The IVGTC range of gate valves incorporates state-of-the-art design features to provide a rugged construction, reliable operation, and long life. The valves are suitable for normal services to most demanding applications covering all segments of the process industries including oil & gas, refineries, petrochemicals, pharma, steel, alumina power plants, and common utilities. An ideal valve for the flow isolation and ON / OFF duty.
Our valves can be provided with special features like a 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/bonnet for pit mounted / low-temperature service & NACE compliant materials for sour service in petroleum industries, etc.
The valves can be provided with motor operation wherever required. The high-pressure range incorporates a pressure-sealed bonnet design for reliable sealing.
Technical Specifications
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 |
 | 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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