Shear relief valve is used at the discharge part of the mud pump.JA-3 shear pin safety valve changes the discharging pressure by changing the position of the shear pin ,which is operation easy and work reliable.
1. Opening and shutting neatly.
2. Piston's bearing pressure area is small.
3. To reposition simply.
4. Safety Valve may use for multifold mud pumps.
5. flange / screw thread connection 6. Max pressure:35Mpa