Product overview
The
blasting valve is composed of valve body, blasting film, support
device, valve cover, weight and other parts. The bursting film is
installed in the middle of the clamp and is bolted to the valve body.
When the system overpressures, the bursting film ruptures. Instant
pressure relief, the valve cover after lifting and reset under gravity.
The valve body and clamp need to be lifted upward when replacing the
bursting film. The blasting film is prepared by the user according to
the process characteristics, mainly used in building materials,
metallurgy, petroleum, chemical and other fields.
Main outline and connection dimensions
|
DN
|
D
|
n-φd
|
D1
|
b
|
L
|
L1
|
H
|
weight(kg)
|
|
300
|
440
|
12-φ22
|
395
|
16
|
880
|
250
|
250
|
52
|
|
350
|
490
|
12-φ22
|
445
|
16
|
907
|
250
|
275
|
69
|
|
400
|
540
|
16-φ22
|
495
|
16
|
1010
|
250
|
300
|
77
|
|
450
|
595
|
16-φ22
|
550
|
16
|
1060
|
252
|
325
|
83
|
|
500
|
645
|
20-φ22
|
600
|
20
|
1180
|
300
|
370
|
112
|
|
600
|
755
|
20-φ26
|
705
|
20
|
1280
|
300
|
420
|
152
|
|
700
|
860
|
24-φ26
|
810
|
20
|
1390
|
300
|
470
|
193
|
|
800
|
975
|
24-φ30
|
920
|
20
|
1480
|
300
|
520
|
165
|
|
900
|
1075
|
24-φ30
|
1020
|
20
|
1590
|
350
|
600
|
335
|
|
1000
|
1175
|
28-φ30
|
1120
|
20
|
1680
|
350
|
650
|
375
|