CHECK VALVE

Check valve

A check valve normally allows fluid to flow through it in only one direction. They are two-port valves. They are work automatically and most are not controlled by a person or any external control. They are installed both onshore and offshore, in cryogenic and water treatment services, in oil & gas and power generation plants.

Valve design

based on API 6D, API 594, API 602, BS 1868, BS 5352 and customer requirements

Temperature range

-101 to 350°C

Size

NPS 2- 52

Pressure rating

ASME 150 - ASME 2500

Face-to-face

As per ASME API 594, API 6D, B1610 standard

End connections

RF, RTJ as per B16.5, B16.47
BW, Butt Welded as per B16.25
Wafer Type | Lug Type
SW, Socket Welded as per B16.11

Body design

Forged or cast one-piece

Seat design

Metal-seated with hard facing on Disc and Seats
Soft seat

Features

Anti-Static Device
Bolted Cover, Pressure seal Cover
Non slam
Through Conduit

Disc type

-101 to 350°C

Testing & certifications:

Compliance with API 6D & API 598 inspection and testing  | Compliance with API 6A inspection and testing  | Fire safe and fire tested as per API 6FA

Through Conduit Swing type:

Size: NPS 2"~52" | Pressure Rating: ASME | Class150~2500 | Body material: Carbon steel, Stainless steel, Alloy steel, Duplex stainless steel, AL Bronze | End connection: RF, BW, RTJ | Materials according to NACE MR 01.75.

Wafer Type: Size:

NPS 2"~52" | Pressure Rating: ASME Class150~2500 | Body material: Carbon steel, Stainless steel, Alloy steel, Duplex stainless steel, AL Bronze | End connection: double flange, Wafer, Lug type, Wafer Lug | Materials according to NACE MR 01.75.

Lifting type:Size:

 UP to 2" | Pressure Rating: ASME Class150~2500 | Body material: Carbon steel, Stainless steel, Alloy steel, Duplex stainless steel, AL Bronze | End connection: SW, NPT, FE | Materials according to NACE MR 01.75.

Non slam check valve :

Size: NPS 2"~52" | Pressure Rating: ASME Class150~2500 | Body material: Carbon steel, Stainless steel, Alloy steel, Duplex stainless steel, AL Bronze | End connection: double flange, Wafer, Lug type, Wafer Lug | Materials according to NACE MR 01.75.

Cryogenic :

Size: NPS 2"~30" | Pressure Rating: ASME Class150~1500 | Body material: Carbon steel, Stainless steel, Alloy steel, Duplex stainless steel, AL Bronze | End connection: BW, double flange, Wafer, Lug type, Wafer Lug, SW, NPT | Materials according to NACE MR 01.75.

Pressure Seal Cover:

 Size: NPS 2"~30" | Pressure Rating: ASME Class900~2500 | Body material: Carbon steel, Stainless steel, Alloy steel, Duplex stainless steel, AL Bronze | End connection: BW, FE | Materials according to NACE MR 01.75.

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