
PTFE Sealed Wafer Butterfly Valve
PTFE sealed wafer butterfly valve
Stainless steel PTFE sealed wafer butterfly valve
The valves produced by Jinhai Precision Instruments have stable quality, reasonable prices and excellent after-sales service.
[Butterfly valve] is widely used in: chemical industry, petrochemical, petroleum, papermaking, mining, electric power, liquefied gas, food, pharmaceuticals, water supply and drainage, municipal administration, mechanical equipment supporting, electronic industry, urban construction and other fields.
Uses and characteristics of PTFE sealed wafer butterfly valve
This product is composed of PTFE sealed butterfly valve, stainless steel valve plate and valve stem. It is suitable for working conditions with temperature ≤150℃, weak corrosion or certain requirements on cleanliness. It can be used to regulate flow and intercept media in water supply, drainage and gas pipelines such as food, medicine, chemical industry, petroleum, electric power, textile and papermaking. Its main features are:
1. The design is novel and reasonable, the structure is unique, the weight is light, and it can open and close quickly.
2. The operating torque is small, the operation is convenient, labor-saving and dexterous.
3. It can be installed at any position and is easy to maintain.
4. The seals can be replaced, and the sealing performance is reliable and achieves two-way sealing and zero leakage.
5. The sealing material is resistant to aging, corrosion, and has long service life.
Flange connection dimensions: GB/T9113.1-2000; GB/T9115.1-2000; JB78





The main technical parameters
| Nominal diameter |
DN(mm)
|
50~2000
|
||
| Nominal pressure |
PN(MPa)
|
0.6
|
1.0
|
1.6
|
|
test oressure
|
Strength test |
0.9
|
1.5
|
2.4
|
| Sealing test |
0.66
|
1.1
|
1.76
|
|
| Air seal test |
0.6
|
0.6
|
0.6
|
|
| Applicable media | Air, water, sewage, steam, gas, oil, etc. | |||
| Drive form | Manual, worm gear transmission, pneumatic transmission, electric transmission. | |||
| Nominal diameter | Structure length (standard value) | Overall dimensions (reference value) | Connection size (standard value) | |||||||||
|
0.6MPa
|
1.0MPa
|
1.6MPa
|
||||||||||
|
mm
|
ich
|
L
|
H
|
H0
|
A
|
B
|
D0
|
n-d
|
D0
|
n-d
|
D0
|
n-d
|
|
50
|
2
|
43
|
63
|
306
|
180
|
200
|
110
|
4-14
|
125
|
4-18
|
125
|
4-18
|
|
65
|
21/2
|
46
|
70
|
321
|
180
|
200
|
130
|
4-14
|
145
|
4-18
|
145
|
4-18
|
|
80
|
3
|
46
|
83
|
346
|
180
|
200
|
150
|
4-18
|
160
|
8-18
|
160
|
8-18
|
|
100
|
4
|
52
|
105
|
387
|
180
|
200
|
170
|
4-18
|
180
|
8-18
|
180
|
8-18
|
|
125
|
5
|
56
|
115
|
411
|
180
|
200
|
200
|
8-18
|
210
|
8-18
|
210
|
8-18
|
|
150
|
6
|
56
|
137
|
447
|
270
|
280
|
225
|
8-18
|
240
|
8-22
|
240
|
8-22
|
|
200
|
8
|
60
|
164
|
572
|
270
|
280
|
280
|
8-18
|
295
|
8-22
|
295
|
12-22
|
|
250
|
10
|
68
|
206
|
646
|
270
|
280
|
335
|
12-18
|
350
|
12-22
|
355
|
12-26
|
|
300
|
12
|
78
|
230
|
738
|
380
|
420
|
395
|
12-22
|
400
|
12-22
|
410
|
12-26
|
|
350
|
14
|
78
|
248
|
761
|
380
|
420
|
445
|
12-22
|
460
|
16-22
|
470
|
16-26
|
|
400
|
16
|
102
|
289
|
877
|
450
|
470
|
495
|
16-22
|
515
|
16-26
|
525
|
16-30
|
|
450
|
18
|
114
|
320
|
938
|
480
|
490
|
550
|
16-22
|
565
|
20-26
|
585
|
20-30
|
|
500
|
20
|
127
|
343
|
993
|
480
|
490
|
600
|
20-22
|
620
|
20-26
|
650
|
20-33
|
|
600
|
24
|
154
|
413
|
1131
|
480
|
490
|
705
|
20-26
|
725
|
20-30
|
770
|
20-36
|
|
700
|
28
|
165
|
478
|
1476
|
640
|
660
|
810
|
24-26
|
840
|
24-30
|
840
|
24-36
|
|
800
|
32
|
190
|
525
|
1533
|
640
|
660
|
920
|
24-30
|
950
|
24-33
|
950
|
24-39
|
|
900
|
36
|
203
|
585
|
1655
|
750
|
860
|
1020
|
24-30
|
1050
|
28-33
|
1050
|
28-39
|
|
1000
|
40
|
216
|
640
|
1765
|
850
|
900
|
1120
|
28-30
|
1160
|
28-36
|
1170
|
28-42
|
|
1200
|
48
|
254
|
755
|
1995
|
850
|
900
|
1340
|
32-33
|
1380
|
32-39
|
1390
|
32-48
|
|
1400
|
56
|
279
|
910
|
2310
|
1000
|
925
|
1560
|
36-36
|
1590
|
36-42
|
1590
|
36-48
|
|
1600
|
64
|
318
|
1030
|
2595
|
1000
|
925
|
1760
|
40-36
|
1820
|
40-48
|
1820
|
40-56
|
|
1800
|
72
|
356
|
1140
|
2810
|
1100
|
980
|
1970
|
44-39
|
2020
|
44-48
|
2020
|
4-56
|
|
2000
|
80
|
406
|
1250
|
3100
|
1100
|
980
|
2180
|
48-42
|
2230
|
48-48
|
2230
|
48-62
|
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