DS is delivered with built-in rubber sealing and turn handle. Used in connection with machines that produces dust or welding tasks, i.e. in process unit with clean air or slightly dusty air.
Gram rotating damper type DS is delivered in the following diameters:
All measurements are outer dimensions. Please, see brochure page.
The manual damper type DS is standard delivered with a black plastic turn handle that indicates whether the damper is closed or open.
Delivered in robust black steel.
Damper housing is therefore powder enamelled.