Check Valves

Wafer Valves

Technical specifications :

1. Valve type : Self acting non-return valve.
2. Description : Single plate wafer type swing check valve.
3. Body type : Short pattern wafer type
4. Disc type : With integral hinge pin

5. Model nomenclature : check valve with rubber O-ring seat and face sealing ,check valve with PTFE seat and serrated contact faces
6. Size range : 25 NB to 600 NB
7. Pressure rating : PN 16 (max)
8. Operating temperature range : -25 C to 200 C (depending on MOC)
9. Seat leakage : Zero leak / tight shut off 10. Standard Material of Construction (MOC) Body : SGI /WCB/ CF8/ CF8M/CS-IS 2062 Disc : SGI /WCB/CF8/CF8M Seat : EPDM / Viton/ Nitrile/ Neoprene / Hypalon/ PTFE

Tilting Disc Valves

The  check valve is a reliable metal seated non-return valve with  oblique seating angle widely used in industries such as:

  • Pulp and Paper
  • Wastewater treatment Plants
  • Food and Beverage etc.

Main features:

  • Short Face to Face
  • Minimum pressure drop
  • Low pressure opening allowance
  • Good sealing
  • Quick operation (inclined seat reduces the stroke distance)

Accessories:

  • Auxiliary spring
  • Counterweight
  • Shock absorber

Sizes: DN 40 to DN 900 (larger diameters on request) Working pressure:

  • DN 40 to DN150: 25 kg/cm2
  • DN 200 to DN500: 16 kg/cm2
  • DN 600 to DN900: 10 kg/cm2

Standard flange connection:

  • DIN PN 10
  • ANSI B16.5 (class 150)
  • Other flange connections are available on request.

Material of Construction-SS316

Swing Check Valves

Features Specifications Specs
Size: 1/2’’-40’’ Design ASME 16.34/ BS 1868/BS 5153/IS 5312
Class: 150- 2500 Face to Face ASME B16.10/DIN/IS/BS
CS/CI/SS/Alloys/Monel/Hast Alloys/ Fabricated Material Construction End to End SW/BW Type/Flanged End/RTJ
Self Operated/Dash Pot/Counter Weight End Flange ASME B16.5/B16.47/DIN/BS /IS/JIS
Single Door/Multi Door/Double Eccentric Disc BW End ASME B16.25
Non Slam arrangement on request Test API 598/BS 6755
Wafer type/Ball Type/Piston Type/Spring Loaded Pneumatic Test API 598/BS 6755
Metal to Metal and Metal to Soft Seat Special NACE MR-01-75
Rubber Lining On Request

Disc Check Valves

Features Specifications Specs
Size: 2’’-64 (50mm -1600mm) Design API 6D/API 594
Class: 150- 300 Face to Face API 6D/API 594
CS/CI/SS/Alloys/Monel/Hast Alloys/ Fabricated Material Construction End to End Wafer Type/Flanged
Self Operated End Flange ASME B16.5/B16.47/DIN/BS /IS/JIS
Multi Door BW End ASME B16.25
Spring Loaded Test API 598/BS 6755
Metal to Metal and Metal to Soft Seat Special NACE MR-01-75
Rubber Lining On Request

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