XF Series Dripline - Astral Pool

XF Series Dripline
Design and Installation Guide

Table of Contents
Table of Contents
Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
About Rain Bird...............................................................1
Step 1: Preparation for Design.................................................2
Step 2: Determine the dripline specification. ..................................3
Step 3: Determine the type of dripline layout, and lateral (row) spacing ........4
Grid...................................................................4
Lite .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Lateral (Row) Spacing. ................................................6
Step 4: Consider Maximum Lateral Run Lengths................................6
Using Table 2 to Find Maximum Lateral Run Length.....................7
Other Common Grid Layouts. .........................................8
Step 5: Calculating Zone Water Requirements and Application Rates. ........ 10
Zone Water Requirements .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Application Rates.................................................... 10
Step 6: Specifying Products in the Zone...................................... 11
Control Zones.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
XF Series Dripline.................................................... 14
XF-CHK Series Dripline............................................... 16
Fittings. ............................................................ 18
Tie-Down Stakes. ................................................... 19
Air / Vacuum Relief Valves............................................ 19
Manual Line Flushing Valve.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
System Check Out & Test.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Preventative Maintenance. ................................................. 21
Flushing. ........................................................... 21
Winterizing. ........................................................ 21
XF Series Dripline Design Guide

Introduction
Introduction
A low volume irrigation system typically applies water slowly, at low pressure, at or near the root zones of the plant
material. Whether referred to as drip, micro-irrigation, or low volume, these systems feature emission devices that
apply water in gallons per hour (GPH) as opposed to the gallons per minute (GPM) of a conventional overhead
spray irrigation system.
Low-volume irrigation can greatly reduce or eliminate water waste while promoting healthier plant growth because
you can:
• Match the water application to the specific need of the plant.
• More closely match the application rate to the soil’s infiltration rate.
• Apply water directly to the root zone to reduce overspray and evaporation.
Low volume systems also reduce or eliminate runoff on walks and paved areas, and overspray onto windows, pavement,
and walls. The Rain Bird ® Xerigation line of drip products offer a full range of water-savings choices for nonturfgrass
landscape applications, including control zone components, dripline, distribution components, emission
devices and tools.
Dripline is a preferred method in many low volume irrigation applications. Rain Bird’s XF Series Dripline has inline
emitters that provide pressure compensation for precise control of irrigation. XF Series dripline is made with
advanced polymers that provide kink resistance and reduced coil memory for easier installation. With emitter flow
rates of 0.6 and 0.9 GPH and emitter spacing at 12”, 18”, and 24”, the XF Series provides a full product line to meet
the needs of any application.
For complete performance and technical specifications, please see Rain Bird’s Landscape Irrigation Products Catalog
or visit Rain Bird’s website at www.rainbird.com/drip. The website provides specifications and detail drawings in
downloadable files.
This guide covers the basics of design, installation, and maintenance of Rain Bird’s XF Series Dripline. Included are
design steps, technical data, installation layouts, and design details to assist in the design of the more common
dripline applications.
About Rain Bird
A privately held company founded in 1933, Rain Bird Corporation is the leading manufacturer and provider of irrigation
products and services. Since its beginnings, Rain Bird has offered the industry’s broadest range of irrigation
products for farms, golf courses, nurserys, sports arenas, commercial developments and homes in more than 130
countries around the world. With the broadest product line in the industry, architects, designers, and contractors
recognize Rain Bird as the industry leader in irrigation solutions.
Rain Bird is committed to The Intelligent Use of Water. It is our legacy to design and manufacture only those
products of the highest value, quality, and efficient application of water. We work for long-term, responsible partnerships
with our customers and our suppliers. This is who we are, and this is how we wish to be perceived in the
irrigation industry and our communities.
XF Series Dripline Design Guide 1

Step 1: Preparation for Design
XF Series Dripline is excellent for irrigating dense planting and flower beds, shrubs, trees, and ground cover.
The slow and even flowing dripline provides a natural release of water to the plant life without runoff or overspray.
When designed correctly, a dripline system combines an effective way to irrigate plants by providing water directly
to the root zone while providing the most efficient use of water.
Rain Bird offers two types of XF Series Dripline; XF and XF-CHK. Both types feature Rain Bird’s exclusive advanced
polymer tubing that provides the most flexible and kink resistant dripline available. Both driplines also feature
pressure compensation, resistance to chemicals, UV damage, and algae growth, and can be used with 17mm insert
fittings. XF-CHK Dripline has the added feature of a check valve that can hold back up to 14 feet of head. XF-CHK’s
hold back leads the industry and makes it the perfect solution for terrain with elevation changes such as slopes.
Step 1 Preparation for Design
●
Designing a dripline system follows many of the same rules as a spray and rotor system. Point of water source connection,
static and operating pressures, flow rates, and plant material to be irrigated are usually similar.
A dripline system when properly designed will deliver full irrigation coverage to the planted area. A dripline system
is normally divided into zones. A typical zone contains a water source, a control zone (valve, filter, and pressure
regulator), and the dripline with connection fittings.
During the preparation for design you will gather essential information to design the dripline system.
• Obtain or draw a scaled plan of the site to be irrigated.
• Identify all of the slopes on the plan.
• Determine the types of plants to be irrigated (groundcover, shrubs, plants, and trees)
• Identify the type of soil (sand, loam, or clay)
• Identify the type of water from the water source (potable, non potable, well, pump, etc.)
• Identify static and operating pressures, and volume available from the water source.
2
XF Series Dripline Design Guide

