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Breather – Round 1 & 2
Overflow device with circular damper blade.
- Keeps positive and negative pressure constant
- Available in several sizes
- Stainless steel or painted finish
The overpressure relief valve ÖV is intended for use in premises where there is a requirement for a controlled pressure difference. This may be, for example, clean rooms in medical manufacturing, laboratories, airlocks, etc.
Description
The door basically consists of a wall penetration and a counterweight hatch. The penetration is telescopic and available for two wall thicknesses. The counterweight hatch is equipped with an adjustable counterweight for setting the differential pressure in front of and behind the dam. The standard version is made entirely of stainless steel quality EN 1.4301 non-magnetic brushed plate (1,2)/brightly polished plate (A,B,C). A special version is made of galvanized steel plate, powder coated.
Technical specification
| ÖV-1 | Ø170, L = 220, W = 220 |
| ÖV-2 | Ø200, L = 265, W = 265 |
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