Resilient Seated Butterfly Valve Description
The STW/STL is a resilient seated 125/150, ductile iron wafer style (STW) or lug style (STL) butterfly valve available with either BUNA-N or EPDM seats and a choice of disc materials (316SS, nickle plated ductile iron, or bronze). It can be equipped with a manual handle or with pneumatic or electric actuators. A full range of accessory items are available including limit switches, solenoid valves, positioners and manual override devices.
Features & Benefits
Economy & high performance
One-piece body construction and self-centering disc.
Seat facing acts as flange gasket.
3 shaft bushings support actuation.
Shaft sealing against external leakage
Meets MSS SP-67 and API-609 specs.
Complete line of accessories