- ISO 9001
Certified
- Qualified
Expert Professional
GATE VALVE
Size Range
| CLASS RATING | SIZE RANGE |
| 150 | 15mm to 1000mm |
| 300 | 15mm to 600mm |
| 600 | 50mm to 450mm |
| TESTING STANDARD | DESIGN STANDARD | OPERATING DATA | TESTING PRESSURE IN BAR | #150 | #300 | #600 |
| API 598 /ASME B16.34 | API 600/API6D/ASME B 16.34 | Pressure range up to 104 bar (1480 PSI) 0 Temperature range up to +593 C/1100 F |
HYDRO SHELL |
30 | 77 | 155 |
| HYDRO SEAT | 22 | 57 | 113 | |||
| AIR SEAT | 7 | 7 | 7 |
| COMPONENTS | MATERIALS |
| BODY & BONNET | ASTM A216 Gr. WCB, A217 Gr. WC6 / WC9 / C5 / C12, A352 Gr. LCB, A351, Gr. CF8 / CF8M / CF3 / CF3M |
| WEDGE & SEAT RING | ASTM A217 Gr. Ca15 or WCB + 13% Cr. Facing, WC6, + Stellited, A351 Gr. CF8 / CF8M / CF3 / CF3M |
| STEM, GLAND & BONNET BUSH | ASTM A276 TYPE 410 / 304 / 316 |
| YOKE SLEEVE | Ni-Resist ASTM A439 Gr.D2 |
| GLAND PACKING | Premoulded Grafoil rings / Braided Non asbestos rings / PTFE |
| GASKET | Spiral Wound 304 / 306 with CAF / Graphite / PTFE filled |
| STUD / NUT | ASTM A193 Gr. B7/ B16 / B8 / B8M / A194 Gr. 2H / 7 / 8 / 8M |
| HAND WHEEL | Carbon Steel / S.G. Iron |
| Surface Protection for Carbon steel Valves | Prime Coat : Chlorine free with modified alkyd resin unobjectionable in physiological and toxicological respects. Additional External Coating : Silver Streak aluminium Paint |
* CS/Alloy Steel wedges and Seatrings will be over layed with 13% Chrome or Stellite 6 As per customer specifications.
* Optional Features : Jacketed, Bypass arrangement, Locking arrangement, Stem extensions, IBR, Cryogenic & other as per customer requirement.
* Due to continuous developments we reserve the right to change specifications without notice.