Fire exhaust valve for automatic sprinkler system of alternating wet and dry, wet, pre action, circulation, foam, foam tank fire control system of the special. System installed in the top, in filling the exhaust, to prevent air blocking, the air plug. Full of water, it automatically closes the outlet port; in system maintenance water, automatically open the suction, to prevent network negative pressure deformation, damage.

Main technical parameters

1working pressure range:0.05-1.2MPa

The 2 water inlet thread: DN15-25mm

3outlet thread:1.6mm

The 4seal test pressure:2.4MPa water pressure, duration 5min

5 product structure and dimensions

6:0~ 100 ℃temperature application

7test standard: GB/T 13927API598

8 medium temperature:0-80 ℃.

Fire exhaust valve

Name

Valve cover, valve body

Floating ball

The lever, the lever frame

Stopper head

Texture of material

Ductile cast iron

304 stainless steel

304 stainless steel

Synthetic rubber BUNA-NVITOL