After installing directional relief valves on pipelines transporting dust or flammable and explosive gases, the direction of medium flow is reversed 180 degrees through the directional relief valves. When a detonation occurs in the equipment, the combustion explosion propagates to the directional relief valve. Firstly, the pressure wave at the front end of the flame instantly opens the dust specific explosive disc installed at the top, allowing the pressure inside the pipeline to freely release into the atmosphere. The flame will propagate along the existing smooth channel instead of reversing 180 degrees for the release and weakening of the flame. Directional explosion-proof valves are usually installed on pipelines between two devices, or on pipelines connected at one end to devices that may generate explosive sources. The directional explosion-proof valve provides bidirectional protection for the flow direction and reverse direction of the medium.

explain:This type of safety equipment needs to be calculated and selected based on the specific operating parameters of the protected equipment and system to better exert its protective effect. Only after selecting the model can a quotation be made. To ensure use, please contact us as soon as possible through online consultation, hotline, online message, email and other methods. Our staff will arrange sales engineers in the corresponding area to provide free calculation, selection, quotation and other technical support services to help you quickly choose suitable products and arrange shipment or production scheduling for you as soon as possible.Xuzhou Bafang Partial Qualification Certification Certificate

Technical features:

·Passive explosion isolation, without the need for spark (flame) detectors and controllers.

·Prevent and stop pressure buildup and flame propagation.

·The directional relief valve is equipped with professional dust blasting discs, which come in two specifications: circular and rectangular.

·Explosion discs designed without metal fragments to prevent secondary damage from fragments after blasting.

·Remote explosion sensor, providing indication after the explosion of the blasting disc, explosion-proof Ex certification.

·Durable and sturdy design, pursuing minimal maintenance.

·Non standard requirements are accepted for connecting flanges.

·The directional explosion-proof valve can provide insulation measures.