Step 2: Determine the dripline specification
Step 2 Determine the dripline specification
●
The objective of a well designed dripline system is to create an even wetting pattern of water in the soil throughout
the planting zone. There are four factors to consider for planting areas to create an even wetting pattern:
• Soil types (Clay, Loam, Sand)
• Dripline emitter flow rate (.6 GPH or .9 GPH)
• Dripline emitter spacing (12”, 18”, or 24”)
• Lateral (row) spacing of the dripline
To determine the specification for the emitter flow rate and emitter spacing for the XF Series dripline (also can be
used for LD dripline) go to Table 1 under Shrub and Ground Cover. Follow the column under the proper soil type for
your application to find the emitter flow and emitter spacing. For example, if you have loam soil you would choose
XF Series dripline with 0.9 GPH emitter flow and with 18" emitter spacing (each emitter will deliver 0.9 GPH and the
emitters mounted inside the tubing are spaced 18" apart).
Table 1 also provides a range for the lateral spacing of the dripline. For the example, loam soil recommends a lateral
spacing of 18” – 24”. Lateral spacing will be discussed in Step 3 where it will show how to calculate a more precise
spacing.
Table 1: XF Series Dripline Row Spacing recommendation tables
Shrub and Ground Cover
Clay Soil Loam Soil Sandy Soil
Emitter Flow 0.6 gph 0.9 gph 0.9 gph
Emitter Spacing 24" 18" 12"
XF Series Dripline Lateral Spacing 18" - 24" 18" - 24" 12" - 20"
If you are not quite sure on the soil type, here is a test you can use by squeezing the soil in your hand:
Clay – When dry it forms hard clumps. When damp it is flexible and can be molded into shapes.
Loam – A moderate sand or dirt and very little clay. When dry it breaks easily. When wet it forms a lump.
Sand – Soil particles are loose, sandy grains. When dry it will fall apart when you open your hand. When damp it will
form a lump but it will crumble easily when touched.
Soil Preparation
Dripline relies on the soil to spread an even wetting pattern of water throughout the planting area. Preparation of
the soil is important to achieve an even wetting pattern. The more homogeneous the soil in the planting area, the
more uniform the water distribution. It is recommended that compacted soil be tilled to an 8” to 12” (20 – 30 cm)
depth and then irrigate to field capacity prior to planting.
XF Series Dripline Design Guide 3

Step 3: Determine the type of dripline layout, and lateral (row) spacing
Step 3 Determine the type of dripline layout, and lateral (row) spacing
●
There are two types of layouts that are recommended; Grid and Lite. Both will provide appropriate irrigation, but
the Grid layout has some benefits over the Lite layout.
Grid
The grid layout is primarily used for dense plantings. The layout uses supply and exhaust headers with rows of
dripline connected at each end. The supply and exhaust header forms a continuous loop where all rows of dripline
are being supplied from both ends.
XF Series Grid Layout with End Feed
Control Zone
in Valve Box
Inline Emitters
XF Series Dripline
Laterals
Wetted Area
Air Relief Valve
Kit in Valve Box
Lateral lines
Flush Valve
Compression or
Insert Fittings
Lateral spacing
Dripline Lateral Run Length
From Water Source
Design Considerations:
PVC, polyethylene
tubing, or dripline
header
• Headers should be spaced 2” – 4” from hardscapes or other planting zones.
• Headers may be PVC, polyethylene tubing, or dripline.
• Lateral spacing is a design consideration and can be calculated as shown on page 6 in Example 1: How to
Calculate Equal Lateral (Row) Spacing.
• The lateral run length should not exceed the maximum lateral length shown in Table 2 on page 10.
• Installations using dripline without a check valve should use an air/vacuum relief valve at a high point in the
system to avoid back siphoning material into the emitters.
• Manual flush should be installed at a low point in the exhaust header.
Benefits of the Grid layout
• A better distribution of flow ensures water is being delivered downstream of any break in the laterals. Also,
repair of line breaks are easier.
• A better solution for larger planting zones.
4
XF Series Dripline Design Guide

Step 3: Determine the type of dripline layout, and lateral (row) spacing
Lite
The Lite layout is one continuous loop that weaves back and forth throughout the zone in evenly spaced laterals
(rows).
XF Series Lite Layout with End Feed
Air Relief Valve
Kit in Valve Box
Flush Valve
Inline Emitters
Control Zone
in Valve Box
Wetted
Area
Lateral spacing
XF Series Dripline
From Water Source
Insert or
Compression
Fitting
Design Considerations:
• Space the tubing 2” – 4” from hardscapes and other planting zones.
• Lateral spacing is a design consideration and can be calculated as shown on page 6 in Example 1: How to
Calculate Equal Lateral (Row) Spacing.
• Because water is split into two separate paths that meet in the middle, the total continuous loop length of
dripline should not exceed the twice the maximum lateral run length, which will be considered in Step 4.
• Installations using dripline without a check valve should use an air/vacuum relief valve at a high point in the
system to avoid back siphoning material into the emitters.
• Manual flush should be installed at the mid point of the Lite layout.
Benefits of the Lite layout
• The fastest and easiest method with no supply or exhaust headers.
XF Series Dripline Design Guide 5

Step 3: Determine the type of dripline layout, and lateral (row) spacing
Lateral (Row) Spacing
A range of lateral row spacing (Ex. 18” – 24”, loam soil) was provided in Table 1. But to calculate equal lateral row
spacing for the design application, you need to know the width of the application and then use the calculation as
shown in Example 1.
Example 1: How to Calculate Equal Lateral (Row) Spacing
• Application width = 8’ (this would normally
come from your scaled plan gathered in
Step 1).
• Convert into inches: 8’ x 12” = 96”
• It is recommended to space dripline 2” from
hardscapes and 4” from separate planting
zones. In this example there are hardscapes
on each side of the planting zone. Remove
the hardscape spacing on each side from
the total width: 96” – 4” = 92”
• From the previous example, the range of
lateral row spacing from Table 1 is
18” – 24”. Use the low end of the range (in
this case 18”) and calculate the number
of spaces between rows: 92” ÷ 18” = 5.1.
Round to get whole spaces. Round up if the
decimal is 0.5 or higher, round down if it is
less than 0.5. In this case you should round
down to 5 whole spaces between rows.
• Calculate the equal lateral row spacing:
92” ÷ 5 = 18.4”
• Calculate the number of dripline rows by
adding 1 to the number of spaces between
rows: 5 + 1 = 6 dripline rows.
18.4”
Application Width
8 feet
96 inches
18.4” 18.4”
18.4” 18.4”
XF Series Dripline
2”
from
hardscape
Step 4 Consider Maximum Lateral Run Lengths
●
The maximum lateral run length is an important design consideration in a dripline system. The maximum lateral
run length increases with higher inlet pressures to the dripline. For a given inlet pressure, the maximum lateral
run length is the longest length of dripline that the manufacturer has determined will provide the rated emitter
flow rate. It takes into account pressure losses for the flow rate from emitters in the lateral run and the friction loss
through the tubing. Lengths of lateral runs above this maximum length will cause some emitters at the end of the
runs to have lower flow rates. This may cause plants to receive less than the appropriate watering requirements.
Therefore it is important that the longest lateral run in the dripline design not exceed the maximum lateral run
length for the given inlet pressure of the system.
The maximum lateral run length may also be important when you have longer planting zones like medians, where
you can reduce the number of zones by using longer laterals. The center feed grid system on page 11 is a good
layout for these applications.
6
XF Series Dripline Design Guide

