Explosion-proof fire retardant breath manhole is the emergency ventilates equipment installed on the top of the storage tank. It can be used together with fire retardants. It can avoid the damage caused by accidents and stop the fire. It is suitable for the common pressure tank for the materials storage.

   

   The products can increase the sealed degree with whole day sealed structure and regulate the close or open of the valve. It can effectively improve the flexibility of the valve and reliability to control the absorbs pressure. It can release the heat with fixed pressure and the structure is reasonable, the sealed performance is great and the safety is reliable.

   

   The enterprise can provide fire retardant hole (LTHK type), breath hole(LTHXF-R type), explosion-proof fire retardant health hole(LTHXF-RZ type).

 

    Under normal condition, the product can keep sealed and the tank will be under normal pressure. When the normal operation can not meet the need of the super pressure caused by accident, the pressure linking cover will open automatically to protect the storage tank.