APDType residual pressure valve

This device can be widely used in purification workshops or clean rooms to maintain a positive pressure difference between indoors and outdoors, allowing excess indoor air to be expelled and preventing outdoor air from entering.

Feature 1: The installation form is wall mounted, and the wall thickness can be adjusted freely within 30-50mm.
2. The position of the heavy hammer can be adjusted according to the requirements of air volume and pressure difference.

Technical Specifications