Cast Steel Swing Check Valve.

Cast Steel Swing Check Valve.

Key Features
  • The product designs are in accordance to ASME B16.34 / BS 1868 / IBR with reliable sealing & sturdy construction to ensure excellent performance.
  • Suitable for the horizontal & vertical pipe runs”NON-SLAM” arrangement i.e. Dash Pot arrangement can be provided on request.
  • All trim material available as per API 600.
  • Pressure sealed bonnet for ASME #900 and above to provide excellent sealing against increased line pressure.
  • Full range of Body / Cover / Bonnet & Trim material available.
  • Valves are available in flange end & butt weld end connections (other end connections can be provided on request).

The IVSCV range of check valves offers optimum solution for back flow prevention in liquid and gas lines. Our special design feature provides a rugged construction, reliable operation and long service life. The valve finds applications in various segments of the process industries covering chemical, petrochemicals, pharma, steel, alumina,  power plants and common utilities.

The design offers a low pressure drop operation, which makes the valve more energy efficient. Pressure sealed bonnet design is incorporated for high pressure applications for reliable sealing. Valve can be provided with a external dashpot arrangement to provide non-slam operation, ideal to prevent water hammer.

Applicable standards

Pr. & Temp Rating
Face to Face & End to End Dimensions
Flange Ends
Butt Weld Ends
Testing & Inspection
ASME B16.34 / BS 1868
ANSI B16.34
ANSI B16.10 (upto 24″)
ASME B16.5
ASME B16.25
API 598 / EN 12266 PART 1 (BS 6755 PART 1)

Technical Specifications


API 600
Trim No.

Nominal Trim

Material Type

Body Seating Surface

Wedge Seating Surface

Back Seat



13% Cr
13% Cr


Hard F6

Hardfaced with 13% Cr Steel
Hardfaced with 13% Cr



Hardfaced with Co-Cr-W Alloy
Hardfaced with Stellite 6


F6 & Hardfaced

13% Cr Steel & Hardfaced with Co-Cr-W Alloy

Stellite 6

13% Cr

Stellite 6 / 13 % Cr

Recommended Body/Bonnet & Trim Material For High Temperature Services (Water/Steam)

Temperature Body / Bonnet Materials API Trim No.
Up to 800 0F
(427 0C)
A 216 Gr. WCB, A 217 Gr. WC6, A 217 Gr. WC9 1, 4, 5, 8
Above 800 0F
(427 0C)
& Up to 1000 0F
(540 0C)
A 217 Gr.WC6,
A 217 Gr.WC9
5 & 8
Above 1000 0F
(540 0C)
A 217 Gr.WC6, A 217 Gr.WC9 5

Sr. #
1 Body
2 Seat
3 Disc
4 Hinge
5 Bracket
6 Cover
7 Hardware
8* Pr. Seal Bonnet
9* Seal Ring

Material Diagrams

Sizes / Dimensions