The Groz Heavy-Duty Grease Control Valve is designed to control the flow of grease from high-pressure grease pumps.  Constructed with a robust steel body and a replaceable hardened ball seat, these valves ensure long-term reliability. The steel pistol handle with an extra-strong compression spring, guarantees optimal control even with an increase in pressure. Continuous grease dispensing with the trigger fully pressed Each unit comes complete with a 6" (150 mm) steel extension and heavy-duty coupler.  The grease control valve develops pressure upto 7500 PSI (517 Bar), enabling precise and efficient greasing , especially in high - pressure grease applications.