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衬氟止回阀适用在-50～150℃的各种浓度的王水、硫酸、盐酸、氢氟酸和各种有机酸、强酸、强氧化剂，FEP还适用于各种浓度的强大碱有机溶剂以及其它腐蚀性气体、液体介质的管路上使用。
一、衬氟升降式止回阀技术规范:
二、升降式衬氟止回阀主要零部件材料表 :
|
序号
|
零件名称
|
灰铸铁
|
铸钢
|
不锈耐酸铸钢
|
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
|
衬里/阀座
|
PTFE(F4)、PCTFE(F3)、FEP(F46)、PFA(可溶F4)
|
|||||
|
3
|
紧固螺栓
|
35
|
1Cr17Ni2
|
1Cr18Ni9Ti
|
|||
|
4
|
螺母
|
45
|
0Cr18Ni9
|
0Cr18Ni9
|
|||
三、升降式衬氟止回阀主要外型和连接尺寸:
|
公称通径
|
标准值
|
参考值
|
|||||||||
|
DN
（mm） |
NPS
（inch） |
L
|
D
|
D1
|
D2
|
f
|
b
|
Z-Φd
|
Do
|
H
|
WT(Kg)
|
|
PN0.6Pa
|
|||||||||||
|
15
|
1/2
|
130
|
80
|
55
|
40
|
2
|
12
|
4-Φ12
|
105
|
55
|
4
|
|
20
|
3/4
|
150
|
90
|
65
|
50
|
2
|
14
|
4-Φ12
|
115
|
58
|
5
|
|
25
|
1
|
160
|
100
|
75
|
60
|
2
|
14
|
4-Φ12
|
128
|
60
|
6
|
|
32
|
11/4
|
180
|
120
|
90
|
70
|
2
|
16
|
4-Φ14
|
145
|
75
|
7
|
|
40
|
11/2
|
200
|
130
|
100
|
80
|
3
|
16
|
4-Φ14
|
160
|
82
|
8
|
|
50
|
2
|
230
|
140
|
110
|
90
|
3
|
16
|
4-Φ14
|
178
|
95
|
10
|
|
65
|
21/2
|
290
|
160
|
130
|
110
|
3
|
16
|
4-Φ14
|
205
|
105
|
20
|
|
80
|
3
|
310
|
185
|
150
|
125
|
3
|
18
|
4-Φ18
|
230
|
120
|
25
|
|
100
|
4
|
350
|
205
|
170
|
145
|
3
|
18
|
4-Φ18
|
255
|
135
|
30
|
|
125
|
5
|
400
|
235
|
200
|
175
|
3
|
20
|
8-Φ18
|
305
|
158
|
50
|
|
150
|
6
|
480
|
260
|
225
|
200
|
3
|
20
|
8-Φ18
|
345
|
180
|
65
|
|
200
|
8
|
495
|
315
|
280
|
255
|
3
|
22
|
8-Φ18
|
415
|
215
|
137
|
|
250
|
10
|
622
|
370
|
335
|
310
|
3
|
24
|
12-Φ18
|
490
|
240
|
150
|
|
300
|
12
|
698
|
435
|
395
|
362
|
4
|
24
|
12-Φ23
|
540
|
265
|
185
|
|
350
|
14
|
787
|
485
|
445
|
412
|
4
|
26
|
12-Φ23
|
585
|
300
|
215
|
|
400
|
16
|
914
|
535
|
495
|
462
|
4
|
28
|
16-Φ23
|
635
|
360
|
244
|
|
450
|
18
|
978
|
590
|
550
|
518
|
4
|
28
|
16-Φ23
|
680
|
385
|
276
|
|
500
|
20
|
978
|
640
|
600
|
568
|
4
|
30
|
16-Φ23
|
740
|
415
|
315
|
|
公称通径
|
标准值
|
参考值
|
|||||||||
|
DN（mm）
|
NPS
（inch） |
L
|
D
|
D1
|
D2
|
f
|
b
|
Z-Φd
|
B
|
H
|
WT(Kg)
|
|
PN1.0MPa
|
|||||||||||
|
15
|
1/2
|
130
|
95
|
65
|
45
|
2
|
14
|
4-Φ14
|
105
|
55
|
5
|
|
20
|
3/4
|
150
|
105
|
75
|
55
|
2
|
16
|
4-Φ14
|
115
|
58
|
7
|
|
25
|
1
|
160
|
115
|
85
|
65
|
2
|
16
|
4-Φ14
|
128
|
60
|
9
|
|
32
|
11/4
|
180
|
135
|
100
|
78
