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There are 17 products.

True Union Ball Valves PVC

Produced to control pressure in a system, the true union ball valves PVC have multidirectional blocking capabilities with maximum pressure ratings. Made with superior materials, these Praher pressure relief valves are designed with double stem Oring design, Teflon seats, and ½” and 2” sizes. View the complete list below to find the product for you, and if you have any questions concerning any of our industrial valves, please contact us at or chat with us live.


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