Wafer Type Swing Check Valve

Intervalve® check valve models IVC and IVCT are primarily single plate swing check valve with a short pattern wafer body conforming to the API 6D and ANSI B16.10 face to face dimensions. The valve has a simple but robust construction with reliability. The low inertia disc design enables the valve toopen or close with a very low differential pressure which make them ideal for services operating under low differential pressures. The pressure drop across the valve in fully open condition is relatively low and makes them ideal for pump discharge duties. The eccentric disc shaft in combination with the disc seat guarantees a positive shut off of the returning media.
The short face to face dimensions and low weight allows a simple space saving installation between the mating companion flanges. The valves are suitable for mounting between weld neck or slip on type companion flanges of different standards. The need for flange gaskets during installation is totally eliminated in the case of IVC model due to the in-built face sealing 'O' rings provided on the sealing face. Gaskets are recommended while installing IVCT model valves.


Engineering drawing machine parts


1 Valve type : Centric Disc Design Butterfly valve with a single
piece Rubber lined body.
2 Body type : Short wafer (IVGKL)
3 Seat type : Replaceable for sizes 50 NB to 600 NB < PN 10 rating.
Bonded seat for sizes 40 to 1200 NB for all
applicable ratings.
4 End connection : Wafer sandwiched
5 Size range : 40 NB to 1200 NB
6 Pressure rating : 40 NB to 600 NB-PN16 (max).
650 NB to 1200 NB-PN10 (max).
7 Operating temperature : -25 C to 200 C (depending on MOC)
8 Seat leakage : Tight shut off
9 Operation : Handlever for sizes from 40 NB to 250 NB
Worm gear boxes for sizes from 40 NB to 1200 NB
Pneumatic / Electric actuator operation-optional
10 Standard Material of Construction (MOC)
  Body : CI / SGI / WCB / CF8 / CF8M
  Disc : SGI / WCB / CF8 / CF8M
  Seat : EPDM / Viton / Nitrile / Neoprene / Hypalon / Silicon
  Shaft : AISI 410 / SS 316 SH

Key features :

  • Unique triple sealing system for shaft sealing, eliminates any fugitive emission or secondary leakage.
  • Self lubricated PTFE lined bearings for both drive end and non-drive end shaft ensures minimum bearing friction torque.
  • Seat liner extending on to the flange contact faces, eliminates the need for separate flange gaskets during installation.
  • Controlled compression of the gasket face to offer optimum sealing & prevent gasket face crushing failure.
  • Bi-directional valve with tight shut off sealing capability to hold vaccum to rated pressure in either direction.
  • Excellent adaptability for actuated operation through standardised top flange mounting dimensions for actuator fitment.
  • Suitability for ON /OFF as well as throttling duties.
  • Choice of seat and disc materials to suit media conditions and service requirements.
  • Adaptability to fit between companion flanges of all popular flange standards for the wafer style body.
  • Possibility of lower seat rating to obtain reduced operating torque and extended seat life for low operating pressures.

About Company

Company has been a pioneer and has retained its leadership position in supplying seamless Pipes, Industrial Valves, flanges & Pressure/Temp. Gauges, Instruments, Actuators & Structural Steel materials.

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Quality is our prime concern and we ensure to maintain it at each level of our organization. We ensure that the products were manufactured at client's end are at par with international standards. It has a separate setup for quality control, which is manned by trained quality inspectors, who keep a stringent eye on each detail of product specifications hence keeping the quality intact followed by Mechanical tests.

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