Article number: 21080-s 21100-s 21125-s 21150-s 21160-s 21200-s
OPT is a round valve with aerodynamically design with good characteristics in terms of noise level, air flow capacity and pressure drop.The valve is mounted in a ceiling or a wall and is intended for ventilation systems with a relatively high pressure drop. The valve can be equipped with air directional units (180 degrees) in the desired direction. The design of the valve and a gasket of moltoprene prevents soiling.
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