Poppet type damper


Poppet type flap dampers are used to shut-off the flow of gas stream (e.g. exhaust gas) in ducts with a rectangular cross-section when they are installed one directly above the other.

Poppet type damper

Depending on the customer requirements, many types of seals may be used to achieve higher tightness of flap damper plate, also execution with sealing air is possible with tandem plate.

Poppet type flap dampers are most frequently used in systems with bag filters or on by-pass piping sections or on filter outlets.

Poppet type flap dampers are usually driven by linear pneumatic actuators.

The products offered in this area, meet the highest standards and customer specific needs. By guaranteeing reliable operation, we also offer additional protection, adapted to customer installation conditions, including special seals that provide even higher level of tightness. Contact us if you are looking for customized shut-off dampers designed for different applications that base on specific needs and requirements.

The quality of our flap dampers is known to our customers and we are the leader in this industry, appreciated not only for excellent products, but also for other important qualities. Our big advantage are the highest quality products offered at attractive prices, which are ideal solutions for many companies. Our customers are also guaranteed a very high level of customer service. You may count on professional assistance and advice of our engineers, e.g. when searching for the best solution and in short order execution. We offer also by pass dampers for exhaust gas cleaning system, scrubbers. This is possible thanks to our efforts that aim at the satisfaction of all customers.


DSM offers a wide range of all types of dampers, these including shut-off and regulating dampers as well as flow control dampers. Our products are used in power plants, combined heat and power plants, incineration plants and industrial plants where their presence and reliable operation are of high importance. Therefore, during each stage of the design, manufacture and commissioning of the installation we take every effort to ensure the best quality and the most effective operation of our shut-off dampers even in the most difficult conditions. 

Our offer includes sets of dampers (diverters), flue gas dampers, shut-off dampers, round single dampers, round double dampers, rectangular single dampers, air gate dampers, louvre dampers for air and flue gas ducts, rectangular double dampers, louvre dampers with sealing air as well as poppet type round single dampers and special design diverters. Multiple product variants offered by DSM allows you to select those best tailored to your specific applications and installations, regardless of the conditions, and the top quality of our products ensures their reliable operation for a long time. Kindly check our offer for more details about our louvre and shut-off dampers.