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Description
WALWORTH Top Entry Cast Steel Plug valves provide safe, reliable, long life service at an economical price.
The taper of the plug and seat maintains an intimate working contact between the two parts at all times, and with the proper lubricant, the valve seals drop tight from zero to full rated differential pressure.
Features- Sealant Fitting – fast sealant injection that can be removed under pressure. The system includes ball check valves that prevent back pressure and maintain pressure in the sealant cavity
- Balancing Spring - the mechanical spring type grade 304 Stainless Steel washer is under compression and holds the plug in an equalized pressure position, thus eliminating the possibility of plug taper lock
- Sealant Grooves - this system permits sealant injection while the valve is under full line pressure. WALWORTH recommends that the valves be lubricated, with the plug in the fully opened or fully closed position for optimum valve performance
- Open/Close Indicator - quarter turn stop collar also functions as an indicator of the plug`s position
- Diaphragm Gasket - ensures a complete sealing of the valve against any leakage
- Plug - WALWORTH plugs are designed with a specific coating material that reduces the coefficient of friction friction, making the valve operate with low torque
- End to End Dimension as per ASME B16.10 to meet short Pattern Length
- Flanged Dimensions conform to ANSI/ASME B16.5, B16.34
- Butt-weld Dimensions conform to ANSI/ASME B16.25
- Threaded Dimensions conform to ANSI/ASME B1.20.1
- Design as per API 6D
