Gestra® Float Trap • Liquid Drainer UNA 14P

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Gestra ® Float Trap •
Liquid Drainer
Class Rating: UNA 14p - PN 16 Available Sizes: ½", ¾" and 1"
(DN 15, 20 and 25)
UNA 14P
230
psi
Maximum Δp
(16 bar)
Not intended for use as a steam trap.
UNA 14p: 230 Maximum Δp
Application
UNA 14P (Simplex with Perbunan ball):
Same as the 14/16 except the SST ball is replaced with a
Perbunan (Buna-N) ball for improved air closure.
Temperature and pH limitations apply. Please consult with
your local Flowserve Gestra representative.
Features and Benefits
• Bolted cover for in-line inspection and maintenance.
• Easily field-converted from horizontal (H) to vertical (V) to
reduce inventories.
• Useful for other heat transfer fluids.
• Operation is unaffected by back pressure.
• Rolling ball valve mechanism ensures smooth operation
with no sticking and minimum wear. Internal SST shielding
prevents body damage from outlet flows.
• Hand Vent Valve Option
• Two (2) year guarantee.
Materials
• Body and Cover – Cast Iron A126 Cl B (DIN 0.6025)
• All Other Internals – Stainless Steel
Pressure / Temperature Ratings
With Perbunan valve ball
UNA 14p
[psig] 230
Maximum Service Pressure
[barg] 16
[°F] 104
Related Temperature
[°C] 40
Maximum Differential Pressure 230 psi (16 bar)
With Steel valve ball
UNA 14p
[psig] 230
Maximum Service Pressure
[barg] 16
[°F] 248
Related Temperature
[°C] 120
Maximum Differential Pressure 230 psi (16 bar)
Dimensions and Weights
Nominal Sizes
End Connections [inch] 1/2 3/4 1
[mm] 15 20 25
Flanged L
[inch] 5.9 5.9 6.3
[mm] 150 150 160
Butt-Weld L
[inch] 7.9 7.9 7.9
[mm] 200 200 200
Socketweld L [inch] 3.7 3.7 3.7
Screwed [mm] 95 95 95
Approx. Weight Flanged [lbs] 13 14 15
[kg] 6 6.5 7
S.W., B.W. [lbs] 10 10 3
Screwed [kg] 4.5 4.5 1.5

230
psi
Maximum Δp
(16 bar)
Gestra ® Float Trap •
Liquid Drainer
Class Rating: UNA 14p - PN 16 Available Sizes: ½", ¾" and 1"
(DN 15, 20 and 25)
UNA 14P
Capacity Charts
The charts show the maximum capacities of cold water
based on the orifice of the liquid drainers. The capacities
are a function of differential pressure or the difference
between inlet and outlet pressures for the trap.
Orifice Number
The orifice number listed on the capacity curve refers to
the maximum differential pressure (in bar) for which the
UNA 14p may be used.
Body Pressure/Temperature Rating
The chart shows the maximum shell (body) pressure
and temperature rating. Operating differential pressure is
limited to 230 psi.
Material/Test Certificates
All inspection requirements must be stated at time of order.
Test certificates can be issued on request in accordance
with EN 10204 – 2.2 and -3.1B. Heat codes from body and
cover are required for certifications.
Available End Connections
NPT
Flanged: ANSI 150
How to Order
Specify drainer, initial orientation, end connection size
and orifice. Horizontal (H) provided as standard initial
orientation. Please specify if vertical (V) inital orientation
is desired.
For Example: UNA 14hp A016 1" NPT
Standard Spare Parts
D
G
Item
Number
Description
UNA 14
Control Unit with Perbunan Ball
Orifice 16 560418
Cover
Gasket
522752