Corrosion-free Polyvalves from Kerotest Manufacturing come in standard and full-port design, from 0.5 to 12-in. diameters. The valves are made of medium and high-density polyethylene. Kerotest ...
Continuous development in the design and manufacture of plastic valves has created an opportunity for these valves in the potable-water market that was previously dominated by metal valves, says Cape ...
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