Resilient Seated Butterfly Valve
Wafer DN350-DN1000
Model WSSE-W

MODEL
  • WSSE-W (Gearbox Operator)
  VALVE DESCRIPTION
  • Quality product designed to "Challenger" specifications
  • Bi-directional bubble tight sealing
  • The Phenolic backed seat is blow out proof
  • Triple shaft bushing located at the top, middle and bottom of the valve act as a bearing lubricant, preventing shaft or disc deflection, provides precision disc positioning, easy operation while reducing component wear. Bushing provides secondary seal points to liner preventing ingress of media, in addition it also protects against corrosion
  • Shaft sealing: Rubber O-rings located at the top, middle and bottom of the valve protect against the ingress of foreign matter and media, in addition it also protects against corrosion
  • Moulded in O-rings on the seat seal against the shaft also protect against the ingress of foreign media and corrosion
  • The entire wetted area of the valve body is rubber lined extending over the flanges, providing corrosion protection
  • Reliable one piece shaft ensures higher stability and greater disc control
  • Mounting flange complies with ISO5211 allowing for direct mounting
  • Installation can be made on any angle
  • Maintenance free design
  • Suitable for vacuum service (PN2)
  • Precision Taper pins ensure positive connection with the disc avoicing blow out under pressure and vibration, they are also easily replaceable
  • Polished disc edges reduce scrubbing actions and torque, this increases valve performance and life cycle
SIZE RANGE
  • DN350-DN1000
OPTIONS
  • Epoxy coating to AS4020 Jotun Tangard 412
  • PN16 Rated option available
  • Gearbox operation
  • Lockable Gearbox
  • Actuation: Electric or Pneumatic
  • Torque limiting devices
  • Buried service
  • Submerged service
  • Extension Spindles
  • Chainwheel Operation
  • Seat material: NRB (Nitrile)
  • Disc material: Bronze, Duplex
  • Shaft material: Monel
  • Flange drillings: AS2129 Table E, ANSI B16.5 (ANSI#150), DIN
  • Limit Switches

Product Specifications

Data Sheet
Contact Challenger