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VALVES |
SPECIFICATIONS |
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| Class/Pressure Rating | Test Pressure | |||||
| Body (HYD.) |
Seat | |||||
| HYD. | AIR | |||||
| CLASS 150 | 30 Bar | 22 Bar | 6.9 Bar | |||
| PN-40 | 60 Bar | 40 Bar | 6.9 Bar | |||
| Size Range | : All sizes from 1 - 1/2" to 12" | |||||
| Product Std. | : Class 150 0f BS: 1868 or PN-40 of BS: 5160. | |||||
| Material | : Carbon Steel to ASTMA 216 Gr WCB. ..Other grades of materials can be provided on request. |
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| Trim | : Stainless Steel (Type 410, 304 or 316) as required.
..13% Cr. trim, valves shall have hardness differential of 50 BHN, at ..seating portions subject to a minimum harness of 250 BHN. The seat ..faces can also be deposited with Co-Cr-A alloy (Stellite-6 or eqv.) in ..which case minimum 350 BHN hardness is maintained. |
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| End Details | : (i) Flanged : as per CL-150 of ASME-16.5 or PN-40 of BS: 4504.
..(ii) BUTT WELDED : as per ANSI 16.25 as per relevant class of ......ASME 16.34 |
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| Pressure Temp. Rating | : Pressure Temperature ratings shall be as per relevant class of
..ASME 16.34, / BS:5160. |
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| Optional Features | : Valves can be provided with resilient seats also. | |||||
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