Tianjin U-ideal Air vents to remove air from pipelines carrying liquids.

Main Applications:Air conditioning facilities, solar systems, water transport lines, water storage tanks.Transport of and facilities using other fluids.Water, hot water, other liquid other than toxic or flamable
Features:
1.All stainless steel air vent for vertical installaion in liquid systems.
2.Unique rotational seating design prevents concentrated wear.
3.Optional high temperature stainless steel valve seat available.


Air vent valves
are used to allow the pressure in the tank to balance while preventing the spillage of the fluid through the vent lines. These valves allow the free flow of fluid or air in or out of a chamber or tank until they close, usually activated by a float.
During refueling, incoming fuel dis-places the air in the tank. The vent valve allows this air to escape through a designated vent path
When the tank is full, the float valve closes preventing the fuel from escaping. These valves also allow air to re-enter the tank as fuel is consumed, preventing dangerous negative pressure and potential fuel starvation. Vent valves protect the fuel tank from pressure damage resulting from expansion and contraction of the fuel due to changes in temperature. In some applications they incorporate measures to prevent the fuel from exiting the tank when the aircraft is inverted either during flight or in an emergency.



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