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Current position£ŗHOME  >  Product Center  >  Pneumatic butterfly valve  >  Explosion-proof pneumatic disc valve of the Model ZSRW
Product introduction:


Main performance norm

Type

Nominal pressure PN/Mpa
Test pressure / Mpa
Suitable medium
Suitable temperature
Shell
The liquid sealing
ZSRW -10
1.0
1.5
1.1
Water , gas , oil ,etc. do not have corrosivity medium

Confirm according to the variety of rubber ( ӆ 60- 13 degrees Centigrade)

ZSRW -16Q
1.6
2.4
1.76
Major part material
Part name
The valve has body
Butterfly's board
Valve stem
The valve body sealing and enclosing
Bush
Material
Gray casting iron , nodular cast iron
Nodular cast iron ( The surface is plated the hard chromium ) , copper alloy , stainless steel
Chromium stainless steel
Phenol aldehyde and resin or the aluminium alloy line with the cube nitrile rubber , able to bear the oil rubber , third rubber of second , Fluorine rubber
Copper alloy or the copper carry and frit four Fluorine

ZSRW Main size of the type
Nominal Open DN directly (mm)
Size ( mm)
Weight ( kg)
L
D
Z- ¦µ d
H1
H2
A
B
B1
PN1.0MPa
PN1.6MPa
PN1.0MPa
PN1.6MPa
50
43
125
125
4- ¦µ 18
4- ¦µ 18
70
235
196
125
59
10
65
46
145
145
4- ¦µ 18
4- ¦µ 18
78
247
196
125
59
11
80
46
160
160
4- ¦µ 18
8- ¦µ 18
88
257
196
125
59
12
100
52
180
180
8- ¦µ 18
8- ¦µ 18
110
294
226
152
92
16
125
56
210
210
8- ¦µ 18
8- ¦µ 18
132
318
226
152
92
18
150
56
240
240
8- ¦µ 23
8- ¦µ 23
146
338
226
152
92
20
200
60
295
295
8- ¦µ 23
12- ¦µ 23
217
430
470
230
195
35
250
68
350
355
12- ¦µ 23
12- ¦µ 26
252
470
470
230
195
40
300
78
400
410
12- ¦µ 23
12- ¦µ 26
283
504
470
230
195
60
350
78
460
460
16- ¦µ 23
16- ¦µ 26
308
545
470
230
195
80
400
102
515
515
12- ¦µ 25
16- ¦µ 30
348
590
610
298
235
100
450
114
565
20- ¦µ 25
373
623
610
298
235
120
500
127
620
20- ¦µ 25
408
660
610
298
235
140
600
154
725
20- ¦µ 30
474
698
382
200