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INSTRUCTION MANUAL
S1220, Rev D
Air Operated 3:1 Oil Ratio Pump
OP-31
Congratulations on purchase of this World Class Air Operated Oil Ratio Pump !
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World-class Industrial Oil Dispensing pumps with
guaranteed performance & hassle free operation
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Pumps are designed to work in tough conditions &
are ideal for use with medium to high viscosity oils
(upto SAE 130) for transferring over short distances
(upto 30 metres), mostly used with Trolley mounted
kits
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All metal construction, fully CNC machined with
hardened wear resistant moving parts
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Reciprocating piston operated 2-1/2” (63 mm) dia.
Air Motor
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Available in three different sizes - Stub, 16 Gal & 55
Gal version
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Stub Pumps are supplied with Non Return Valve
threaded 1” (F) for use on the bottom of the Suction
Tube. Other pump lengths have a built in Strainer at
pump inlet to keep contaminants away
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Pumps are single acting with discharge up to 14 LPM
(3.70 GPM). Air Consumption: 230 LPM (61 GPM)
PUMP CONSTITUENTS
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2
1. Pump Assembly
2. Bung Nut
Stub Version
OP/S/31B
16 Gal Version
OP/T2/31B
55 Gal Version
OP/T3/31B
730 mm (28 - 3/4”)
950 mm (37 - 3/8”)
Fig. 1
