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Ball valves perform a quarter turn on/off or modulating function. A flow-controlling ball located within the body of the valve contains a hole through its center along one axis, which connects the inlet and outlet ports of the body. The ball itself is held in place by, and rotates 90º within, PTFE seats. These provide permanent lubrication and keep the valve bubble-tight. They are backed by elastomeric cushions, which provide pressure against the ball and, at the same time, compensate for wear. Elastomer O-rings are used for stem and carrier seals to prevent leakage to the atmosphere. In the open position, the flow is straight through with minimal pressure drop, as long as the porting through the ball is the same size as the inside diameter of the pipe.
To learn more about our family of thermoplastic ball valves please click on the appropriate link.
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Type 21 Ball Valve - Industrial Grade, PVC, CPVC, PP & PVDF, 1/2" - 6"
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Quarter-Bloc® Ball Valve - Water & Light Chemical , PVC, 1/2" - 2"
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Omni Ball Valve® - One-piece compact design, PVC & CPVC, 3/8" - 3"
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Type 23 Multiport® 3-way Ball Valve - Industrial Grade, PVC, CPVC, PP & PVDF, 1/2" - 6"
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Labcock Ball Valve® - Industrial Grade, PVC, 1/4"
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Ball Valve Options - Stem Extensions, Locking Handles, Panel Mounts, Remote Operating Nuts, Limit Switches
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DuoBloc Ball Valve Discontiuation Annoucement
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