Fully Rubber Encapsulated Butterfly Valve

Fully Rubber Encapsulated Butterfly Valve


Super Tech Pumps and Equipments offers Fully Rubber Encapsulated Butterfly Valve. Intervalve Butterfly Valve model IVGE / IVTLE is an economical answer to the corrosion problems faced by Chemical process industries with conventional metal seated Butterfly valves. The valve’s unique design totally eliminates media contact with any metallic surface of the valve. The valve has a fully rubber lined body and a rubber encapsulated disc with a square slot for the drive end shaft. The valve is available in ‘wafer’ as well as ‘wafer lugged’ version with a host of seat and encapsulation material to cater to majority of the chemical process industry requirement.

  • Full PN 10 pressure rating for the entire range of 50 NB to 350 NB.
  • Bi-directional valve with sealing capability to hold rated shut off pressure in either direction.
  • Unique triple sealing system for shaft sealing, eliminates any fugitive emission or secondary leakage.
  • Self lubricating shaft bearings (PTFE coated stainless steel) for both drive end and non-drive end shaft ensures minimum bearing friction torque.
  • Square coupling disc drive arrangement eliminates need for taper pins and exposure of metal parts to media..
  • Spherically profiled seat and disc shoulder contact area ensures perfect sealing around the shaft bore and zero leakage.
  • External locking arrangement for top shaft to make it blow out proof.
  • Excellent adaptability for actuated operation through standardised top flange dimensions for actuator mounting.
  • Seat liner extending on to the flange contact faces of the body eliminates the need for separate flange gaskets.
  • Controlled compression of the gasket sealing face to offer optimum sealing and prevent gasket face crushing due to over tightening.
  • Choice of seat and encapsulation material to meet a host of aggressive chemicals.

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