Cast iron explosion-proof floor drain Basement kitchen floor drain Civil air defense floor drain Explosion-proof floor drain

Characteristics of explosion-proof floor drain

Explosion-proof floor drain is beautiful in appearance, durable, reasonable in structure and easy to operate in peacetime and wartime. It is suitable for grade 5 and 6 civil air defense projects. Install in the drainage pipe of civil air defense engineering, and the floor drain is in open state at ordinary times to ensure normal drainage; During the war, the floor drain cover was lowered, and the drain outlet was closed after being tightened counterclockwise to prevent the shockwave and poisonous gas from entering the civil air defense works, and to prevent the backflow of sewage. The water storage depth of floor drain is 30mm, which can effectively control the overflow of odor.

Material and model

Explosion-proof floor drain material: cast iron.

Explosion-proof floor drain model: fd1-x explosion-proof floor drain

specifications

Specifications for explosion-proof floor drain: DN50, DN65, DN80, DN100, DN150, DN200, national standard DN80, national standard DN100. The explosion-proof floor drain used routinely is dn50-dn100

The working principle of

Installed in the product to the civil air defense in the protective zone of a drain on the protective side, normally closed, place the core leakage in the valve cavity, and about 60 degrees clockwise fully closed lock (counterclockwise in 60 degrees can exit), when closed can prevent the explosion shock and other poisonous gas by pipeline into the guarded body, have the effect of safety protection. In wartime, when the area was contaminated and needed to be cleaned, the floor drain was opened to drain water.

(1) anti-explosion shock wave is greater than or equal to 0.1mpa.

(2) applicable medium: non-corrosive and non-corrosive water.

(3) protection efficiency >95%

Installation precautions

The product is installed at the end of the enclosure leading to the drain pipe outside the human enclosure. All pipes and accessories of the drainage system shall be made of steel or cast iron for water supply. The top surface of floor drain during installation is 5-10mm below the ground.