Parker PR Series Plug Valves provide positive leak tight shut-off, high flow capacity and quick quarter-turn operation in a compact attractive package. The patented blow-out resistant seat design offers reliable sealing technology at all operating pressures. In addition to on-off actuation, the plug design allows forward flow throttling. A selection of valve seal materials may be chosen for media compatibility and performance over a broad range of temperatures. The pressure balanced atmospheric seals are backed by PTFE (Polytetrafluoroethylene) rings to enhance their performance and increase cycle life. Pressure ratings for reverse flow direction is 150 psig (10 bar) and downstream vent option is 150 psig (10 bar). 0.281″ Orifice. Flow rate Cv: 3.19. 3/8″ Double ferrule compression inlet connection. 3/8″ Double ferrule compression outlet connection. Manual operated. Temperature rating from -10 degree F to 400 degree F (-23 degree C to 204 degree C). Pressures up to 3,000 psig (207 bar) CWP. Quarter-turn operation. Reliable simple design. Stainless steel construction. Highly fluorinated fluorocarbon rubber seals. Low operating torque. Minimum pressure drop. Throttling capability. Color coded fracture resistant nylon handles with directional flow indication. 100 Percent factory tested. Options include lock-out devices, downstream venting and both stainless steel and t-bar handles.
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Patented blow-out resistant seat design
Straight-through flow
PTFE back-up rings on atmospheric seals
Positive handle stops
Easy to service
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