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法兰,螺口,承插止回阀规格尺寸表：
公称通径
DN(mm) |
法兰式尺寸 (mm) |
螺口式尺寸 (mm) |
公称通径
DN(mm) |
承插式尺
寸 (mm) |
工作压力
Mpa |
| D2 |
D1 |
L |
b |
N- φ |
ZG |
L |
L1 |
L |
L1 |
| 15(1/2") |
95 |
65 |
120 |
14 |
4-14 |
ZG1/2" |
140 |
15 |
20 |
140 |
15 |
0.6 |
| 20(3/4) |
105 |
75 |
120 |
14 |
4-14 |
ZG3/4" |
163 |
17 |
25 |
168 |
17 |
0.6 |
| 25(1) |
115 |
85 |
130 |
16 |
4-14 |
ZG1" |
189 |
20 |
32 |
189 |
20 |
0.6 |
| 32(11/4") |
135 |
100 |
144 |
17 |
4-18 |
ZG11/4" |
210 |
23 |
40 |
210 |
23 |
0.6 |
| 40(11/2) |
145 |
110 |
163 |
18 |
4-18 |
ZG11/2" |
233 |
25 |
50 |
233 |
25 |
0.6 |
| 50(2) |
160 |
125 |
188 |
20 |
4-18 |
ZG2" |
280 |
28 |
63 |
280 |
28 |
0.6 |
| 65(21/2) |
180 |
140 |
220 |
22 |
4-18 |
ZG21/2" |
301 |
32 |
75 |
301 |
32 |
0.6 |
| 80(3) |
195 |
160 |
250 |
25 |
4-18 |
ZG3" |
371 |
32 |
90 |
371 |
32 |
0.6 |
| 100(4) |
215 |
180 |
280 |
25 |
8-18 |
ZG4" |
504 |
45 |
110 |
504 |
45 |
0.6 |
| 125(5) |
245 |
210 |
320 |
30 |
8-18 |
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0.5 |
| 150(6) |
280 |
240 |
360 |
30 |
8-23 |
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0.4 |
| 200(8) |
335 |
295 |
400 |
35 |
8-23 |
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0.4 | |
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