|
CAST IRON DUAL DOOR CHECK VALVE 铸铁止回阀
FOR BS 4504 PN16 FLANGE MOUNTING 法兰规格符合英标 BS 4504 PN16 FACE TO FACE DIMENSION TO ISO 5752-82 阀门长度符合 ISO 5752-82
| Working Pressure 工作压力 |
16 bar (DN50~600)
10 bar (DN700~800) |
| Testing Pressure 测试压力 |
Shell 阀体 : 24 bar (DN50~600)
15 bar (DN700~800)
Seat 阀座 : 17.6 bar (DN50~600)
11 bar (DN700~800) |
| Working Temperature 工作温度 |
-10 °C to 120 °C (EPDM Seat)
-10 °C to 80 °C (NBR Seat) |
| Suitable Media 介质 |
Water, Oil & Gas 水/油/气体 | 
| Part 部件 |
Material 材质 |
BS |
| Body 阀体 |
Cast Iron灰铸铁
Ductile Iron 球墨铸铁 |
|
| Disc 阀板 |
Ductile Iron 球墨铸铁
Aluminum Bronze 铝青铜
Stainless Steel 304 不锈钢304
Stainless Steel 316 不锈钢316 |
|
| Spring 弹簧 |
Stainless Steel 316 不锈钢316 |
|
| Shaft 阀杆 |
Stainless Steel 316 不锈钢316 |
|
| Seat Ring 阀座 |
EPDM NBR |
|
| DIMENSIONS 口径尺寸 |
|
| |
| Size |
A |
B |
C |
D |
Size |
A |
B |
C |
D |
| mm |
mm |
mm |
mm |
mm |
mm |
Mm |
mm |
mm |
mm |
| 50 |
43 |
106 |
29 |
19 |
300 |
114 |
382 |
149 |
43 |
| 65 |
46 |
126 |
36 |
20 |
350 |
127 |
442 |
173 |
45 |
| 80 |
64 |
141 |
42 |
28 |
400 |
140 |
494 |
198 |
52 |
| 100 |
64 |
161 |
53 |
27 |
450 |
152 |
554 |
218 |
58 |
| 125 |
70 |
191 |
64 |
30 |
500 |
152 |
616 |
241 |
58 |
| 150 |
76 |
217 |
77 |
31 |
600 |
178 |
733 |
296 |
73 |
| 200 |
89 |
272 |
102 |
33 |
700 |
229 |
800 |
354 |
98 |
| 250 |
114 |
327 |
127 |
50 |
800 |
241 |
930 |
404 |
100 | |
 |
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