Step 4: Consider Maximum Lateral Run Lengths
The maximum lateral run length is determined by the inlet pressure to the dripline, the number of emitters in the
run, the emitter flow rate, and the lowest pressure that the emitter performs without reducing its rated flow. This can
be a somewhat complicated calculation, but it has been made simple with the information provided in Table 2.
Using Table 2 to Find Maximum Lateral Run Length
You need to know the operating pressure from Step 1 and the dripline specification from Step 2 to determine the
maximum lateral run length. First, take the operating pressure from Step 1 and use the operating pressure or 45
psi, which ever is lower. Now go to Table 2 and using that pressure and the emitter spacing and emitter flow rate
from your Step 2 dripline specification, find the maximum lateral run length. The pressure is found on the left side
column of the table, the emitter spacing is in the row across the top of the table, and the emitter flow rate is in the
row on the bottom of the table. For your application, find where these three intersect to determine the maximum
lateral run length. For example, an inlet pressure of 40 psi using XF Series dripline with 0.9 GPH emitter flow rate and
18” emitter spacing yields a maximum lateral run length of 428 feet.
Table 2: XF Series Dripline (both XF and XF-CHK) - Maximum Length of a Single Lateral (feet)
XF Series Dripline - Maximum Length of a Single Lateral (feet)
XF Series Emitter Spacing
Inlet Pressure (psi)
12" 18" 24"
15 255’ 194’ 357’ 273’ 448’ 343’
20 291’ 220’ 408’ 313’ 514’ 394’
25 325’ 249’ 458’ 351’ 577’ 443’
30 350’ 266’ 494’ 378’ 622’ 478’
35 371’ 285’ 525’ 402’ 661’ 508’
40 396’ 302’ 560’ 428’ 705’ 541’
45 415’ 318’ 587’ 449’ 739’ 567’
50 434’ 333’ 614’ 470’ 775’ 594’
55 451’ 346’ 639’ 488’ 807’ 619’
Emitter Flow Rate (GPH) 0.6 0.9 0.6 0.9 0.6 0.9
XF Series Dripline - Maximum Length of a Single Lateral (meters)
XF Series Emitter Spacing
Inlet Pressure (bar)
30.5 cm 45.7 cm 61.0 cm
1.0 78m 59m 109m 83m 137m 105m
1.4 89m 67m 124m 95m 157m 120m
1.7 99m 76m 140m 107m 176m 135m
2.1 107m 81m 151m 115m 190m 146m
2.4 113m 87m 160m 123m 201m 155m
2.8 121m 92m 171m 131m 215m 165m
3.1 126m 97m 179m 137m 225m 173m
3.4 132m 101m 187m 143m 236m 181m
3.8 137m 105m 195m 149m 246m 189m
Emitter Flow Rate (LPH) 2.3 3.5 2.3 3.5 2.3 3.5
Occasionally, plants within the XF Series Dripline watering grid will require supplemental irrigation. Supplemental
connections are normally done with a self piercing barb connector into the dripline with ¼” tubing feeding a Xeri-
Bug or PC Module emitter that irrigates the plant. If you have supplemental connections, the rule of thumb is to
reduce 2 feet from the maximum lateral run for every 1 GPH of flow to the supplemental emitters.
XF Series Dripline Design Guide 7

Other Common Grid Layouts
Other Common Grid Layouts
Manual Line Flushing
Center Feed Layout
• Where layout flexibility exists, it is recommended
that Center Feed layouts be used.
This allows for the most even flow of water
through the zone.
• Center Feed layouts also potentially allow
you to increase the size of the zone by
providing lateral runs on both sides of the
header.
• Center Feed layouts are an excellent
option for median strips, road sides, and
other homogenous planting zones.
PVC or Poly
Exhaust Header
Insert or
Compression Fittings
Control Zone
PVC or Poly
Supply Header
Area Perimeter
Air Relief Valve
Perimeter Laterals
2” to 4” from edge
Manual Line Flushing
Branching Out or Joining Row Layouts
• When branching out from a supply header with XF Series dripline, maximum lateral run length should be
considered. Add up all the “branched out” dripline and check it against the maximum lateral run length listed
in Table 2.
• When joining lateral rows from a supply header, check only the longest lateral against the maximum lateral
run length listed in Table 2.
Supply Supply Header Header
Supply Supply Header Header
Branching Out
with XF Series
Laterals
Joining Rows
with XF Series
Laterals
Total Total the the combined
length length of these of these XF Series XF Series
Dripline Dripline laterals laterals and and
compare compare it against it against the the
maximum lateral lateral length length
allowed allowed in Table in Table 2. 2.
Check Check longest longest lateral lateral
against against Table Table 2 for 2 for
maximum lateral lateral
length. length.
Exhaust Exhaust Header Header
Exhaust Exhaust Header Header
8
XF Series Dripline Design Guide

