Forged Steel Gate Valve
Medium pressure gate valve (gate valve) is the opening and closing parts of the gate plate, the movement direction of the gate plate is perpendicular to the direction of the fluid, the gate valve can only be fully open and closed, can not be adjusted and throttled. The gate has two sealing faces. The most common model gate valves have two sealing faces that form a wedge. The wedge Angle varies with valve parameters and is usually 50 or 2°52' for moderate medium temperatures. Wedge gate valve disc can be made into a whole, called rigid gate; It can also be made into a gate that can produce slight deformation to improve its technology and compensate for the deviation of sealing face Angle in the process of processing. This gate is called an elastic gate.
Application Standards
1. Design and manufacture conform to:
API602. Bs5352. ANSI B16.34;
2. Connection ends conform to:
1) Socket welded dimension conform to ANSI B16.11; JB/T1751
2) Screw ends dimension conform to ANSI B1.20.1; JB/T7306
3) Butt-welded conform to ANSI B16.25; JB/T12224
4) Flanged ends conform to ANSI B16.5; JB79
3. Test and inspection conform to: API598; GB/T 13927; JB/T 9092
4. Structure features:
Bolted bonnet, outside screw and yoke(OS&Y)
Welded bonnet, outside screw and yoke(OS&Y)
5. Materials conform to ANSI/ASTM
6. Main marerials:
A105, LF2, F5, F11, F22, 304(L), 316(L), F347, F321, F51, Monel, Alloy, etc
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| Specifications |
| Applicable Standards |
|
| Design |
ASME B16.34, API6D |
| Fire safe |
API 607 |
| Anti static |
API 608, API6D |
| Face to face |
ASME B16.10, API6D |
| Welding ends |
ASME B16.25 |
| Inspection and test |
API 598, API 6D |
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