83834 | Centro-Matic Air-Operated (Single Stroke) High Volume Bare Grease Pump

Pump uses air for forward and return stroke but dispenses lubricant on forward stroke only. Return stroke vents lubricant pressure through included check/vent valve. Translucent reservoir has spring-loaded follower. Refill through included filler fitting using Model 81834 or other manual pump equipped with Model 645006 coupler. Lubricant / Air Ratio: 25:1 Max. Output: 2.15 cu. in. Reservoir Capacity: 4 lb. / 120 cu. in. Reservoir Temp Range: 0 F to 150 F Air Inlet: 1/4" NPTF (F) Lube Outlet: 1/4" NPTF (F) Lubricant Oper. Pressure (Min. / Max.): 1200 psig / 3500 psig Dimensions (HxWxL): 18 1/2" x 5 3/4" x 21" Air Valve Required: 4-way Note:  Air consumption @ 100 psi is 0.15 CFM per stroke.   Timer Specifications Cycle Time (Min./Max.): 20 sec. / 24 hr. On Time (Min./Max.): 10 sec. / 1 min. Power Requirements: 120 VAC, 60 hz Ambient Oper. Temp. Range: 10 F to +150 F     Product image is for representation only.