Other Common Grid Layouts
Elevation Changes - Slope Layout
The design of the dripline system should account
for the slopes, berms, banks, or depressions on the
site since runoff may occur with slopes of 3% or
greater. XF–CHK Series dripline is recommended
for slope layouts as it provides a check valve that
will hold back water keeping the lines full when the
system is turned off. As you go up a slope, water
exerts 0.43 psi pressure on the lowest lateral run for
every 1 foot of elevation change. The XF–CHK has a
check valve with the highest hold back pressure in
the industry, able to handle a 14 foot vertical elevation
change. This assures that after the system
shuts down, the emitters will not continue to drain
leading to puddling and runoff.
• Dripline laterals should run perpendicular to
the slope whenever possible.
Top of Slope
Top Separated from Toe
Top 2/3
Normal
Spacing
Toe of Slope
Bottom 1/3
spacing
plus 25%
• Lateral row spacing should be normal spacing
(as per the calculation in Step 3, page 9)
within the top two-thirds of the slope.
• Lateral row spacing should be 25% greater
within the bottom one-third of the slope.
• For more than 14 feet of elevation change,
either split the slope into separate zones or
install an inline check valve in the supply and
exhaust header.
Trees – Double Loop layout
When watering trees it is important that the tree
rootball receives adequate water, while allowing
for the tree’s needs as it grows. When trees
are transplanted, the soil in the rootball and the
native soil where it is being planted are usually
different. Therefore the dripline layout needs
to ensure that both soils are being irrigated because
water will not migrate across soil types.
• A double loop layout is recommended for
trees. The first loop should be close to the
rootball, while the second outside loop
should be in line with the tree’s canopy
when it has matured.
Insert Cross
Insert Tee
XF Series Dripline Design Guide 9

Step 5: Calculating Zone Water Requirements and Application Rates
Step 5 Calculating Zone Water Requirements and Application Rates
●
Zone Water Requirements
After the dripline layout design is complete, you will need to identify total zone flow. This is used to help determine
mainline, supply and exhaust header, and control zone (valve, filter, & regulator) selection.
• Calculating zone water requirements can be done by adding up the total dripline line in the zone. Convert
the total dripline to hundreds of feet (650 feet would be 6.5 in hundreds of feet).
• Multiply total dripline in hundreds of feet by the flow per 100 feet for your specified dripline. This can be
found in Table 3. To read the table, select the emitter flow rate in the row across the top (0.6 GPH or 0.9 GPH)
and then select the emitter spacing in the left column (12”, 18”, or 24”). Follow emitter flow rate down and
emitter spacing across to find the flow per 100 feet for the XF Series dripline specified.
• For example, for a zone that has 650 feet of 0.9 GPH emitters and 18” emitter spacing, the calculation would
be 6.50 x 1.02 gpm = 6.6 gpm for the zone.
• Supply lines and headers should be sized to provide the flow to the zone without exceeding 5 feet per second
velocity. This can be done using the zone water requirement and referencing information on the appropriate
piping located at www.rainbird.com/reference or in the back reference section in the Rain Bird catalog.
Table 3 - XF Series Dripline Flow (per 100 feet)
Emitter Spacing 0.6 GPH Emitter 0.9 GPH Emitter
12" 61.0 GPH 1.02 GPM 92.0 GPH 1.53 GPM
18" 41.0 GPH 0.68 GPM 61.0 GPH 1.02 GPM
24" 31.0 GPH 0.51 GPM 46.0 GPH 0.77 GPM
Application Rates
The application rate is the rate that the XF Series Dripline applies water to the soil. This is used to determine run
times for the zone based on the plants watering requirements. Table 4 is provided to make it easy to determine application
rates for every model of XF Series Dripline (also LD Dripline) when using common row spacing (12” – 24”).
The table is divided into two sections, a 0.6 GPH emitter flow section and a 0.9 GPH emitter flow section. Go to the
section for the specified emitter flow rate and find in the left hand column the specified emitter spacing. Now find
the lateral row spacing across the top of the table. Follow the lateral row spacing column down and the emitter
spacing row across until the two meet. This is the application rate in inches per hour. For example, a 0.6 GPH emitter
flow rate with 18” emitter spacing and 18” lateral row spacing has an application rate of 0.43 inches per hour.
Table 4 - XF Series Dripline Application Rate (inches per hour)
Lateral Row Spacing
Emitter Spacing 12" 13" 14" 15" 16" 17" 18" 19" 20" 22" 24"
0.6 GPH Emitter Flow (in inches per hour)
12" 0.96 0.89 0.83 0.77 0.72 0.68 0.64 0.61 0.58 0.53 0.48
18" 0.64 0.59 0.55 0.51 0.48 0.45 0.43 0.4 0.39 0.35 0.32
24" 0.48 0.44 0.41 0.39 0.36 0.34 0.32 0.3 0.29 0.26 0.24
0.9 GPH Emitter Flow (in inches per hour)
12" 1.44 1.33 1.24 1.16 1.08 1.02 0.96 0.91 0.87 0.79 0.72
18" 0.96 0.89 0.83 0.77 0.72 0.68 0.64 0.61 0.58 0.53 0.48
24" 0.72 0.67 0.62 0.58 0.54 0.51 0.48 0.46 0.43 0.39 0.36
10
XF Series Dripline Design Guide

