Design & face to face dimensions : API 6D / ANSI B16.10
Valve testing : API 598
Flange standard conformity : ANSI 150, DIN PN 10 & PN 16, BS 10 Table D & E
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Technical Specification :
Valve type : Self acting non-return valve.
Description : Single plate wafer type swing check valve.
Body type : Short pattern wafer type
Disc type : With integral hinge pin
Model nomenclature : IVC- check valve with rubber O-ring seat and face sealing
IVCT- check valve with PTFE seat and serrated contact faces
Size range : 25 NB to 600 NB
Pressure rating : PN 16 (max)
Operating temperature range : -250 C to 2000 C (depending on MOC)
Seat leakage : Zero leak / tight shut off
Standard Material of Construction (MOC)
Body : SGI /WCB/ CF8/ CF8M/CS-IS 2062
Disc : SGI /WCB/CF8/CF8M
Seat : EPDM / Viton/ Nitrile/ Neoprene / Hypalon - for IVC, PTFE or GFT -for IVCT
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Key Features :
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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