Mud Pump Relief Valve

Shear Relief Valve Factory pressure relief settings are as follows:

16 penny nail relieves at 1,000 PSI;

10 penny nail relieves at 850 PSI;

8 penny nail relieves at 600 PSI (our standard factory setting);

6 penny nail relieves at 500 PSI;

4 penny nail relieves at 400 PSI; and

3 penny nail relieves at 250 PSI.

NDS Drilling Supply