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Propagation blocking valve - List of Manufacturers, Suppliers, Companies and Products

Propagation blocking valve Product List

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ATEX float valve available for use under powder flow.

Widely adopted in pharmaceutical and chemical plants around the world! The pressure loss of the powder flow passing through the float valve during operation is minimal, and turbulence is slight.

The "ATEX Float Valve" is a valve developed through continuous improvements as a passive shut-off valve that blocks the propagation of deflagration in ducts. During an explosion, the float valve, which is latched in the open position by the wind speed of the explosion, moves axially and is fixed in the closed position, thereby stopping the propagation. This fundamentally improves the turbulence, pressure loss, and malfunction caused by the floating of the float valve, which were issues in the past. 【Features】 ■ No gaskets used ■ Pressure-resistant passive shut-off valve ■ Float valve has opening and closing latches ■ Pressure loss and turbulence of the powder flow passing through the float valve during operation are minimal *For more details, please refer to the catalog or feel free to contact us.

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Explosion propagation instant shut-off equipment ATEX instant shut-off valve QSV

Driven only by air pressure and solenoid valves without using explosives ignition devices or burst panels! Manual and remote operation and recovery testing are possible!

**Overview** The control panel that receives the explosion detection signal drives the electromagnetic valve to block the propagation of flames through the duct. The ATEX instant shut-off valve QSV only uses the control air from the factory instrumentation to achieve pneumatic control for shutting off. It is installed horizontally or at the bottom at a location approximately 2 to 7 meters away from the explosion source (for DN200). **Features** - There is virtually no pressure loss during operation, making it effective against explosion propagation from both directions in the duct. - It draws in factory instrumentation air and maintains the operating pressure with a pressure storage tank. - There are no replacement parts required during operational recovery. - By adopting an air cushion stop mechanism, practical operational tests can be repeatedly conducted with a push button. - Maintenance allows for easy measurement of actual operation, and the closing time (in milliseconds) can be measured using a position switch. - Air purging can be added during valve storage. (FDA-compliant hygienic) *For more details, please refer to the catalog or feel free to contact us.*

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