Bolted bonnet gate valve
Description:
Bolt Bonnet, OS&Y, Our electric gate valves are primarily used for stop valves fully pened or fully closed, ASME B16.5 Flanged or Butt-Welding Ends, Bolted Bonnet, One-Piece Flexible or Solid Wedge Gate, Full Port, Outside Screw and Yoke, Integral Body Seats or Separate Seat Rings (Threaded or Welded In Place).
Operation: handwheel and bevel gear, multi-turn motor, hydraulic, pneumatic etc.
Standard specification
Wedge cast steel gate valve to API 600 / BS 1414 / ISO 10434
Through-conduit gate valve (flat-plate gate valve) to API 6D;
Stainless steel gate valve to API 603 or API 600;
Inspection and Test: API 598 / API 6D / BS 6755-1 / ISO 10434
End flange dimension: ASME B 16.5 ( for NPS≤24);
ASME B 16.47 series B, API605 or ASME B 16.47 series A, MSS SP-44(for NPS>24).
BW end dimension: ASME B 16.25.
Socket-weld dimension: ASME B 16.11.
Face to face and end to end:ASME B 16.10.
Pressure-temperature ratings:ASME B 16.34.
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• ANSI Class 150 : 2" to 48"
• ANSI Class 300 : 2" to 36"
• ANSI Class 600 : 2" to 36"
• ANSI Class 900 : 2" to 24"
• ANSI Class 1500 : 2" to 24"
• ANSI Class 2500 : 2" to 16"
• Shell Materials : Carbon Steels ASTM A216 Grades WCB and WCC
Alloy Steels ASTM A217 Grades WC1, WC6, WC9 and C5
Impact-Tested Carbon-Manganese Steels ASTM A352 Grades LCB and LCC
Corrosion-Resistant Steels ASTM A351 Grades CF3, CF3M, CF8 and CF8M
Duplex ASTM A890 Grade 4A
Performance specification for electric gate valve
Technical Specification |
ANSI Class (Lbs) |
|||||||
150 |
300 |
400 |
600 |
900 |
1500 |
2500 |
||
Test Pressure (MPA) |
Shell Test |
2.94 |
7.67 |
10.2 |
15.3 |
22.98 |
38.3 |
63.83 |
BackSeat Test |
2.16 |
5.62 |
7.48 |
11.23 |
16.85 |
28.08 |
46.81 |
|
Seal Test |
2.16 |
5.62 |
7.48 |
11.23 |
16.85 |
28.08 |
46.81 |
|
Air Test |
0.55+/-0.07 |
Applicable temperature: -196 C degree to 600 C degree
Note: please choose different materials for different working conditions.
Application: Common type: water, steam, oil, liquid gas, natural gas etc
Anti-sulphur type: gas oil etc which contains H2S, Co composition