| Customization: | Available |
|---|---|
| Material: | Galvanized Sheet |
| Usage: | Air Volume Control |
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Back Draught Dampers
The pressure relief valve PVA is used for preventing the reverse of air-flow in circular duct systems. The casing of PVA is made from galvanized steel, the blades are made of aluminium.
| Model |
ΦD(mm) |
L1(mm) |
L(mm) |
|
PVA100 |
96 |
6 |
88 |
|
PVA125 |
121 |
19 |
88 |
|
PVA150 |
146 |
31 |
88 |
|
PVA160 |
155 |
36 |
88 |
|
PVA200 |
197 |
56 |
88 |
|
PVA250 |
247 |
61 |
128 |
|
PVA315 |
312 |
94 |
128 |
|
PVA355 |
352 |
65 |
198 |
|
PVA400 |
397 |
64 |
198 |
|
PVA450 |
447 |
80 |
248 |
|
PVA500 |
497 |
107 |
248 |
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