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| 美国威兰公司小型锻钢闸阀,截止阀和止回阀 Velan Small Forged Steel Gate, Globe & Check Valves |
| 如何订购 How To Order |
锻钢止回阀 普通阀口 FORGED STEEL CHECK VALVES CONVENTIONAL PORT OPENING |
美国威兰阀门公司 |
| DN8 - DN50活塞、球形或旋启式,ASME 800,1500磅级 螺纹或承插焊接、法兰连接,ASME 150,300,600,1500磅级 1/4–2" (8–50 mm) PISTON, BALL OR SWING TYPE ASME CLASSES 800, 1500 THREADED OR SOCKET WELD FLANGED ASME CLASSES 150, 300, 600, 1500 |
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| 螺栓盖活塞、球形和旋启式止回阀尺寸 BOLTED COVER PISTON, BALL AND SWING CHECK DIMENSIONS |
| 通径 Size in mm |
A 端口 Port |
B 端对端 End to End |
C 中心到顶部螺栓 Center to Top Bolts |
K 承插 焊接 Socket Weld |
L 承插 焊接 Socket Weld |
法兰 面到面 Flanged Face to Face |
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| 活塞和球形 Piston & Ball |
旋启式 止回阀 Swing Check |
活塞和球形 Piston & Ball |
旋启式 止回阀 Swing Check |
活塞和球形 Piston & Ball |
旋启式 止回阀 Swing Check |
活塞、球形 和旋启式止回阀 Piston, Ball & Swing Check |
活塞、球形 和旋启式止回阀 Piston, Ball & Swing Check |
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| 800 | 1500 | 800 | 1500 | 800 | 1500 | 800 | 1500 | 800 | 1500 | 800 | 1500 | 内径 Bore |
深度 Depth |
150 | 300 | 600 | 1500 | |
| 1/4 8 |
0.31 7.8 |
0.50 12.7 |
- | - | 2.88 73 |
4.00 102 |
- | - | 1.90 48 |
2.70 68 |
- | - | 0.555 14.10 |
0.38 10 |
4.00 102 |
- | - | - |
| 3/8 10 |
0.31 7.8 |
0.50 12.7 |
- | - | 2.88 73 |
4.00 102 |
- | - | 1.90 48 |
2.70 68 |
- | - | 0.690 17.53 |
0.38 10 |
4.00 102 |
- | - | - |
| 1/2 15 |
0.31 7.8 |
0.50 12.7 |
0.50 12.7 |
0.50 12.7 |
2.88 73 |
4.00 102 |
3.50 89 |
6.00 152 |
1.90 48 |
2.70 68 |
2.50 64 |
3.70 94 |
0.855 21.72 |
0.38 10 |
4.25 108 |
6.00 152 |
6.50 165 |
8.50 216 |
| 3/4 20 |
0.50 12.7 |
0.50 12.7 |
0.50 12.7 |
0.50 12.7 |
3.25 83 |
5.00 127 |
3.50 89 |
6.00 152 |
2.30 58 |
2.90 74 |
2.50 64 |
3.70 94 |
1.065 27.05 |
0.50 13 |
4.62 117 |
7.00 178 |
7.50 191 |
9.00 229 |
| 1 25 |
0.75 19.1 |
0.75 19.1 |
0.75 19.1 |
0.75 19.1 |
3.50 89 |
6.00 152 |
5.00 127 |
6.00 152 |
2.60 66 |
3.50 89 |
3.50 89 |
3.70 94 |
1.330 33.78 |
0.50 13 |
5.00 127 |
8.50 216 |
8.50 216 |
10.00 254 |
| 11/4 32 |
1.25 31.8 |
1.25 31.8 |
1.25 31.8 |
1.25 31.8 |
5.00 127 |
7.00 178 |
5.25 133 |
7.00 178 |
3.70 94 |
4.20 107 |
3.40 86 |
3.70 94 |
1.675 42.55 |
0.50 13 |
5.50 140 |
9.00 229 |
9.00 229 |
11.00 279 |
| 11/2 40 |
1.25 31.8 |
1.25 31.8 |
1.25 31.8 |
1.25 31.8 |
5.00 127 |
7.00 178 |
5.25 133 |
7.00 178 |
3.70 94 |
4.20 107 |
3.40 86 |
3.70 94 |
1.915 48.64 |
0.50 13 |
6.50 165 |
9.50 241 |
9.50 241 |
12.00 305 |
| 2 50 |
1.50 38.1 |
1.50 38.1 |
1.50 38.1 |
1.50 38.1 |
8.00 203 |
9.00 229 |
6.00 152 |
9.00 229 |
4.80 122 |
5.40 137 |
4.30 109 |
5.20 132 |
2.406 61.11 |
0.63 16 |
8.00 203 |
10.50 267 |
11.50 292 |
14.50 368 |
| (1) 300,600和1500磅级的旋启式止回阀面到面尺寸与活塞式和球形止回阀相同,如果需要150磅级的旋启式止回阀尺寸,请与我们联系。 For swing check valves Classes 300, 600 and 1500 face-to-face dimensions are the same as for piston and ball check valves, for Class 150 swing check valves contact the factory. |
| 无盖旋启式止回阀尺寸(800磅级) COVERLESS SWING CHECK DIMENSIONS (CLASS 800) |
800磅级,1975 psi @ 37oC 1500磅级,3705 psi @ 37oC CLASS 800 1975 psi @ 100°F CLASS 1500 3705 psi @ 100°F |
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