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Current position：HOME  >  Product Center  >  bellows valve（DIN)  >  German standard cut-off valve

Scope of application , adopting the standard , material , characteristic

Scope of application Suitable medium Vapour system , natural gas , poisonous waste gas purification , vacuum device , hot oil system , heating device, frozen system , ammonia , hot water , hydropower station ,etc.
Suitable temperature

-20- -350 degrees Centigrade

Adopt the standard Make the standard: DIN3356 Examine the experimental standard: DIN3230
Standard of length of structure: DIN3202 To the standard of the crater: DIN3239
Flange standard: DIN2543-2545
Material Quality The valve has body Valve Cover Valve Pole Valve One Seal the surface Fill out Material
WCB WCB WCB 13Gr 2Gr 2Gr Soft graphite
304 CF8 CF8 304 304 304 Soft graphite
316 CF8M CF8M 316 316 316 Soft graphite
304L CF3 CF3 316 304L 304L Soft graphite
316L CF3 CF3 316 316L 316L Soft graphite
Special Click Sealed valve stem of the corrugated pipe Double layers , three storeys of corrugated pipes Seal doubly
Have not hoisted or lower the handwheel Point out in the position It is convenient to maintain

Every connection measurement of the external dimension

PN
DN
L
D
D 1
D 2
B
f
H
N- ф
H
(STRODE)
1.6
15
130
95
65
45
16
2
191
4-14
6
20
150
105
75
58
18
2
191
4-14
6
25
160
115
85
68
18
2
197
4-14
8
32
180
140
100
78
18
2
200
4-18
8
40
200
150
110
88
18
3
218
4-18
13
50
230
165
125
102
20
3
220
4-18
13
65
290
185
145
122
20
3
238
4-18
16
80
310
200
160
138
20
3
257
8-18
20
100
350
220
180
158
20
3
340
8-18
25
125
400
250
210
188
22
3
360
8-18
32
150
480
285
240
212
22
3
390
8-22
40
200
600
340
295
268
24
3
530
12-22
50
2.5
15
130
95
65
45
16
2
191
4-14
6
20
150
105
75
58
18
2
191
4-14
6
25
160
115
85
68
18
2
197
4-14
8
32
180
140
100
78
18
2
200
4-18
8
40
200
150
110
88
18
3
218
4-18
13
50
230
165
125
102
20
3
220
4-18
13
65
290
185
145
122
22
3
238
8-18
16
80
310
200
160
138
24
3
257
8-18
20
100
350
235
220
162
24
3
340
8-22
25
125
400
270
250
188
26
3
360
8-26
32
150
480
300
295
218
28
3
390
8-26
40
200
600
360
310
278
30
3
530
12-26
50
4.0
15
130
95
65
45
16
2
191
4-14
6
20
150
105
75
58
18
2
191
4-14
6
25
160
115
85
68
18
2
197
4-14
8
32
180
140
100
78
18
2
200
4-18
8
40
200
150
110
88
18
3
218
4-18
13
50
230
165
125
102
20
3
220
4-18
13
65
290
185
145
122
22
3
238
8-18
16
80
310
200
160
138
24
3
257
8-18
20
100
350
235
190
162
24
3
340
8-22
25
125
400
270
220
188
26
3
360
8-26
32
150
480
300
250
218
28
3
390
8-26
40
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