●Description: This valve is installed in the pump outlet or the Transmission and Distribution
in the water pipeline, used to exclude the air, set the plot in the tube in
order to improve efficiency in the use of pipelines and pumps, an officer
within the negative pressure, the valve quickly inhaling outside air to prevent
pipeline damage due to negative pressure. Water when the tube normal transport,
if a small amount of air gathering to a considerable extent in the valve and
valve, the water level dropped, then the air discharged from the holes. When
the pump stops, the water is empty or the case of tube in tube negative
pressure, race head quickly turned on the air inhaled, to ensure pipeline
safety.
●Standards: GB/T 17241.6-1998.
●Materials: Ductile iron, cast iron
●Nominal
sizes: DN80—300mm
●Pressure: PN10/16
●Corrosion
protection: Inside and outside FBE.
●Suitable
medium: Water, oil, steam.
●Package: wooden case with plastic layer, wooden pallets with plastic layer, steel
crates.