F@RREmS - Piston Pumps Home Page

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Engineering
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F9RREAS PTY. LTD.
FORRER PAfiO PTY. LTD.
MANUFAeruft,ras & DrsrRrEuroRs oF puMps FoR EVERv sERvteE
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AUTOMATIC LUBRICATION
DOUBLE ACTING
HIGI"I PRESSURE
EFFICIENT
ECONOMICAL
These are highly efficient pumps
and are ideally suited for pumping
over long distances and against
heads up to 700 feet and over.
They are positive acting with low
horsepower requirement and
operate silently, economically -
and ef f iciently with very little
ma intenance.
Single Cylinder 2-Lx3
Pump with Motor mounts
tt
it
DURABLE
LOW HORSEPOWER
MINIMUM MAINTENANCE
FULI.Y ENCLOSED
GEAR DRIVE
Available in Single and Duplex
cylinders and having capacities
up to 26,500 g.p.m. and pressures
up to 300 p.s.i. Bigger
pumps have large free f lowing
waterways and are especially
suitable for handling viscous
liquids. All pumps can have the
motor or engine mounted on
top. thereby preserving space.
Duplex Cylinder,
6x8 Pump, mount3d with electric motor

FEATURES
GEAR CASE:
The gear box consists of a one-piece casting which forms the base of the pump
and oil reservoir. A cast iron lid encloses all working parts protecting them f rom
dirt or damage, and securing safe operation. The casting is completely machined
at one setting for all bearings, the cross - head, cylinder head, and shaft
bearings, assuring alignment of all working parts.
LUBRICATION :
The pump is.entirely self-lubricating. Th.e. driving gear. carries the oil from the
reservoir and distributes it to every working part of the gear case.
DRIVE :
Centre line drive by machine cut gear and pinion eliminates side thrust.'These
are supported between wide replacable bearings.
GEAR RATIO :
Pumps are back geared 5 to l.
I'IPING:
Suction and delivery piping may be taken from either side of the pump.
ROTATION :
The pulley can be transferred to the opposite side of the pump from that
illustrated. An eccentric cast integral with the main gear operatesthe crosshead
through a connecting rod which is fitted with a replaceabie bronze bush at
the crosshead end.
PISTON ROD :
Made of solid manganese bronze (stainless steel if required) and is fitted with
Water Def lector ai a special guard against leakage fiom a loose packing box.
PISTON :
Comprises selected hydraulic leather cups with brass spacer and backing plates.
PACKING BOX:
Adjustable brass gland type .packing box of adequate depth, f itted with greasy
hemp packing.
CYLINDER BODY :
One piece close grained casting forms the cylinder and valve chambers. This is
fitted with a removable brass liner in which the piston operates.
VALVES :
Rubber Disc type valves with bronze seats, stems and springs are fitted to
standard pumps and are all located above the cylinder. They are easily accessible
for inspection, repair or replacement without disturbing pipe connections.
Special valves can be supplied for specific applications.
AIR CHAMBER :
A cast iron air chamber is f itted as standard equipment on the discharge side of
all pumps. This evens the flow of water through the pipe lines and prevents
shock loads from causing damage to the pump.
MOTOR MOUNTING :
Cast iron slotted side rails can be supplied for mounting electric motor or
petrol engine on top of the pump. This makes a compact unit and saves considerable
space.

FORRERS PTY. LTD. LEAFLET F 9690
POWER PUMP
MODEL 2x2XL
OPERATING HEADS TO 5OOfI.
RELIABLE
ECONOMICAL
-
LOW H.P.
-**;ii
t'l
EFFICIENT
LOW MAINTENANCE
CAPACITY
-
400 G.P.H. at 600 R P"M
PERFORMANCE
50' I 00' 200' 250' 300' 400' 500'
H.P. AT VARYING HEADS -lb h p l r+
The 2x2XL FORRERS Double Acting Pump is selfoiling
and has been proven a most reliable and
efficient unit. lt is extremely compact as engine or
electric motor can be mounted on top of pump.
It is used extensively for dairying and agricultural
purposes, pressure systems, domestic water supply,
and for industrial high pressure service such as
boiler feeding, hot water pumping, etc.
Maintenance is kept to a minimum and many hours
cf unattended operation can be expected
2x2Xu Pump Mounted With Petrol Motor

