对夹式止回阀 对夹双瓣旋启式止回阀、长系列对夹单瓣旋启式止回阀、对夹蝶式止回阀阀体的结构长度
公称尺寸 DN |
公 称 压 力 PN |
||||||||
≤10、16、20 |
25、40、50 |
63 |
100、110 |
150、160 |
250、260 |
320、400、420 |
|||
系列1 |
系列2 |
系列1 |
系列2 |
||||||
结 构 长 度/mm |
|||||||||
50 |
60 |
43 |
60 |
43 |
60 |
60 |
70 |
70 |
70 |
65 |
67 |
46 |
67 |
46 |
67 |
67 |
83 |
83 |
83 |
80 |
73 |
64 |
73 |
64 |
73 |
73 |
83 |
83 |
86 |
100 |
73 |
64 |
73 |
64 |
79 |
79 |
102 |
102 |
105 |
125 |
86 |
70 |
86 |
70 |
105 |
105 |
110 |
110 |
110 |
150 |
98 |
76 |
98 |
76 |
136 |
136 |
159 |
159 |
159 |
200 |
127 |
89 |
127 |
89 |
165 |
165 |
206 |
206 |
206 |
250 |
146 |
114 |
146 |
114 |
213 |
213 |
241 |
248 |
254 |
300 |
181 |
114 |
181 |
114 |
229 |
229 |
292 |
305 |
305 |
350 |
184 |
127 |
222 |
127 |
273 |
273 |
356 |
356 |
— |
400 |
191 |
140 |
232 |
140 |
305 |
305 |
384 |
384 |
— |
450 |
203 |
152 |
264 |
152 |
362 |
362 |
451 |
468 |
— |
500 |
219 |
152 |
292 |
152 |
368 |
368 |
451 |
533 |
— |
600 |
222 |
178 |
318 |
178 |
394 |
438 |
495 |
559 |
— |
650 |
356 |
— |
356 |
— |
— |
457 |
523 |
— |
— |
700 |
381 |
229 |
381 |
229 |
460 |
483 |
572 |
— |
— |
750 |
305 |
— |
368 |
— |
460 |
505 |
635 |
— |
— |
800 |
356 |
241 |
406 |
241 |
533 |
533 |
660 |
— |
— |
900 |
368 |
241 |
483 |
241 |
635 |
635 |
718 |
— |
— |
1000 |
432 |
300 |
546 |
300 |
660 |
660 |
762 |
— |
— |
1050 |
432 |
— |
568 |
— |
701 |
701 |
787 |
— |
— |
1200 |
524 |
350 |
629 |
350 |
— |
787 |
— |
— |
— |
1350 |
591 |
— |
718 |
— |
— |
889 |
— |
— |
— |
1400 |
591 |
— |
718 |
— |
— |
889 |
— |
— |
— |
1500 |
660 |
— |
838 |
— |
— |
991 |
— |
— |
— |
1600 |
787 |
— |
— |
— |
— |
— |
— |
— |
— |
1650 |
787 |
— |
— |
— |
— |
— |
— |
— |
— |
1800 |
851 |
— |
— |
— |
— |
— |
— |
— |
— |
1950 |
927 |
— |
— |
— |
— |
— |
— |
— |
— |
2000 |
927 |
— |
— |
— |
— |
— |
— |
— |
— |
2100 |
1041 |
— |
— |
— |
— |
— |
— |
— |
— |
注1:对于有两个系列的结构长度数据,优先采用系列1尺寸。 注2:公称尺寸不小于DN1 350 的结构长度数据,仅适用于对夹双瓣旋启式止回阀。 |
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