A passive gravity type dust explosion isolation valve, not trigger by a sensor, available in normal open and normal close types;

Applicable to non return isolation, negative pressure system and horizontal installation;

Applicable dusts: organic dust and inorganic dust (containing metal dust);

Sizes available from DN100 to DN1000;

Material: Shell, Q235 (carbon steel) with RAL 3000 (coating color), Flap: 304SS (stainless steel);

Applicable wind speed: 15-30m/s;

Pressure loss: about 200 pa;

Max reduced explosion overpressure (Pred, max): 0.7 barg@20℃;

Applicable dusts: St1 and St2 dusts with Kst less than and equal to 300barg*m/s;

Installation method: horizontal installation, connected by flanges;

Installation position: 3-7m from the pipeline of dust collector inlet;

Operation conditions monitored via an integrated sensor, thus allowing longer maintenance intervals;

Solid and durable design, requiring minimal maintenance;

Coming with a inspection cover, easy for inspection;

Signal sensors and closed position indicator switches and other accessories optional;

Testing reports from domestic authorities are available;