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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.