TEKO Industry Co., Limited
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ASTM A216 GR WCB Wedge Gate Valve For WOG Flange Weld End
About Gate Valve
The gate valves are used as the closing valves for:
-noncorrosive fluids
-saturated steam
-oil
-air
- petroleum and petroleum products
The TEKO gate valves are designed as per ASME B16.34
Ambient temperature from -50℃ to 50℃
Application in other working conditions please consult our people
Dependence of pressure on temperature according to ASME B16.34
Technical description
Construction
The construction of steel gate valves of TEKO corresponds to API600 and BS1414. Gate valve are yoke, flanged or welded with unnarrow flow rate and with flexible or fixed wedge. Bodies, covers and yokes are cast. Wedges could be forged or cast. All wedges are guided. Sealing seats are bolted or welded into body. Overlays in seats depends on Trim.
Material:
The gate valve are supplied in WCB, CF8, CF8M, LCC, LCB, WC6, WC9. Other materials are also available.
Installation
The yoke gate valve can be installed at any positions into the pipeline.
Testing
The gate valves are subjected to pressure tests according to standard API598. Both on shell and seat testing.
Basic Standard for construction
| Basic Standard | API600 |
| Design | ASME B16.10 |
| Flange End |
ASME B16.5(24“ and below) ASME B16.47 (28” and above) |
| Welded End | ASME B16.25 |
| Testing | API 598 |
| Temperature Pressure rating | ASME B16.34 |