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The double airlock valve,sometimes called a double flap gate valve,it is a discharge device for cyclone,dust collector,dryer and hopper to prevent the outside wind. It is widely used in chemical industry,food industry,construction materials,metallurgy and electric power industry.

Applicable conditions:

For high sealing performance at the collector of a pneumatic transport device.

For bulk materials that adhere to a grinding sectionwhich is easy to cause problems.

To prevent damage caused by trapped bulk materials.

For higher sealing requirements at high temperature.

Product features:

Simple structure with good sealing performance.

Valve plate and seat alternately touching with no grinding to keep good sealing performance.

Resistant to abrasion and suitable for sealing at high temperature.

No trapping of bulk materials.

All kinds of size for user to select form 80mm to 800mm.

All kinds of materials to select according to the user:stainless steel(SS304,SS304L,SS316,316L,SS836L ),carbon steel etc.

The flange could be made in circle or squareness.

The driver could be motor-driven type or pneumatic-driven.