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，只有全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，完全达到介质的零泄漏。
手动对夹式衬氟蝶阀主要外形和连接尺寸
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公称通经
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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
|
6
|
70
|
280
|
240
|
210
|
3
|
28
|
8-φ23
|
|
200
|
8
|
71
|
335
|
295
|
265
|
3
|
30
|
12-φ23
|
|
250
|
10
|
76
|
405
|
355
|
320
|
3
|
32
|
12-φ25
|
|
300
|
12
|
83
|
460
|
410
|
375
|
4
|
34
|
12-φ25
|
|
350
|
14
|
92
|
520
|
470
|
435
|
4
|
38
|
16-φ25
|
|
400
|
16
|
102
|
580
|
525
|
485
|
4
|
40
|
16-φ30
|
|
450
|
18
|
114
|
640
|
585
|
545
|
4
|
44
|
20-φ30
|
|
500
|
20
|
127
|
705
|
650
|
608
|
4
|
46
|
20-φ34
|
|
600
|
24
|
154
|
840
|
770
|
718
|
5
|
54
|
20-φ41
|
|
700
|
28
|
165
|
910
|
840
|
788
|
5
|
54
|
24-φ41
|
|
800
|
32
|
190
|
1020
|
950
|
898
|
5
|
54
|
24-φ41
|
|
900
|
36
|
203
|
1120
|
1050
|
998
|
5
|
54
|
28-φ41
|
|
1000
|
40
|
216
|
1255
|
1170
|
1110
|
5
|
60
|
28-φ48
|
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