Step 6: Specifying Products in the Zone
For designs that are not in Table 4, use the following calculation.
Application Rate (inches per hour)
231.1 x Emitter Flow Rate (GPH)
Dripline Lateral Row Spacing (inches) x Emitter Spacing (inches)
Example:
Emitter Flow Rate = 0.9 GPH
Emitter Spacing = 18”
Dripline Lateral Row Spacing = 18.4”
Calculation:
231.1 x 0.9 GPH
18.4 inches x 18 inches
= 0.63 inches per hour
Step 6 Specifying Products in the Zone
●
After completing the dripline layout design, you’ll need to determine the other remaining products that will be in
the zone. The products that make up a dripline line zone are normally the control zone (an assembled unit that
provides a valve, filter, and regulator), fittings that connect the dripline, and flush and air relief valves that allow for
flushing water or bleeding off trapped air.
Control Zones
A control zone provides the proper water flow to a zone, filtration to assure contaminents are removed that can
plug emitters, and pressure regulation for optimum performance of the dripline system. With the broadest product
line in the industry and easy installation and maintenance that will save time, Rain Bird control zones are the choice
for any project. Features and benefits include:
• Durable and reliable low, medium, and high flow valves. Rain Bird's low flow valve leads the industry handling
flows down to 0.2 gpm without weeping. See video at www.rainbird.com/lowflow.
• 200 mesh high capacity stainless steel filters that will catch grit and debris that could clog emitters causing a
reduction in water flow that could damage plants.
• Filters that are simple to remove from the body and are easily cleaned under a faucet or in a pail of
clean water.
• Back flush self cleaning filters that purge the debris from the filter during the start up of the system (Model
number ends with a BF).
• Commercial high capacity filter that has a maintenance indicator that tells you when it needs cleaning.
• Pressure regulators that reduce operating pressure to 30 psi or 40 psi.
• Compact size with the filter and regulator combined in the same housing to reduce parts and potential leaking
problems. Compact size makes the control zone easier to install and it can allow for fitting more control
zones in a valve box.
XF Series Dripline Design Guide 11

Control Zones
The Control Zone Pyramid (shown below) provides an easy to use selection guide for identifying the proper control
zone for your application.
• Category 1 - Residential/Light Commercial Low Flow: 0.2 – 5 gpm, 30 psi pressure regulation
• Category 2 - Residential/Light Commercial Medium Flow: 3 – 15 gpm, 40 psi pressure regulation
• Category 3 - Commercial Medium Plus: 3 – 20 gpm, 40 psi pressure regulation
• Category 4 - Commercial High Flows: 15 – 40 gpm, 40 psi pressure regulation
Control Zone Pyramid
CATEGORY 4
XCZ-150-COM
Commerical High Flow: 15–40 gpm
CATEGORY 3
XCZ-100-B-COM
Commercial Medium Plus: 3–20 gpm
CATEGORY 2
XCZ-100-PRF XCZ-100-PRF-BF XACZ-100-PRF XACZ-100-PRF-BF
Residential/Light Commercial Medium Flow: 3–15 gpm
CATEGORY 1
XCZ-075-PRF XCZ-075-PRF-BF XCZ-LF-100-PRF XACZ-075-PRF XACZ-075-PRF-BF
Residential/Light Commercial Low Flow: 0.2–5 gpm
12
XF Series Dripline Design Guide

Control Zones
When selecting a control zone for your design, start by considering both the pressure needed for the longest lateral
run in your layout and the zone water requirements.
• Take the longest lateral run in your design and go to Table 2 on page 10. Using the specified dripline, find
the emitter spacing (12”, 18”, and 24”) shown in the top row and the emitter flow rate (0.6 or 0.9) shown in the
bottom row to narrow the selection to one column. Within the column, find the length that is just greater
than your longest lateral run. At this length, follow the row across to the left to find the inlet pressure. This
is the minimum inlet pressure to support the flow performance for the longest lateral run. For example, if
your longest lateral run is 280’ for a specified dripline using 0.9 GPH emitters and 12” spacing, the minimum
inlet pressure would be 35 psi. Therefore the regulated pressure supplied through the control zone should
provide 35 psi or greater pressure.
• Take the pressure that you just found in Table 2 ( 35 psi for the example) and the zone water requirements
from your Step 5 calculation (6.6 gpm for the example), and refer to the control zone information on page
12 to select the appropriate control zone. Identify the category of control zones that will meet your pressure
regulation and flow requirements for the design. For the example, 35 psi pressure and 6.6 gpm flow would
narrow the selection to category 2 and 3. Both category 2 and 3 show control zones that have 40 psi regulators
and flow rates up to 15 gpm and 20 gpm respectively.
• Now that you have identified the control zones that will provide the pressure and flow rate performance
needed in your design, you can now evaluate the different features of the control zones in the category to
select the right control zone for your application.
• The Commercial Control Zones have a large capacity filter with a maintenance indicator that changes from
green to red when it requires cleaning.
• Control Zones whose model number ends with BF have back flush self cleaning filters that purge the debris
from the filter every watering cycle.
• Control Zones whose model number start with XACZ have low flow anti-siphon valves that have an atmospheric
vacuum breaker for backflow prevention.
• It is recommended that for low flows less than 3 gpm, control zones using Rain Bird’s low flow valve in category
1 be used. This low flow valve is designed to eliminate weeping at low flow rates. View a video on this
valve at www.rainbird.com/lowflow.
Filters are an integral component in a dripline system. Dripline systems should not be designed without proper
filtration. Filtration is required to eliminate contaminants in the water that could plug the small drip outlets on the
emitters. All Rain Bird control zones come with a 200 mesh stainless steel filter, more than adequate to handle filtration
requirement of the XF Series dripline.
For more information on Rain Bird control zones, consult the website at www.rainbird.com/drip/products/control.
You can point and click on a control zone in the pyramid for detailed information. Otherwise refer to a Rain Bird
product catalog.
XF Series Dripline Design Guide 13

XF Series Dripline
XF Series Dripline
Made with advanced polymers, the XF Series dripline is the most flexible dripline available. The XF Series provides
kink resistance and reduced coil memory making installations easier and faster. With easier installations that save
you time along with superior performance with no kinking problems, XF Series is the choice for all dripline projects.
Applications:
• Surface installations
• Planting & flower beds, trees, and shrubs
• Narrow, curved, and tight areas.
• All irrigation surfaces except slopes
Specifications:
• Pressure Range: 8.5 to 60 psi (0.7 to 4.1 bar)
• Flow Rates: 0.6 and 0.9 gph (2.3 l/h and 3.5 l/h)
• Emitter Spacing: 12”, 18”, or 24”
• Required Filtration: 120 mesh
• Dual-layered tubing (brown over black) provides
unmatched resistance to chemicals, UV damage,
and algae growth.
• Use with 17 mm insert fittings or Easy Fit compression
fittings
XF Series Dripline
XF Series Dripline Offers Improved
Flexibility for Kink Resistance and
Easy Installation
Dimensions:
• OD: 0.634” (16.1 mm)
• ID: 0.536” (13.6 mm)
• Wall Thickness: 0.049” (1.2 mm)
How To Specify
XFD - 09 - 12 - 100
Model
XF
Dripline
Length of Tubing
100 = 100’ (30.5 m)
250 = 250’ (76.2 m)
500 = 500’ (152.4 m)
Emitter Spacing
12 = 12” (30.5 cm)
18 = 18” (45.7 cm)
24 = 24” (61.0 cm)
Flow Rate
06 = .61 gph (2.3 l/h)
09 = .92 gph (3.5 l/h)
14
XF Series Dripline Design Guide

