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Spring Check Valves (Adjustable), PVC
Feature:
• Adjustable Spring (Factory Set at 5 PSI) will Retain a Column of Water 12' to 36' Head; 1-1/2 Turn+1 lb. Pressure Adjustment • FPT Ports, EPDM Gasket • 200 PSI Rating at 72° F. - 140 Deg. F. Maximum Temperature Rating. Used in systems where back flow is not desired and where a greater opening pressure is needed: industrial, elevated irrigation lines, swimming pools, D spas etc. |