FORRERS PTY. LTD.
INSTRUCTION SHEET
FORRERS
SELF - OILINS POWER PUMPS
2*x3 PUMP WITH MOTOR MOUNT AND PULLEY
INSTALLATION
SITE
Pump should be as close to water supply as possible. Suction lift including pipe friction
should not exceed 24 feet at sea level. For each 1200 feet altitude, deduct 1 foot for practical
suction lift.
Should pump become flooded, drain oil fro'm crankcase, replace oil and check pump over
generally.
FOUNDATION
lnstall pump on firm foundation, preferably concrete. Pump should be set level.
SUCTION LINE
Suction line should
is not trapped in line.
Keep suction line as
Pipe diameter should
lines where a large volume
rise towards pump at all times. Avoid high points so as to ensure air
free of bends as possible.
be no sm,aller than that for which the pump is screwed. On long pipe
is pumped, a size larger is pieferable.

s
to
INSTALLATION CONTINUED
Make sure all joints are air tight.
A foot valve should always be fitted where water level is below the pump. When water level
higher than the pump, install a gate valve so that water may be shut off if it becomes necessary
work on the pump.
DISCHARGE LINE
The diameter of the discharge line will depend on the work the pump has to perform, including
friction in that line. The smaller the pipe ihe higher the friction load and power consumption.
A check valve fitted in the discharge line as close to the pump as possible, protects the pump
from water hammer and from damage through flow back of water. This also holds back this
water when maintenance is being carried out on the pump.
Both suction and discharge piping must be supported independently of the pump.
Should a gate valve be installed in the delivery, this MUST BE OPENED before starting
pLlmp. lt is always advisable in installations where a gate valve is {itied to have a relief valve
between purmp and gate valve to protect pump from damage in case line is shut off or becomes
blocked.
GLAND PACKING
Packing should be renewed periodically to protect excessive leakage from the gland and
prevent damage to the piston rod. When replacing, insert each ring separately, seating it firmly
and staggering ihe joints. The last ring of packing should not protrude beyond the stuffing box.
lnstall the gland and tighten the nuts evenly by hand. Allow a slight leakage at all times as this
is necessary to cool and lubricate the packing. Wait until the pump is running before making the
final adjustment.
Unduly tight packing increases power consurmption and causes wear on piston rod.
PRIMING PUMP
Pump can be primed by removing plug from the top of ihe suction chamber and filling the
chamber and suction line completely with water. Before replacing plug, watch water level for short
time to see if the footvalve is holding.
, IRATION
Before starting pump ensure
the oil return channel. SAE 140 Oil
gear case is filled with
is recommended.
oil to a point level with the bottom of
It is advisable after the f irst
place with fresh. Oil level should be
48 hours of actual pumping to drain the original oil and reinspected
every few months,
Before starting turn the pump by hand and ensure all suction, bypass, and discharge valves
are open.
TROUBLE SHOOTTNG
Piston pumps are noted for long operation periods with little more than routine lubrication
and inspection. However, like all other pumps, these units can develop trouble. These are usually
hydraulic troubles, or troubles connected with the installation of the complete unit. Some of these
are analysed below.

