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法兰式衬氟蝶阀概述
法兰式衬氟蝶阀法兰式对接结构，阀体、阀座与阀芯内衬一体化，阀门工作时，只有阀体内衬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，具有严密的密封性能，超长的使用寿命。
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序号
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零件名称
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灰铸铁
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铸钢
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不锈耐酸铸钢
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超低碳不锈耐酸铸钢
|
|
Z
|
C
|
P
|
R
|
PL
|
RL
|
|
1
|
阀体/阀盖
|
HT250
|
WCB
|
CF8
|
CF8M
|
CF3
|
CF3M
|
|
2
|
蝶板
|
WCB
|
CF8
|
CF8M
|
CF3
|
CF3M
|
|
3
|
阀杆
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1Cr13
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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00Cr18Ni10
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000Cr17Ni14Mo2
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|
4
|
衬里/阀座
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PTFE(F4),PCTEF(F3),FEP(F46),PFA(可溶F4),PP,PO
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|
5
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紧固销
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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00Cr18Ni10
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000Cr17Ni14Mo2
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6
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填料
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PTFE(F4)
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|
7
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填料压盖
|
WCB
|
CF8
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CF8M
|
CF3
|
CF8
|
|
8
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支架
|
WCB
|
CF8
|
CF8
|
|
9
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紧固螺栓
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35
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1Cr17Ni2
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1Cr18Ni2
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|
10
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螺母
|
45
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1Cr18Ni9
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0Cr18Ni9
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DN(mm)
|
NPS(inch)
|
PN1.0MPa
|
PN1.6MPa
|
|
40
|
3/2
|
106
|
145
|
110
|
85
|
3
|
18
|
4-φ18
|
145
|
110
|
85
|
3
|
18
|
4-φ18
|
|
50
|
2
|
108
|
160
|
125
|
100
|
3
|
20
|
4-φ18
|
160
|
125
|
100
|
3
|
20
|
4-φ18
|
|
65
|
5/2
|
112
|
180
|
145
|
120
|
3
|
20
|
4-φ18
|
180
|
145
|
120
|
3
|
20
|
4-φ18
|
|
80
|
3
|
114
|
195
|
160
|
135
|
3
|
22
|
4-φ18
|
195
|
160
|
135
|
3
|
22
|
8-φ18
|
|
100
|
4
|
127
|
215
|
180
|
155
|
3
|
22
|
8-φ18
|
215
|
180
|
155
|
3
|
24
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8-φ18
|
|
125
|
5
|
140
|
245
|
210
|
185
|
3
|
24
|
8-φ18
|
245
|
210
|
185
|
3
|
26
|
8-φ18
|
|
150
|
6
|
140
|
280
|
240
|
210
|
3
|
24
|
8-φ23
|
280
|
240
|
210
|
3
|
28
|
8-φ18
|
|
200
|
8
|
152
|
335
|
295
|
265
|
3
|
26
|
8-φ23
|
335
|
295
|
265
|
3
|
30
|
12-φ23
|
|
250
|
10
|
250
|
390
|
350
|
320
|
3
|
28
|
12-φ23
|
405
|
355
|
320
|
3
|
32
|
12-φ25
|
|
300
|
12
|
270
|
440
|
400
|
368
|
3
|
28
|
12-φ23
|
460
|
410
|
375
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4
|
34
|
12-φ25
|
|
350
|
14
|
290
|
500
|
460
|
428
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4
|
30
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16-φ23
|
520
|
470
|
435
|
4
|
38
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16-φ25
|
|
400
|
16
|
310
|
565
|
515
|
482
|
4
|
32
|
16-φ25
|
580
|
525
|
485
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4
|
40
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16-φ30
|
|
450
|
18
|
330
|
615
|
565
|
532
|
4
|
32
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20-φ25
|
640
|
585
|
545
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4
|
44
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20-φ30
|
|
500
|
20
|
350
|
680
|
620
|
585
|
4
|
34
|
20-φ25
|
705
|
650
|
608
|
4
|
46
|
20-φ34
|
|
600
|
24
|
390
|
780
|
725
|
685
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5
|
36
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20-φ30
|
840
|
770
|
718
|
5
|
54
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20-φ41
|
|
700
|
28
|
430
|
895
|
840
|
800
|
5
|
40
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24-φ30
|
910
|
840
|
788
|
5
|
54
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24-φ41
|
|
800
|
32
|
470
|
1010
|
950
|
905
|
5
|
44
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24-φ34
|
1020
|
950
|
898
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5
|
54
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24-φ41
|
|
900
|
36
|
510
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1110
|
1050
|
1005
|
5
|
46
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28-φ34
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1120
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1050
|
998
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5
|
54
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28-φ41
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1000
|
40
|
550
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1220
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1160
|
1115
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5
|
50