|
2
|
18
|
4-Φ18
|
145
|
75
|
11
|
|
40
|
11/2
|
200
|
145
|
110
|
85
|
3
|
18
|
4-Φ18
|
160
|
82
|
13.5
|
|
50
|
2
|
230
|
160
|
125
|
100
|
3
|
20
|
4-Φ18
|
178
|
95
|
18
|
|
65
|
21/2
|
290
|
180
|
145
|
120
|
3
|
20
|
4-Φ18
|
205
|
105
|
22
|
|
80
|
3
|
310
|
195
|
160
|
135
|
3
|
22
|
4-Φ18
|
230
|
120
|
28
|
|
100
|
4
|
350
|
215
|
180
|
155
|
3
|
22
|
8-Φ18
|
255
|
135
|
34
|
|
125
|
5
|
400
|
245
|
210
|
185
|
3
|
24
|
8-Φ18
|
305
|
158
|
58
|
|
150
|
6
|
480
|
280
|
240
|
210
|
3
|
24
|
8-Φ23
|
345
|
180
|
72
|
|
200
|
8
|
495
|
335
|
295
|
265
|
3
|
26
|
8-Φ23
|
415
|
215
|
150
|
|
250
|
10
|
622
|
390
|
350
|
320
|
3
|
28
|
12-Φ23
|
490
|
240
|
165
|
|
300
|
12
|
698
|
440
|
400
|
368
|
4
|
28
|
12-Φ23
|
540
|
265
|
190
|
|
350
|
14
|
787
|
500
|
460
|
428
|
4
|
30
|
16-Φ23
|
585
|
300
|
225
|
|
400
|
16
|
914
|
565
|
515
|
482
|
4
|
32
|
16-Φ25
|
635
|
360
|
254
|
|
450
|
18
|
978
|
615
|
565
|
532
|
4
|
32
|
20-Φ25
|
680
|
385
|
285
|
|
500
|
20
|
978
|
670
|
620
|
585
|
4
|
34
|
20-Φ25
|
740
|
415
|
333
|
|
PN1.6MPa
|
|||||||||||
|
15
|
1/2
|
130
|
95
|
65
|
45
|
2
|
14
|
110
|
55
|
6
|
|
|
20
|
3/4
|
150
|
105
|
75
|
55
|
2
|
16
|
120
|
58
|
7.8
|
|
|
25
|
1
|
160
|
115
|
85
|
65
|
2
|
16
|
135
|
60
|
10
|
|
|
32
|
11/4
|
180
|
135
|
100
|
78
|
2
|
18
|
150
|
75
|
12.5
|
|
|
40
|
11/2
|
200
|
145
|
110
|
85
|
3
|
18
|
165
|
82
|
14.5
|
|
|
50
|
2
|
230
|
160
|
125
|
100
|
3
|
20
|
185
|
95
|
19.5
|
|
|
65
|
21/2
|
290
|
180
|
145
|
120
|
3
|
20
|
210
|
105
|
25.5
|
|
|
80
|
3
|
310
|
195
|
160
|
135
|
3
|
22
|
235
|
120
|
30
|
|
|
100
|
4
|
350
|
215
|
180
|
155
|
3
|
24
|
260
|
135
|
36
|
|
|
125
|
5
|
400
|
245
|
210
|
185
|
3
|
26
|
310
|
158
|
62
|
|
|
150
|
6
|
480
|
280
|
240
|
210
|
3
|
28
|
350
|
180
|
78
|
|
|
200
|
8
|
495
|
335
|
295
|
265
|
3
|
30
|
420
|
215
|
156
|
|
|
250
|
10
|
622
|
405
|
355
|
320
|
3
|
32
|
505
|
240
|
172
|
|
|
300
|
12
|
698
|
460
|
410
|
375
|
4
|
34
|
560
|
265
|
240
|
|
|
350
|
14
|
787
|
520
|
470
|
435
|
4
|
38
|
605
|
300
|
208
|
|
|
400
|
16
|
914
|
580
|
525
|
485
|
4
|
40
|
650
|
350
|
265
|
|
|
设计标准
|
GB12236
|
|
结构长度
|
GB12221
|
|
法兰标准
|
JB/T79-94
|
|
GB9113.1-26
|
|
|
检验试验
|
GB/T13927
|
