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The IVGTC range of gate valves incorporates state of the
art design features to provide a rugged construction, reliable
operation and long life; Suitable for the just benign to most
belligerent applications covering all the process industries
including oil & gas, refineries, petrochemicals,
fertilizers, power plants and common utilities. An ideal valve
for the flow isolation and ON/OFF duty.
The high pressure range incorporates a pressure sealed
bonnet design for reliable sealing. The valves are available
in flanged or butt welded end connection. Valves can be
provided with special features like water sealed gland for
vacuum service, bypass arrangements for pressure balancing,
special cleaning for oxygen service, multi start spindle for
low effort operation, extended spindle for pit
mounted / buried service, NACE compliant materials for sour
service in petroleum industries, etc.
The valves can be provided with motor operation wherever
required.
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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 / API 600
/ 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 |
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 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 |
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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 |
Wedge |
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3 |
Seat |
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4 |
Stem |
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5 |
Bonnet |
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6 |
Hardwares |
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7 |
Back
Seat |
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8 |
Gland |
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9 |
Gland
Flange |
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10 |
Yoke
Sleeve / Stem Nut |
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11 |
Yoke
Sleeve Retainer |
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12 |
Hand
Wheel |
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13 |
Hand
Wheel Nut |
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14 |
Seal
Ring |
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15 |
Retaining Ring |
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16 |
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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OS & Y (Outside screw & yoke)
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Back Seat arrangement to provide isolation of Stuffing
Box for On-Line serviceability.
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Fully Nitrided stem to provide erosion and abrasion
resistance.
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Stellite Gr.6 Hard faced 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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Fully guided Wedge to ensure proper alignment while
seating.
- Deep Stuffing Box.
- Full range of Body / Bonnet & Trim material.
- Valve Bypass arrangements is optionally available.
- Valves are available both in Flange End & Butt Weld
ends.
- Gear / Electrical operator can be provided if required.
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