Intervalve Cast Steel Gate Valve
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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 B16.34 / API 600 / IBR
ANSI B16.34
ASME B16.10 (upto 36'')
ASME B16.5 (upto 24'') / ASME 16.47 (above 24'')
ASME 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 |
Stem |
Body Seating Surface |
Wedge Seating Surface |
Back Seat |
1 |
F6 |
13% Cr Steel |
13% Cr |
13% Cr |
4 |
Hard F6 |
Hardfaced with 13% Cr Steel |
13% Cr |
Hardfaced with 13% Cr |
5 |
Hardfaced |
Hardfaced with Co-Cr-W Alloy |
13% Cr |
Hardfaced with Stellite 6 |
8 |
F6 & Hardfaced |
13% Cr Steel & Hardfaced with Co-Cr-W Alloy |
13% Cr |
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 |
Note: For the selection of suitable MOC for other media, consult factory.
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Sr. # |
Part Name |
1 |
Body |
2 |
Wedge |
3 |
Seat |
4 |
Stem |
5 |
Bonnet |
6 |
Hardwares |
7 |
Back Seat |
8 |
Packing |
9 |
Gland |
10 |
Gland Flange |
11 |
Yoke Sleeve / Stem Nut |
12 |
Yoke Sleeve Retainer |
13 |
Hand Wheel |
14 |
Hand Wheel Nut |
*15 |
Seal Ring |
*16 |
Retaining Ring |
*17 |
Bearing |
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The product designs are in accordance to ANSI B16.34 / API 600 / IBR with reliable sealing & sturdy construction to ensure excellent performance.
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Outside screw & yoke (OS & Y) construction.
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Back Seat arrangement to provide isolation of stuffing box for On-Line serviceability.
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All trim material available as per API 600.
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Pressure sealed bonnet for ASME #900 and above to provide excellent sealing against increased line pressure.
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Fully guided wedge to ensure proper alignment while seating.
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Full range of Body / Bonnet & Trim material.
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Valve Bypass / Deep stuffing box arrangement optionally available.
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Valves are available in Flange End & Butt Weld end connections (other connections can be provided on request).
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Gear / Electrical operator can be provided if required.
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Locking arrangement can be provided with hand wheel / gear operator, if required.
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Position indicator / limit switches for ON-OFF indication provided on request.
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