Shut-off damper with pneumatic actuator

Consists of a DTU damper with a pneumatic actuator installed. The actuator consists of a polyamide housing and metal parts of stainless steel.

When air pressure rises, the actuator open. When air pressure falls, the actuator close under the tension of the spring inside the actuator. The damper blade is closed when delivered.

There is a separate assembly, measuring, balancing and maintenance instruction for this product.

Ø 250–315 fullfills pressure class C in closed position.

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