It is a pneumatic switch.It is a key component of the bag filter dust removal system, adopting the automotive manufacturing concept of automotive anodizing surface anti-corrosion treatment technology, and the membrane has a service life of over 1 million times. The only one in the industry that can simulate the flow field of working conditions.Performance Test and Evaluation Device for Bag Type Dust Removal Pulse Injection.Widely used in fields such as cement, steel, textiles, electricity, building materials, and non-ferrous ports.