Explosion-proof pipe breathing valve

HXF1-type pipe fire and explosion-proof breathing valve overview

1 , Pipeline fire and explosion proof breathing valve is installed in the fixed top-type storage tank ventilation device, play a reduction of oil evaporation loss, control of tank pressure, prevent the introduction of outside flame, to avoid fire protection tank farm production safety.

2, the valve is suitable for storage of less than 28 ℃ or less than 60 ℃ flash point, A, B oil or other chemical materials, its reasonable structure, light weight; flame retardant lateral installation with a convenient inspection and disassembly Features. Body material or other specifications are not listed in the table can be made according to user requirements.

3, operating pressure: 

Positive pressure: A 353Pa (36mm water column) ;
Class B 980.7Pa 100mm water column; 
negative pressure : 294.2Pa 30mm water column or specified by user requirements selected.