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Wafer Type Check Valve

We offers disc check valve (wafer type) especially for chemical, Food processing, Pharmaceuticals, Pulp and Paper, Textiles, Power generation, Refrigeration & Air Conditioning etc. The valves are used in Oil lines, Processing line, Hot and cold water systems, steam and condensates, Gas lines etc.

  • Size Range : 1/2″ to 4″ Screwed
  • Size Range : 1/2″ to 12″ Wafer Type
  • Operation : Disc Check Valves are opened by the pressure of the fluid and closed through compression spring a soon as flow stops thus preventing reverse flow.
  • Standard : Designed and Manufactured in accordance with BS 7438
  • Application : Air, Water, Light Oil, Gas, Light Chemical
  • Size Range : 1/4″ to 6″ Screwed / Flanged / Triclover End
Check Valves Manufacturer

Silent Features

  • Self centering type design.
  • Testing : As per API 598.
  • Available in 15 mm to 300 mm sizes
  • Extremely low operating pressure.
  • Zero leakage for soft seated valves
  • DCVs are simple to fit between tow pipe flanges.
  • Spring loaded disc to prevent reverse flow in pipe lines.
  • The valves can be fitted in any plane / direction in pipe lines.
  • Disc Check Valve is an advance design which gives full flow and occupies very less space than other type of Non Return Valve. This also available IBR Certificate in Form III C.
  • Compact Design of Valves flexibly accommodates various types of flange selection’s Stronger, lighter and smaller than conventional swing check valves, hence less expensive to install and maintain.

Technical Specifications :

PressureMaximum Operating Pressure 20 Bar
TemperatureMaximum Operating Temperature 300 OC
Flange Standard1. BS 10 Table D, E & H ( 65 NB & 80 NB will not be fitted between ‘E’ Flanges )
2. DIN : PN 6, 10, 16, 25, 40
3. JIS 5, 10, 16, 20 ( 40 NB, 50 NB, 80 NB & 100 NB will not be fitted between JIS 5 Flanges )

This Specification Wafer Type DCV

No.DescriptionMaterialQty.
01BodyWCB / CF8 / CF8M01
02DiscCF8M01
03RetainerCF8 / CF8M01
04SpringS. S. 304 / 31601
05StopperCF801
Check Valves Manufacturer

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This Specification Size 1/2″ to 1″ S/E

No.DescriptionMaterialQty.
01BodyCF8 / CF8M01
02ConnectorCF8 / CF8M01
03DiscS. S. 304 / 31601
04SpringSpring Steel01
05RetainerS. S. 30401
06Body SealPTFE01

This Specification Size 1.1/4″to 2″Lug Type Design

No.DescriptionMaterialQty.
01BodyCF8 / CF8M01
02ConnectorCF8 / CF8M01
03DiscS. S. 304 / 31601
04SpringSpring Steel01
05RetainerS. S. 30401
06Body SealPTFE01
07Hex BoltS. S. 30404
08Hex NutS. S. 30404
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Dimensions ( all dimensions are in MM )

Valve ModelValve Size Flow Factor (kvm³ / hr) L S/E L1 F/E B C DOrifice MM Weight (Approx.)
MMInch S/E F/E
A4ISD – 661/4″2.566130128.S17055.5160.8001.200
A4ISD – 10103/8″2.566130128.S17055.5160.8001.200
A4ISD – 15151/2″3.566130128.S17055.5160.8001.200
A4ISD – 20203/4″5.080150136175.565191.1001.600
A4ISD – 25251″11.09516015319581241.4002.150
A4ISD – 32321.1/4″13.0119180163.502079834.502.0003.300
A4ISD – 40401.1/2″20.0119200163.502079834.502.0003.300
A4ISD – 50502″38.0137230184.5229116452.9005.000
A4ISD – 65652.1/2″67.6172290201---142.S654.2007.500
A4ISD – 80803″97.6195310237.S---158725.90010.050
A4ISD – 1001004″---300350284.5---2069813.95018.850
A4ISD – 1501506″On Request

Dimensions (All Dimensions are in mm)

Valve ModelValve SizeFTHØAWeight
MMInchS / E
4M - DNRV – 15 – SD151/2″551/2″150.400
4M - DNRV – 20 – SD203/4″603/4″200.640
4M - DNRV – 25 – SD251″681″250.955
4M - DNRV – 32 – SD321.1/4″761.1/4″321.425
4M - DNRV – 40 – SD401.1/2″811.1/2″381.972
4M - DNRV – 50 – SD502″932″492.666

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Operating Pressure : In M Bar Diffferential Pressure With Zero Flow

15 MM20 MM25 MM40 MM50 MM65 MM80 MM100 MM125 MM150 MM200 MM250 MM
2525252829303133ON REQUEST
22.522.522.524.524.52525.526.5ON REQUEST
2020202020202020ON REQUEST

→ Indicates Flow Direction

The Valves can be installed, without spring in vertical pipe line with bottom to top flow, Where lowest opening pressures are required.


Without Spring

15 MM20 MM25 MM40 MM50 MM65 MM80 MM100 MM125 MM150 MM200 MM250 MM
2.52.52.53.544.55.56.5ON REQUEST

→ Indicates Flow Direction

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