It can change the airflow direction into three ways. It is the best choice of controlling volume damper.
The combined air damper of HY-ZF can meet the requirement of ventilation equipment and smoke extraction equipment in the subway, because it uses the parts of single damper which is heat resisting(-50°C~+285°C) and low leakage and electric actuator which is with heat ...
HY-FDF-Q Structure Size: Flow Parameter: Installation Instruction: 1. The installation of HY-DF-Q is quite convenient. There is flange at the both ends of the damper, which can ensure that the joint is gas tightness. If there is no flange, the joint can be also gas tightness by ...