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UL / FM / AWWA resilient seated gate valves (non-rising stem) are manufactured in accordance with AWWA C515-09 Standard and are NSF-372 Certified Lead Free. The UL/FM, AWWA NRS Flange x Flange Valve’s body, bonnet, and wedge are of high strength ductile-iron. The wedge is encapsulated with EPDM rubber. Stainless steel stem and bolting are standard. Flanges to ANSI B16.1, Class 125. Valves are fusion bonded epoxy coated interior and exterior to AWWA C550 Standard. UL / FM @ 300 psi. Available with Hand Wheel or Operating Nut
A butterfly valve is a specialized control valve used to control liquid or gas flow through pipes. The rotating disc in the valve is controlled by an exterior wheel, allowing it to be completely shut off when necessary. Butterfly valves contrast with valve types like steel globe valves, steel gate valves, check valves, and solenoid valves.
The body, bonnet, and plug (EPDM encapsulated) are constructed of ASTM A536 grade 65-45-12 ductile iron. The body and bonnet are fusion bonded epoxy coated (NSF 61 powder) inside and outside standard. The valve is pressure rated to 200 PSI with ANSI class 150# Flanges (MJ Model 54-3 is rated to 150 PSI). The valve stem is equipped with V-type packing that is self-adjusting and replaceable while the valve is under pressure. In addition, all fasteners and washers are constructed from stainless steel material. Soval plug valves incorporate a nickel welded seat for long service life and are designed primarily for applications where slurries, solids, or grit are present. They are designed for both on-off function and process control in industrial and municipal applications.