API 7K JA-3 Safety Cut Off Valve for Triplex Mud Pump

JA-3 Joint Type Safety Cut Off Valve For F-series Triplex Mud Pump 1. JA-3 Safety Cut Off Valve is used at the discharge part of the mud pump, and the structure is shown in the following figure: when pump 3 raises the shear pin plate 10, shear pin 11 is cut off and the in-pump pressure is emptied quickly. 2. JA-3 Safety Cut Off Valve changes the discharging pressure by changing the position of the shear pin, which is operation easy and work reliable. 3. JA-3 Safety Cut Off