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The IVSCC 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 oil & gas, refineries, petrochemicals, fertilizers,
power plants and common utilities.
The valves can be provided with a motor operation wherever
required.
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. Option of end connection with host of flanged
ends and butt welded ends.
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Design
Pr. & Temp Rating
Face to Face & End to End Dimensions
Flange Ends
Butt Weld Ends
Testing
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ASME / ANSI B16.34 / BS 1868
/ IBR
ASME / ANSI B16.34
ANSI B16.10 (upto 24")
ASME / ANSI B16.5
ASME / ANSI B16.25
API 598 / EN 12266 PART 1 (BS 6755 PART 1)
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API TRIM NO. & SEAT HARDFACING
API 600
Trim No. |
Nominal Trim |
Material Type |
Seat |
Wedge |
Back Seat |
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1 |
F6 |
13% Cr Steel |
13% Cr |
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4 |
Hard F6 |
Hardfaced with 13% Cr Steel |
Hardfaced with 13% Cr |
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5 |
Hardfaced |
Hardfaced with Co-Cr-W Alloy |
Hardfaced with Stellite.6 |
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8 |
F6 & Hardfaced |
13% Cr Steel & Hardfaced with Co-Cr-W Alloy |
Stellite.6 |
13% Cr |
Stellite.6/
13% Cr |
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Note : Other Trim Materials
are also available as per API 600, on request |
Recommended Body/Bonnet & Trim Material For High Temperature
Services (Water/Steam)
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Temperature |
Body / Bonnet Materials |
API Trim No. |
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Up to 800 0F
(427 0C) |
A 216Gr.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 |
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Above 1000 0F
(540 0C) |
A 217 Gr.WC6, A 217 Gr.WC9 |
5 |
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Sr. # |
Part
Name |
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1 |
Body |
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2 |
Seat |
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3 |
Disc |
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4 |
Hinge |
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5 |
Bracket |
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6 |
Cover |
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7 |
Hardware |
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8* |
Pr. Seal Bonnet |
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9* |
Seal Ring |
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The product designs are in accordance to ANSI B16.34 /
BS1868 / IBR with reliable sealing & sturdy construction
to ensure excellent performance.
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Suitable for the horizontal & vertical pipe runs.
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"NON-SLAM" arrangement i.e. Dash Pot arrangement can be
provided.
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Stellite Gr.6 Hardfaced seating surfaces for Class 600
& above, optionally available for lower Pr. classes too.
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Pressure sealed bonnet for ANSI#900 and above to
provide excellent sealing against increased line pressure.
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Full range of Body / Cover / Bonnet & Trim material.
- Valves are available in both Flange End & Butt Weld
ends.
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