XF Series Dripline
XF Series Dripline Models
XF Series Dripline Models
METRIC
Model Flow
gph
Spacing
in.
Coil Length
ft.
XFD-06-12-100 0.60 12 100
XFD-06-12-250 0.60 12 250
XFD-06-12-500 0.60 12 500
XFD-06-18-100 0.60 18 100
XFD-06-18-250 0.60 18 250
XFD-06-18-500 0.60 18 500
XFD-06-24-100 0.60 24 100
XFD-06-24-250 0.60 24 250
XFD-06-24-500 0.60 24 500
XFD-09-12-100 0.90 12 100
XFD-09-12-250 0.90 12 250
XFD-09-12-500 0.90 12 500
XFD-09-18-100 0.90 18 100
XFD-09-18-250 0.90 18 250
XFD-09-18-500 0.90 18 500
XFD-09-24-100 0.90 24 100
XFD-09-24-250 0.90 24 250
XFD-09-24-500 0.90 24 500
Model Flow
l/h
Spacing
cm
Coil Length
m
XFD-06-12-100 2.30 30.5 30.5
XFD-06-12-250 2.30 30.5 76.5
XFD-06-12-500 2.30 30.5 152.9
XFD-06-18-100 2.30 45.7 30.5
XFD-06-18-250 2.30 45.7 76.5
XFD-06-18-500 2.30 45.7 152.9
XFD-06-24-100 2.30 61.0 30.5
XFD-06-24-250 2.30 61.0 76.5
XFD-06-24-500 2.30 61.0 152.9
XFD-09-12-100 3.50 30.5 30.5
XFD-09-12-250 3.50 30.5 76.5
XFD-09-12-500 3.50 30.5 152.9
XFD-09-18-100 3.50 45.7 30.5
XFD-09-18-250 3.50 45.7 76.5
XFD-09-18-500 3.50 45.7 152.9
XFD-09-24-100 3.50 61.0 30.5
XFD-09-24-250 3.50 61.0 76.5
XFD-09-24-500 3.50 61.0 152.9
XF Series Dripline Maximum Lateral Lengths (Feet)
Inlet Pressure Maximum Lateral Length (feet)
psi 12” Spacing 18” Spacing 24” Spacing
Nominal Flow (gph): Nominal Flow (gph): Nominal Flow (gph):
.6 .9 .6 .9 .6 .9
15 255 194 357 273 448 343
20 291 220 408 313 514 394
25 325 249 458 351 577 443
30 350 266 494 378 622 478
35 371 285 525 402 661 508
40 396 302 560 428 705 541
45 415 318 587 449 739 567
50 434 333 614 470 775 594
55 451 346 639 488 807 619
XF Series Dripline Maximum Lateral Lengths (Meters)
METRIC
Inlet Pressure Maximum Lateral Length (Meters)
bar 30.5 cm 45.7 cm 61.0 cm
Nominal Flow (l/h): Nominal Flow (l/h): Nominal Flow (l/h):
2.3 3.5 2.3 3.5 2.3 3.5
1.0 78 59 109 83 137 105
1.4 89 67 124 95 157 120
1.7 99 76 140 107 176 135
2.1 107 81 151 115 190 146
2.4 113 87 160 123 201 155
2.8 121 92 171 131 215 165
3.1 126 97 179 137 225 173
3.4 132 101 187 143 236 181
3.8 137 105 194 148 245 188
XF Series Dripline Design Guide 15

XF-CHK Series Dripline
XF-CHK Series Dripline
The XF-CHK Series dripline has the same great features as XF Series dripline, plus the added feature of a check valve.
XF-CHK is recommended for use on slopes, banks, depressions, or other areas with an elevation change. The check
valve holds back water keeping the dripline filled after the system is turned off. XF-CHK Series dripline has an industry
leading hold back pressure of 6 psi, which will handle a 14’ elevation change without leaking. This avoids runoff
and puddling of water at the bottom of slopes.
Applications:
• Surface installations
• Planting & flower beds, trees, and shrubs
• Narrow, curved, and tight areas.
• All irrigation surfaces including slopes
Specifications:
• Pressure Range: 8.5 to 60 psi (0.7 to 4.1 bar)
• Flow Rates: 0.6 and 0.9 gph (2.3 l/h and 3.5 l/h)
• Emitter Spacing: 12”, 18”, or 24”
• Required Filtration: 120 mesh
• Dual-layered tubing (brown over black) provides
unmatched resistance to chemicals, UV damage,
and algae growth.
• Use with 17 mm insert fittings or Easy Fit compression
fittings
XF-CHK Series Dripline
XF-CHK Series Dripline Offers
Improved Flexibility for Kink
Resistance and Easy Installation
Dimensions:
• OD: 0.634” (16.1 mm)
• ID: 0.536” (13.6 mm)
• Wall Thickness: 0.049” (1.2 mm)
How To Specify
XFCHK - 09 - 12 - 100
Model
XF
Dripline
Length of Tubing
100 = 100’ (30.5 m)
250 = 250’ (76.2 m)
500 = 500’ (152.4 m)
Emitter Spacing
12 = 12” (30.5 cm)
18 = 18” (45.7 cm)
24 = 24” (61.0 cm)
Flow Rate
06 = .61 gph (2.3 l/h)
09 = .92 gph (3.5 l/h)
16
XF Series Dripline Design Guide

