Hermetic ventilation valves with manual or electric drive are installed on air ducts of ventilation systems as shut-off devices for reliable overlap, redirection of air flow in individual circuits of the ventilation system.
This is a shut-off valve, which is structurally made in the form of a valve, that is, its closing element moves parallel to the axis of the flow of the working medium.
Valves are used for reliable isolation of premises from each other or from the external environment.
Dimensions
Series
Marking
D
D1
D2
H
L
d
n
КГ
100
100
185
205
133
292,5
9
8
150
150
235
255
153
317,5
9
8
200
200
275
305
173
342,5
9
8
225
225
300
330
183
355
9
8
250
250
325
355
193
367,5
9
8
300
300
400
430
213
-
9
8
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