PUMP DOES NOT DISCHAR,GE
Suction Lift too High: At sea level a pump hand!ing water should not have a suction lift
greater than 24 feet.
Pump
^ Not Primed: Prime pump by filling the suction line above foot valve with liquid.
Open any vents on discharge side io free pump of air while filling.
Suction Air Bound: Checks for leaks in suction pipe.
Obstructions in Suction Line: Check suction pipe and strainer to see that they are free of
rust, debris, and other obstructions
Worn Parts: Worn valves, piston rod packing and piston buckets can cause a pump to lose
suction. Replace as necessary.
PIPING VIBR.ATES
Undersize Discharge Pipe: Use a larger size of discharge line, if it is possible to change the
piping. lf this cannot be done, install an air chamber in the discharge line, close to the pump.
This will red'uce the pressure surges in the pipe.
On Forrers Power Pumps an air chamber is supplied as standard equipment.
Undersize Suction Pipe: lncrease size of piping or reduce its length. lnstall a suction air
chamber close to the pump to reduce pressure surge pulsations during operation. On sizes up to
and including 6in. bore x 6in. stroke this chamber is supplied.
POWER END NOISY
Crosshead, Bearings or Gears Worn or Loose: Check and replace as necessary.
Speed ioo High: Lower pump speed to recommended level.
LTQUTD END NOISY
Excessive Suction Lift: This has been dealt with earlier.
Gas or Air in Liquid: Inspect the suction piping for leaks at joints, around valve stems, and
at other points where air can enter the system.
Valve Troubles: Weak or broken springs lead to pounding of valves. Valve chatter and other
noises are usually caused by operating pump at too high a speed.
EXCESSIVE PACKING WEAR
Piston Rod Defects: Piston rod may be worn or bent causing uneven wear of the packing.
Check also for burrs on the rod. Replace badly damaged rods with new ones.
POWER INPUT EXCESSIVE
High Discharge Prdssure: lnspect piping for closed valve, increase in relief valve setting or
.
an obstruction in the piping. Where additional piping has been installed, check friction loss-has
not increased the duty above the rated m.aximum head of the pump.
MANUFACTURED BY
Carberry Street,
FORRERS PTY. LTD.
lpswich, Qld.

FOUNDATION DRAWINGS
-
STANDARD PUMPS
sl
o
-T+_
z
8"5
6+
ct
'4
t3* 88
6+
;F o
v
t
F
I ọ
t,
-
-td
D E F G H J K L M N o P o R S T I ns.
4 6 at '2 3 24 at 6i 7 3* 6
3
6 3* 6+
6i t0+ 5 6* 34t s+ 8+ lt 27;] s* 13 3i 9 r*
I
2
5 9
6i t2+ 7 8+ 42 7 t2 t2+ 29 7* 3 r4 4i l0* r+
I
2
si il*
t0* t4+ 9 t0 53 8 t2 t7 35 7+ 6+ 6 t3+ 2
I
2 7 ts*
t0* t4+ 9 l0 55 9 t4 l7 36 7+ 6* 5 t3* 7+
I
2
7 ts+
8 ts* 7 il+ 63+ l0i t5 t9 42 il* 6 7 t6+ 3
5
a 7+ t8 ,)
6i t2+ 7 8* 42 7 8+ t2+ 27 7+ 13 4+ t0i t+
I
2
q3
il+
t0* t4+ 9 t0 54 8+ il+ l7 38* 7+ 3* 6 t3* r+ l_ 2
7 ts+ tt
5
I ts+ 7 il+ 62 t0 t5 t9 46 il+ 5 8+ t6+ 2+ a 7+ t8
6i t0+ 6 6* 34i; (r
8 ll 712 st ')r 3 .4 9 *ll
I
2 5 9
(OTHER DIMENSIONS AVAILABLE ON REQUEST)

PUMPING TABLLJ
FORRERS STANDARD PUMPS
Pump
N,o.
Strokes ,Pump
(lnches)
pet Pulley Galls.
Bore Stroke Suction minute R.P,M. Per Hr, sofr. loofr. l f
HORSEPOWER. REQU!RED AT THESE HEADS
Pulley
Dia.
XL
(FA) 2 2 I I
100 _r_
300 263 4
-l_
-t,
4 4
I I
3 7 3_
4
150 4s0 3s0
,|
4
_l_
4 i-
J.
2
3_
4 I
3_ 4 4 I t+
200 600 400 ,L 4 -l4 + + t 4 4 I r+
9t2F
(FB) 2+
3 r+ l*
70 350 436
I
4
I 2 , 4 I
BO 400 500 -L 4 + +
3
4 4
12x2
I
l0s 525 650 + + 4 I l+
9t3F
(FD) 3 4 r+ r+
50 250 597 -l_ 4 L a
70 350 834 + r+ r+
e
4
14 x 2+
80 400 95s + t r+ r+ r+
9t 4F
(FF) 4 5 2 2
50 250 r 300 + I ll4 ra 2 3
60 300 1566 3 4 l+ loa 2+ 3 4
16x4
70 350 1827 I r+
al
L4 3 4 5
9l5F
(FG) 5 5 2+ 2I
922F
(FN) 5 6 3 3
30 150 1240
3_
r+ ri 2
50 250 2000 3 4 r* 2 3 3+
65 325 2691 r* 2 3+ 4+ 6
40 200 1775 1*
al
ZA- t 4+ s+ 6 7*
50 250 2200 r+
at
z-2 4 5 6+ 7+ e+
60 300 2675 l+ 3 4+ 6 7+ 8+ n+
l6x4
24x4
!
G g
!
z a
-l
9l6F
(FJ) 6 6 3 3
30 r50 2160 r+ 2 3 I
50 250 3600 r+ 2+ 3+ 5 7
60 300 4300 2 4 s+ 7 t0
24x4
E
F
m
Vl

