It works, but the instructions were confusing.
Paul C.
✓ Maintenance Tech
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The Alemite ALM9979-A is a 50:1 ratio pneumatic stationary RAM grease pump for 400 lb drums, supplied complete with drum cover and follower plate.
The "Cover & F" in the short catalog designation is Cover and Follower, and it is the reason to specify this variant. Within Alemite's 400 lb drum pump range, the 9979-A is the model that ships with both the drum cover and the 338911 follower plate included. The follower plate rides on the grease surface and descends with it as the drum empties, keeping the pump inlet submerged and preventing the air voids that otherwise cause a pump to lose prime partway down a drum.
The pump is driven by a 3" diameter air motor at a 50:1 ratio and delivers up to 4.5 lb per minute. It is a double acting RAM design, which reduces line pulsation and allows the system to run at lower operating pressure. Material outlet is 3/8" NPTF(f) and the air inlet is 1/4" NPTF(f), with 360° adjustment of both.
It is recommended for piped installations up to 150 feet and meets OSHA noise requirements at 85 dB. The air motor and spool are accessible for service without removing the downtube, and the flexible follower suits straight or tapered containers.
Applications include vehicle and fleet workshops, manufacturing, construction, agriculture, mining, and marine maintenance operations dispensing grease from bulk drums through fixed piped systems.
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It works, but the instructions were confusing.
Paul C.
✓ Maintenance Tech
It's okay. Does the job but nothing special for the price.
William G.
✓ HVAC Technician
Great value for the quality you get. This is now my go-to.
Joseph A.
✓ Verified Buyer
Solid, reliable, and exactly as described. Very happy with this purchase.
Emily B.
✓ Business Owner
Works great, price was fair, and delivery was faster than expected.
Sarah D.
✓ Verified Buyer
Perfect fit and finish. You can tell it's a quality part.
Richard O.
✓ Verified Buyer
Works great so far. Only minor gripe is the price.
Rebecca L.
✓ Facilities Manager
Exceeded my expectations. Well worth every penny.
George A.
✓ Verified Buyer
Decent build and it does the job. Happy enough to reorder.
Edward N.
✓ Verified Buyer
Fit perfectly and did the job the first time. Couldn't ask for more.
Melissa V.
✓ Contractor
Works great, price was fair, and delivery was faster than expected.
Wei D.
✓ Contractor
Solid, reliable, and exactly as described. Very happy with this purchase.
Edward L.
✓ Verified Buyer
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