XF-CHK Series Dripline
XF-CHK Series Dripline Models
XF-CHK Series Dripline Models
METRIC
Model Flow
gph
Spacing
in.
Coil Length
ft.
XFCHK-06-12-100 0.60 12 100
XFCHK-06-12-250 0.60 12 250
XFCHK-06-12-500 0.60 12 500
XFCHK-06-18-100 0.60 18 100
XFCHK-06-18-250 0.60 18 250
XFCHK-06-18-500 0.60 18 500
XFCHK-06-24-100 0.60 24 100
XFCHK-06-24-250 0.60 24 250
XFCHK-06-24-500 0.60 24 500
XFCHK-09-12-100 0.90 12 100
XFCHK-09-12-250 0.90 12 250
XFCHK-09-12-500 0.90 12 500
XFCHK-09-18-100 0.90 18 100
XFCHK-09-18-250 0.90 18 250
XFCHK-09-18-500 0.90 18 500
XFCHK-09-24-100 0.90 24 100
XFCHK-09-24-250 0.90 24 250
XFCHK-09-24-500 0.90 24 500
Model Flow
l/h
Spacing
cm
Coil Length
m
XFCHK-06-12-100 2.30 30.5 30.5
XFCHK-06-12-250 2.30 30.5 76.5
XFCHK-06-12-500 2.30 30.5 152.9
XFCHK-06-18-100 2.30 45.7 30.5
XFCHK-06-18-250 2.30 45.7 76.5
XFCHK-06-18-500 2.30 45.7 152.9
XFCHK-06-24-100 2.30 61.0 30.5
XFCHK-06-24-250 2.30 61.0 76.5
XFCHK-06-24-500 2.30 61.0 152.9
XFCHK-09-12-100 3.50 30.5 30.5
XFCHK-09-12-250 3.50 30.5 76.5
XFCHK-09-12-500 3.50 30.5 152.9
XFCHK-09-18-100 3.50 45.7 30.5
XFCHK-09-18-250 3.50 45.7 76.5
XFCHK-09-18-500 3.50 45.7 152.9
XFCHK-09-24-100 3.50 61.0 30.5
XFCHK-09-24-250 3.50 61.0 76.5
XFCHK-09-24-500 3.50 61.0 152.9
XF-CHK Series Dripline Maximum Lateral Lengths (Feet)
Inlet Pressure Maximum Lateral Length (feet)
psi 12” Spacing 18” Spacing 24” Spacing
Nominal Flow (gph): Nominal Flow (gph): Nominal Flow (gph):
.6 .9 .6 .9 .6 .9
15 255 194 357 273 448 343
20 291 220 408 313 514 394
25 325 249 458 351 577 443
30 350 266 494 378 622 478
35 371 285 525 402 661 508
40 396 302 560 428 705 541
45 415 318 587 449 739 567
50 434 333 614 470 775 594
55 451 346 639 488 807 619
XF-CHK Series Dripline Maximum Lateral Lengths (Meters)
METRIC
Inlet Pressure Maximum Lateral Length (Meters)
bar 30.5 cm 45.7 cm 61.0 cm
Nominal Flow (l/h): Nominal Flow (l/h): Nominal Flow (l/h):
2.3 3.5 2.3 3.5 2.3 3.5
1.0 78 59 109 83 137 105
1.4 89 67 124 95 157 120
1.7 99 76 140 107 176 135
2.1 107 81 151 115 190 146
2.4 113 87 160 123 201 155
2.8 121 92 171 131 215 165
3.1 126 97 179 137 225 173
3.4 132 101 187 143 236 181
3.8 137 105 194 148 245 188
XF Series Dripline Design Guide 17

Fittings
Fittings
The design for a dripline system will use fittings for various connections. If you choose a Grid layout, you may need
a transition fitting from the supply piping to the XF Series Dripline. Within the dripline grid there will be fittings to
connect lateral rows to the header. If you are using a Lite layout, you will also use a transition fitting from the supply
piping, as well as a fitting at the end or midpoint of the zone so that a flush point can be installed.
Rain Bird offers a full line of fittings in two types; 17 mm insert fittings are designed for use with XF Series dripline.
Rain Bird’s Easy Fit compression fittings handle XF Series and other dripline and tubing sizes from 16mm to 18mm OD.
Rain Bird 17 mm insert fittings have a barbed end that is raised and sharp providing a strong connection. This fitting
is rated for operating pressures up to 50 psi without using clamps. If operating pressures exceed 50 psi, a clamp is
recommended. To install, the fittings are pressed into the tubing with no need for special tools. It is important that
you do not heat the polyethylene tube before inserting to make installation easier, as it will weaken the connection
and can damage the tubing. For the full line of insert fittings, refer to our website at www.rainbird.com/drip/fittings
or consult a Rain Bird product catalog.
XFD-TFA-075
XFD-CROSS
XFD-TMA-050
XFD-COUP
XFD-LDL-COUP
XFD-TEE
XFD-FA-075
XFD-MA-050
XFD-MA-075
XFD-ELBOW
XFD-inpvc
Rain Bird patented Easy Fit compression fittings go together with half the force as insert fittings and can be used on
dripline and tubing with diameters from 16 to 18 mm OD. This provides the versatility to eliminate the inventory of
over 160 combinations of connections. The Easy Fit compression fittings provide a stronger connection and can be
used with operating pressures up to 60 psi. For the full line of Easy Fit fittings, refer to our website at www.rainbird.
com/drip/fittings or consult a Rain Bird product catalog.
MDCFCOUP
MDCFTEE
MDCF75FHT
MDCF75FPT
MDCF50MPT
MDCFPCAP
MDCFCAP
MDCFEL
MDCF75MPT
MDCF50FPT
18
XF Series Dripline Design Guide