FORRERS. HEAVY DUTY AND HIGH PRESSURE PUMPS
Pump
No.
(lnches)
Strokes
per
minute
Pump
Pulley
R.P.M.
Galls.
Per Hr.
HOR.SEPOWER REQUTRED AT TI{ESE HEADS
Bore I Stroke I Suction lDischa.ge 50ft. I 00ft. I 5oft. 200ft. 300fr. 400ft. 500ft. 600ft, 70ofr.
917Ht
(FC) r* 3 I 4
gIBH
(FE)
:'-"'
2* 4 r* r+
9l9Hr
(FH) 3 5 1+ r+
94 al
J2 5 l+ r+
(FK) 3 6 2+ 2+
92tHt
(FL) 4 6 2+ L2 al
923Ht
(FO) 4 8 3 3
924H 4+ 8 3 3
(FM) 5 8 3 3
60 300 170
_t
4
BO 400 230 -t-
4 + + +
'I
4
Fulley
Dia.
1
I
4 l 2 + 4 4
I
12x2
2 * I I r*
105 525 300 + t t 4 I r* r+ r* 2
40 200 260 I 4
'L 4 + + +
3 4 I I
60 300 390 + + t * A r1- r{-
BO 400 s2B + t
3
^1
r+ r+ 2 2+
40 200 560
'|
2 t 4 3 I r+ r+ 2+
55 275 780 + 3 I r+ tz 2+ 3
65 325 924 + I r+ r+ 2
,)l
LA 4
40 200 760 -3,
4 ri r+ 2.0 L4
1 3+ 4+
55 275 I 060 1l- ')l 2Z 3; 5 6
65 325 1 250 li t; 2+ 2l
J4
+)
A1
JZ 7
40 200 660 I 1 I I r+ 2 2+ 3 3i
60 300 I 000 I I r+ r+ 2 3 3' 5 6
70 350 I 134 I I r* lo3 2+ J2
t1 4+ 5 7
40 200 I 320 I I r* 2 3 4 5
60 300 r 980 I r+ 2 3 4+ 6 7t
70 350 2192 I 2 3 4 s+ 7+ l0
30 150 I 190 I l+ r+ 2 3 4 5 6 7+
40 200 I 590 I r+ 2 234 4 s+ 7 B l0
60 300 2340 I 2 3 4 s+ 7+ 10 t2 15
30 ls0 I 540 1+ 2 2Z 4 trl J2 7 B 7*
40 200 2000 r+ 2 3 4 s+ 7+ l0 lt 12
60 300 3080 r+ 3 4 5+ 7+ e+ ll+ t5 t5
30 r50 I 900 l1- 2 3 4 5 7+ l0
40 200 2550 l+ 2+ 3+ 4+ 6+ B+ t2
50 300 3600 2 3 4 6 9 12 l5
14 x2*
l6x4
l6x4
24x4
24x4
30x6
30x6
30x6

