Lubchem Force Flow grease pumps are reliable, heavy duty air operated pumps. Each pump is equipped with 100:1 ratio air motor that is capable of 10,000 psi discharge pressures. Discharge pressure may be adjusted by regulating the inlet air pressure to the pump through the air inlet regulator. Force Flow pumps are equipped with twin cylinders that provide continuous contact between the follower plate and the sealant providing a continuous prime to the pump. The positive pressure applied by the pressure priming system prevents pump cavitation and makes it possible to pump highly viscous sealants at low temperatures.