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PROLUBE Air Operated 50:1 Ratio Grease Pump
The PROLUBE Air Operated 50:1 Ratio Grease Pump dispenses grease up to 50 times the air inlet pressure. The all-metal construction with hardened wear-resistant components paired with a strainer at the suction tube inlet enables a long lifespan of clean, high-pressure grease delivery to bearings.
The 2 ½" (63 mm) diameter air motor, driven by a reciprocating piston, guarantees consistent operation with a maximum grease output of 2.42 lbs. per minute (1.10 kg per minute).
This grease pump comes complete with a drum cover, rubber lined follower plate, 7' (84") high-pressure grease hose along with a swivel and professional grease control valve. In addition, the suction tube length is 17 5/16" and has a pail capacity of 5 gallons (25-50 lbs), making it useful for industrial uses, workshops, farms, construction sites or as a part of mobile grease systems.
Specifications
- Pressure Ratio: 50:1
- Working Pressure: 30-150 PSI (2-10 BAR)
- Maximum Air Pressure: 150 PSI (10 BAR)
- Maximum Outlet Pressure: 7,500 PSI (500 BAR)
- Air Inlet Connection: 1/4" (F)
- Pump Outlet: 1/4" (F)
- Air Consumption: 61 GPM (230 LPM)
- Grease Output (Max.): 2.42 lbs./min. (1.1 kg/min.)
- Noise Level: 81 dB
- For Use With: 25-50 lb / 5 gallon (20-30 kg) pails

PROLUBE Air Operated 50:1 Ratio Grease Pump
For 25-50 lb / 5 gallon (20-30 kg) Pails - 1/4" NPT
The PROLUBE Air Operated 50:1 Ratio Grease Pump dispenses grease up to 50 times the air inlet pressure. The all-metal construction with hardened wear-resistant components paired with a strainer at the suction tube inlet enables a long lifespan of clean, high-pressure grease delivery to bearings.
The 2 ½" (63 mm) diameter air motor, driven by a reciprocating piston, guarantees consistent operation with a maximum grease output of 2.42 lbs. per minute (1.10 kg per minute).
This grease pump comes complete with a drum cover, rubber lined follower plate, 7' (84") high-pressure grease hose along with a swivel and professional grease control valve. In addition, the suction tube length is 17 5/16" and has a pail capacity of 5 gallons (25-50 lbs), making it useful for industrial uses, workshops, farms, construction sites or as a part of mobile grease systems.
Specifications
- Pressure Ratio: 50:1
- Working Pressure: 30-150 PSI (2-10 BAR)
- Maximum Air Pressure: 150 PSI (10 BAR)
- Maximum Outlet Pressure: 7,500 PSI (500 BAR)
- Air Inlet Connection: 1/4" (F)
- Pump Outlet: 1/4" (F)
- Air Consumption: 61 GPM (230 LPM)
- Grease Output (Max.): 2.42 lbs./min. (1.1 kg/min.)
- Noise Level: 81 dB
- For Use With: 25-50 lb / 5 gallon (20-30 kg) pails

Return Policy
Return Policy, Limited Warranty and Limitation of Liability
If you are not satisfied for any reason products may be returned within 30 days of shipment for a full credit or exchange (provided the product is undamaged). Return documentation should clearly specify credit or exchange. Returned items must be in the original packaging. All returns must include a return authorization (RA) number that can be obtained by contacting Groz USA Customer Service Department at 1-888-685-2916. Our customer service hours are Monday through Friday from 8:00 a.m. to 5:00 p.m. (CST). Include a copy of the original order confirmation or packing slip with your RA paperwork as proof of purchase. Returns received without a RA number may be assessed a 15% restocking (processing) fee that will be deducted from any credit due.