1
Pump
No.
Strokes Pu,mp
(lnches)
HORSEPOWER REQUIRED AT THESE HEADS
Per Pulley Galls.
Bore Stroke Suction Dischargr minute R.P.M. Per Hr. 50ft. t OOfr. I 5oft. 200ft. 300fr. 400fr. 500fr. 600ft, 7OOfr.
Pulley
Dia.
926H1
(FP) 6 8 4 4
927F
(rQl 7 B 4 4
928F B 8 4 4
929H\
(FR) 5 l0 4 4
930H
(FS) 6 t0 4 4
93I HI
(FT) 7 l0 4 4
932F 8 r0 4 4
933F l0 r0 6 6
25 125 23s0 r+ 2+ '" 4 5 7+
3s 175 3250 r-a 3 / sl B+ lt
55 275 4950 2 4 6 B+ 12+ l5
25 125 3200 re 3 A
trl
J2
35 17s 4500 2 4 6 7+
55 :27s 6900 2 6 10 t5
25 125 4200 2 3+ 5
35 175 5900 2+ 5 7+
45 225 7s60 3 6 l0
30 r50 2300 1+ 2+ 3 4 5 7+ l0 12
50 i250 3800 2 3+ 5 6J, r0 l3 l6 20
40 1200 3100 r* 3 4 s+ 8+ ll r3 l5
30 150 3400 r+ J 4+ 6 B+ t2 l5
40 200 4600 2 4 6 8 ll+ l4 IB
50 250 5700 2+ 5 7+ l0 12+ l5 20
25 125 3900 2 3+ 5 6+ l0 r3 l6
35 175 5500 ,2+ 5 7 8 12 14 24
45 )225 7000 i3 6 B+ 12 l8 24 30
25 125 4700 2 4 6 B 12
35 itts 6600 3 s+ B lt l5
45 i225 9440 4 8 12 l5 20
20 Ir oo 6600 r3 sl o ll
30 Lt 50 9900 i4 B t2+ 17
40 200
I 3200 r5+ l1 l5 20
30x6
30x6
30x6
Pulley
to size
Specified
94 2+ 6
al z2 2t 40 200 420
TOOI| 800ft. i 900{r. r000 fr
l
JZ 4 4+ 5
24x4

FORRERS DUPLEX PUMPS
umP
0Nc HES)
Bore Stroke Suction Discharge
PUMP PULLEY
R.P.M.
GALTONS
PER HOUR
MAXIMUM HEAD
FEET
MAXI,MUM
H.P.
934F 4 5 3 3 3s0 3600 250 7
935F 5 5 3 3 325 5200 250 l0
936HD 3+ 6 3 3 3s0 3300 600 l5
937F 5 6 3 3 325 6400 250 l3
93BHD 4 8 4 4 300 4600 600 20
939HD 4+
o 4 4 300 6000 500 25
94OHD 5 B 4 4 300 7000 500 30
94I HD 6 B 5 4 275 9800 500 40
942HD 7 o I 6 6 275 r 3600 200 30
943HD 8 B 6 6 225 I 5000 150 20
944HD 7 t0 6 4 225 I 4000 500 50
945HD B t0 B 6 225 r 8600 300 40
946F l0 l0 B B 200 26500 200 30
rPswrcH
MANUFACTURED BY
FORRERS PTY. LTD.
QUEENSLA.ND

FORRERS FARTS LIST
t$ll I
NAME oF PARI
tftLt
l
NAME oF PARI
PART
No.
NAME OF PART
I
2
3
4
5
6
7
8
9
l0
ll
t2
t3
t4
t5
t6
l7
t8
r9
20
2l
22
Gear and Eccentric Case
Gear Case Lid
Gear and Eccentric
Connecting Link
Connecfing Link Bush
Retaining Ring
Locking Screws Ret. Ring
Locking Screw Gear Shaft
Locking Nut Gear Shaft
Gear Shaft
Gear Shaft Bearing
Pacl

FOR,RERS PARTS LIST
STANDARD PUMP: MKS FB,FD' FF' FG' FJ'
FK, FL, FM fO, FP, FQ,
FR, F5, FT.
46
45
44
42
40
60
l6
8
Gear Box ends in all F series pumps are
similar in design to that shown above
Only the Pump Ends (illustrated at left)
differ