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Doctrine Engineering
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17 & 19, Jalan TPP 5/13,
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Doctrine Engineering
(M) Sdn Bhd (Johor Branch)

No.25, Jalan Mutiara Emas 7/10,
Taman Mount Austin,
81000 Johor, Malaysia.

+607-351 4948
+607-351 4951

PT.Doctrine Engineering

JL. Raya Daan Mogot, KM.21, Pergudangan Era Prima, Blok G, No.22, Tangerang Batu Ceper, 15122 Indonesia.
+021 4587 0923
+021 4587 0923

Intervalve Check Valve

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Intervalve Check Valve Check Valve Valves



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 : IVC - check valve with rubber ''O''ring seat and face sealing
IVCT - check valve with PTFE seat and serrated contact faces
6. Size range : IVC - DN 25 to DN 900 / IVCT - DN 25 to DN 600
7. Pressure rating : PN 16 (max) for sizes up to DN 600 &
PN 10 for sizes ≥ DN 650
8. Operating temperature range : -25C to 2000 C (depending on MOC)
9. Seat leakage : Zero leak / tight shut off
10. Standard Material of Construction (MOC)    
  Body & Disc : SGI  / WCB /  CF8 /  CF8M / CS - I2062
  Seat : EPDM / Viton/ Nitrile/ Neoprene / Hypalon - for IVC
      PTFE or GFT -for IVCT

  • Very low face to face dimensions hence space required for mounting is less than 10% of that conventional valves.

  • Very low weight-total weight is only approximately 1/6 the weight of a conventional check valve.

  • Short wafer body enables mounting the valve with shorter length fasteners of lesser number compared to flanged swing check valve. Approximately 50% saving in cost of fasteners.

  • Considerable secondary advantages resulting in substantial savings in handling, packing, transportation, installation and maintenance.

  • Saving in terms of overall length required for piping.

  • Tightening torque to be applied on the companion flange bolting is lower due to face sealing O-rings.

  • Practically maintenance free due to fewer number of parts and simple construction.

  • Self centering in pipeline due to controlled outside diameter, enables easy installation.

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