Tie-Down Stakes, Air / Vacuum Relief Valves
Tie-Down Stakes
XF Series tie-down stakes (TDS-050) are used to hold
dripline in place. Designed with notch sides for better
hold down strength, they are made of long lasting corrosion
resistant 12-gauge galvanized steel. Use stakes
to hold dripline on-surface or under a mulch cover.
For best results, stagger stakes every 3 feet in sand, 4
feet in loam, and 5 feet in clay. At fittings where there
is a change of direction such as tees or elbows, use
tie-down stakes close to the fitting on each leg of the
change of direction.
TDS-050
w/bend
Air / Vacuum Relief Valves
Air/Vacuum Relief Valves are used for two reasons:
• To freely allow air into a zone after shutdown.
This ensures a vacuum doesn’t draw debris into
the dripline.
• To ensure a means of releasing air from the
dripline when the zone is turned on, thus eliminating
air pockets and speeding up dripline
operation.
Install Air/Vacuum Relief Valves correctly by:
• Locating at the highest point(s) of the dripline
zone.
• Install the valve in an exhaust header or a line
that runs perpendicular to the lateral rows to
ensure all rows of the dripline can take advantage
of the air/vacuum relief valve.
Air / Vacuum Relief Valves are not necessary when using
XF-CHK Series dripline. XF-CHK uses a check valve
in the emitter that controls back siphoning debris
into the emitter and holds 6 psi of water to avoid air
pockets from forming.
AR Valve Kit
XF Series Dripline Design Guide 19

Manual Line Flushing Valve, System Check Out & Test
Manual Line Flush Point
A manual flush is used when flushing lines in the
system or when emptying the system when preparing
for winter.
• Install the manual flush at a low point in the
exhaust header of a Grid layout, or at the
midpoint of a Lite layout.
• Install a flush port with a threaded plug or a
manual flushing valve in a valve box with a
gravel sump adequate to drain approximately
one gallon of water.
• Manual flush points are normally installed as
far away from the water source as possible.
FINISH GRADE/TOP OF MULCH
7 INCH VA LVE BOX
RAIN BIRD SEB-7XB
LANDSCAPE DRIPLINE TUBING
RAIN BIRD LANDSCAPE DRIPLINE
XF-XX-XX
FLUSH PLUG
RAIN BIRD MDFCAP
MULTI-DIAMETER COUPLING
RAIN BIRD MDCF-COUP
BRICK (1 OF 2)
3-INCH MINIMUM DEPTH OF
3/4-INCH WASHED GRAVEL
NOTES:
1.
ALLOW A SMALL AMOUNT OF TUBING PLAY INSIDE
THE VA LV E BOX IN ORDER TO DIRECT FLUSHED
WATER OUTSIDE VA LVE BOX
D
LANDSCAPE DRIPLINE FLUSH POINT
N.T.S. POTABLE SYSTEM
7-14-08
System Check Out & Test
It is important that after a zone is installed that it be tested to ensure it is operating properly. Walk along the
dripline to make sure each emitter is functioning and there are no breaks. Test the pressure as far away from the
water source as possible to verify that the rest of the zone is at acceptable pressures. If readings are lower than
they should be, a line break, clogged filter, clogged pressure regulating valve, or reduced line pressure are possible
causes. Checking the flow of each zone with a flow meter can also be a good test to verify water supply.
20
XF Series Dripline Design Guide

Preventative Maintenance
Preventative Maintenance
Inspect and clean filters every 1 - 2 months or as needed based on the site conditions. Walk around the site doing a
visual check for signs of plant stress that may indicate a line break or a clogged emitter.
Flushing
It is recommended that you flush the system 2 times each irrigation season until the water flowing out of the flush
valve is visibly clean. Systems with non potable or hard water sources may need to be flushed more frequently.
Debris or suspended matter in the water could indicate breaks in the lines or a filter failure.
Flushing is also recommended anytime the system has been repaired.
Winterizing
Winterizing an irrigation system involves removing enough water to ensure that components are not damaged
due to freezing weather.
If compressed air is used to blowout the lines:
• XF Series Dripline fittings are rated to 50 psi, so the air pressure must be adjusted to below this pressure. It is
air volume, not pressure that is effective when blowing out lines.
• The pressure regulating valve that is part of the control zone and is installed in the valve box regulates water,
not air pressure.
• With all drain ports open, compressed air should be applied until no water is seen exiting the ports.
• All drain ports should be left open.
If compressed air is not used to blowout the lines:
• A drain port should be installed at all low points in the zone. These ports may be a tee or elbow with a
threaded plug or a manual flush valve.
• If the zone is in a grid or closed loop system, the headers may contain a significant amount of water because
they are either blank XF Series tubing, PVC, or poly pipe. It is important to provide drain ports for these components.
• If the zone has laterals that dead-end and are not connected to an exhaust header, the lateral ends should be
opened to drain at the lowest point(s).
• Follow manufacturer instructions for automatic zone valves.
XF Series Dripline Design Guide 21

The Intelligent Use of Water.
LEADERSHIP • EDUCATION • PARTNERSHIPS • PRODUCTS
At Rain Bird, we believe it is our responsibility to
develop products and technologies that use water
efficiently. Our commitment also extends to
education, training and services for our industry
and our communities.
The need to conserve water has never been greater.
We want to do even more, and with your help, we
can. Visit www.rainbird.com for more information
about The Intelligent Use of Water.
Rain Bird Corporation
6991 E. Southpoint Road
Tucson, AZ 85756
Phone: (520) 741-6100
Fax: (520) 741-6522
Rain Bird Technical Services
(800) RAINBIRD (1-800-724-6247)
(U.S. and Canada)
Rain Bird Corporation
970 West Sierra Madre Avenue
Azusa, CA 91702
Phone: (626) 812-3400
Fax: (626) 812-3411
Specification Hotline
800-458-3005 (U.S. and Canada)
Rain Bird International, Inc.
P.O. Box 37
Glendora, CA 91740-0037
Phone: (626) 963-9311
Fax: (626) 852-7343
www.rainbird.com
® Registered Trademark of Rain Bird Corporation
© 2009 Rain Bird Corporation 1/09
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