Vent Valves for Continuous Operation, , Pipe Connecting Air Valve

Model NO.: AV590 Usage: for Experiment, for Air Conditioner, for Manufacture, for Refrigerate Venetian-Style Air Layers: Single Certification: CSA, RoHS, UR, ISO, UL, CE, SGS, CCC Pressure: Pn0.6~1.6MPa Standard.: GB, DIN, ANSI, GOST, JIS, BS Trademark: Tianjin U-ideal Instrument Origin: Tianjin, China Material: Stainless Steel Type: Spherical Air Installation: Outlet Diameter: Dn50~150mm Temperature: 0-130-200centigrade Material.: Carbon Steel, Stainless Steel Specification: CE, ROHS, SGS, GMP HS Code: 8481804090 Tianjin U-ideal Vent Valves for continuous operation, suit for contaminated and foaming media,Pipe connecting Air Valve. Stainless steel control valve connection, EB 1:11 with internal float, EB 1.20 application for maximum air power | Valve final soft sealed or metallic | Housing GGG-40, GS-C25 | for contaminated and foaming media, various types of coating possible
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.


Applications for Tianjin U-ideal float-type air vents include hydronic heating systems, water service lines, water storage tanks, centrifugal pumps, gas lines, solvent filters and similar equipment. Operation is completely automatic, and the simple design and quality mechanism make operation trouble-free and maintenance infrequent.
Why remove air from a water system?
Every building services engineer knows that air trapped in either a hot or chilled water system can cause trouble, such as excessive noise, corrosion and increased maintenance costs. Air can cause air locks which
inhibit the filling of the system or the priming of pumps. It can seriously affect the accuracy of flow measurement meters and regulating valves. Under extreme conditions it may even temporarily decommission plant.
Air and other incondensable gases considerably reduce heat transfer efficiency. A film of air 1 mm thick presents the same barrier to heat transfer as a wall of copper 13 m thick!
Entrapped air in any water system is a threat to thermal efficiency. It is particularly damaging in a chilled water system which does not have the natural deaerating ability of hot water.

Origin	Tianjin China
Brand	Tianjin U-ideal Instrument
Connection	Flange or thread
Export Markets	Global
Packing	Wooden Case or Carton

About us	Our company is specialized in the manufacture of valves, ,flow meters,level gauges,etc
Why Choose us
Rich experience	We have been engaged in machining for many years. Our company had good reputation with customers from American, Europe, North America, and Australia, India etc. We also have a good team for sale and quality control.
Good service	We will respond to you within 24 hours. We manufacture non-standard parts according to your drawings. And we will continue to serve you after sales and will be responsible for the mistakes from us.
Low price	The prices of our production are reasonable! The prices will be much better if your quantity is good.
Perfect quality	We have strict quality control from producing to delivery. Our company had strong technology support, 80% of our colleagues are master or bachelor's degree. We have cultivated a group of managers who are familiar with product quality, good at modern concept of management.
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Product Categories : Air Valve