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28-φ34
|
1255
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1170
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1110
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5
|
60
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28-φ48
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序号
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零件名称
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灰铸铁
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铸钢
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不锈耐酸铸钢
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超低碳不锈耐酸铸钢
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|
Z
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C
|
P8
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R8
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P3
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R3
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1
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阀体/阀盖
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A126-C
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A216-WCB
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A351-CF8
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A351-CF8M
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A351-CF3
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A351-CF3M
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2
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蝶板
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A216-WCB
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A105
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A351-CF8
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A351-CF8M
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A351-CF3
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A351-CF3M
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3
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阀杆
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A182-F6
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A182-F304
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A182-F316
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A182-F304L
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A182-F316L
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4
|
衬里/阀座
|
PTFE(F4),PCTEF(F3),FEP(F46),PFA(可溶F4),PP,PO
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|
5
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紧固销
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A182-F6
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A182-F304
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A182-F316
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A182-F304L
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A182-F316L
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6
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填料
|
PTFE(F4)
|
PTFE(F4)
|
PTFE(F4)
|
|
7
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填料压盖
|
A216-WCB
|
CF8
|
CF8M
|
CF8
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CF3M
|
|
8
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支架
|
A216-WCB
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A351-CF8
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A351-CF8
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9
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紧固螺栓
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A193-B7
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A193-B8M
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A193-B8M
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|
10
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螺母
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A194-2H
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A194-8
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A194-8
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公称通经
|
L
|
D
|
D1
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D2
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f
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b
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Z-φd
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DN(mm)
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NPS(inch)
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Class 125Lb/150Lb
|
|
80
|
3
|
127
|
190
|
152.5
|
127
|
2
|
19
|
4-φ19
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|
100
|
4
|
127
|
229
|
190.5
|
157
|
2
|
24
|
8-φ19
|
|
125
|
5
|
127
|
254
|
216
|
186
|
2
|
24
|
8-φ22
|
|
150
|
6
|
127
|
279
|
241.5
|
216
|
2
|
26
|
8-φ22
|
|
200
|
8
|
152.4
|
343
|
298.5
|
270
|
2
|
29
|
8-φ22
|
|
250
|
10
|
203.2
|
406
|
362
|
324
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2
|
31
|
12-φ25
|
|
300
|
12
|
203.2
|
483
|
432
|
381
|
2
|
32
|
12-φ25
|
|
350
|
14
|
203.2
|
533
|
476
|
413
|
2
|
35
|
12-φ29
|
|
400
|
16
|
203.2
|
597
|
540
|
470
|
2
|
37
|
16-φ29
|
|
450
|
18
|
203.2
|
635
|
578
|
533
|
2
|
40
|
16-φ32
|
|
500
|
20
|
203.2
|
699
|
635
|
584
|
2
|
43
|
20-φ32
|
|
600
|
24
|
203.2
|
813
|
749.5
|
692
|
2
|
48
|
20-φ25
|
|
750
|
30
|
304.8
|
887
|
846
|
813
|
2
|
45
|
44-φ23
|
|
900
|
36
|
304.8
|
1057
|
1009.7
|
972
|
2
|
53
|
44-φ26
|
|
1050
|
42
|
304.8
|
1226
|
1171.4
|
1130
|
2
|
59
|
48-φ29
|
|
1200
|
48
|
381
|
1392
|
1335
|
1289
|
2
|
65
|
44-φ32
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