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Butterfly Valve




  • Design Standard: BS 5155, EN 593, API 609 CAT. A.
  • Wafer type design makes it compact and take lesser spaceDynamic sealing of concentric disc is obtained with vulcanised rubber seat at very low torque.
  • High precision disc external profile for smooth operation & tight shut off sealing with low operating torque.
  • Moulded rubber body seat is extending on to the contact faces ensures perfect sealing and eliminates the need for separate flange gaskets.
  • Notch plate ensures the locking of the hand lever at different position in addition to open and closed position
  • Shaft sealing is ensured by double sealing of Bush and 'O'ring combination.
  • Body castings made of superior FG 260 grade cast iron to ensure additional strength.
  • Valve disc made of ductile iron with epoxy coating/SS304/SS316 offers high strength against pressure.
  • Shaft made of martensitic stainless steel to ensure maximum strength and torsional rigidity
  • Two piece stem design which is precisely guided between the PTFE bush & Rubber ORings to prevent leakage, corrosion and stem seizure
  • Taper disc holder pins to ensure shock proof shaft to disc connection & suitability of replacement at field.
  • Easy visual control of open/closed position marked on the notch plate.
  • Operation mode manual, gear, electric, pneumatic.
  • Available with locking arrangement on request
  • Temper Switch/supervisory limit switches option available on request.
  • Top flange as per ISO 5211 to suit F Series flanges of Gears and Actuators