对夹式衬**蝶阀D71F4 D71F46
一、手动对夹式衬**蝶阀概述
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D71F46系列中线蝶阀采用对分两片式阀体组合，阀座与阀体内衬一体化，阀门工作时，只有**塑阀座与衬塑蝶板与介质接触，阀门可承受衬里材料介绍的介质腐蚀，采用四极密封结构并在密封面处配以耐温抗老化的SI橡胶的弹性衬垫，**达到介质的零泄漏。
二、手动对夹式衬**蝶阀主要外形和连接尺寸
|
公称通经 |
L |
D |
D1 |
D2 |
f |
b |
Z-φd | |
|
DN(mm) |
NPS(inch) |
PN1.0MPa | ||||||
|
40 |
3/2 |
33 |
145 |
110 |
85 |
3 |
18 |
4-φ18 |
|
50 |
2 |
43 |
160 |
125 |
100 |
3 |
20 |
4-φ18 |
|
65 |
5/2 |
46 |
180 |
145 |
120 |
3 |
20 |
4-φ18 |
|
80 |
3 |
49 |
195 |
160 |
135 |
3 |
22 |
4-φ18 |
|
100 |
4 |
56 |
215 |
180 |
155 |
3 |
22 |
8-φ16 |
|
125 |
5 |
64 |
245 |
210 |
185 |
3 |
24 |
8-φ18 |
|
150 |
6 |
70 |
280 |
240 |
210 |
3 |
24 |
8-φ23 |
|
200 |
8 |
71 |
335 |
295 |
265 |
3 |
26 |
8-φ23 |
|
250 |
10 |
76 |
390 |
350 |
320 |
3 |
28 |
12-φ23 |
|
300 |
12 |
83 |
440 |
400 |
368 |
4 |
28 |
12-φ23 |
|
350 |
14 |
92 |
500 |
460 |
428 |
4 |
30 |
16-φ23 |
|
400 |
16 |
102 |
565 |
515 |
482 |
4 |
32 |
16-φ25 |
|
450 |
18 |
114 |
615 |
565 |
532 |
4 |
32 |
20-φ25 |
|
500 |
20 |
127 |
670 |
620 |
585 |
4 |
34 |
20-φ25 |
|
600 |
24 |
154 |
780 |
725 |
685 |
5 |
36 |
20-φ30 |
|
700 |
28 |
165 |
895 |
840 |
800 |
5 |
40 |
24-φ30 |
|
800 |
32 |
190 |
1010 |
950 |
905 |
5 |
44 |
24-φ34 |
|
900 |
36 |
203 |
1110 |
1050 |
1005 |
5 |
46 |
28-φ34 |
|
1000 |
40 |
216 |
1220 |
1160 |
1115 |
5 |
50 |
28-φ34 |
|
1200 |
48 |
254 |
1450 |
1380 |
1325 |
5 |
56 |
32-φ41 |
|
PN1.6MPa | ||||||||
|
40 |
3/2 |
33 |
145 |
110 |
85 |
3 |
18 |
4-φ18 |
|
50 |
2 |
43 |
160 |
125 |
100 |
3 |
20 |
4-φ18 |
|
65 |
5/2 |
46 |
180 |
145 |
120 |
3 |
20 |
4-φ18 |
|
80 |
3 |
49 |
195 |
160 |
135 |
3 |
22 |
8-φ18 |
|
100 |
4 |
56 |
215 |
180 |
155 |
3 |
24 |
8-φ18 |
|
125 |
5 |
64 |
245 |
210 |
185 |
3 |
26 |
8-φ18 |
|
150
| ||||||||
