Non Slam Anti Water-Hammer Wastewater Combination Air Valve
Model No.: R-4000
1.Anti-surge non slam anti water-hammer wastewater combination air valve
. Built-in surge prevention system.
. Flanges from DN 50 to 200 mm.
.Flanges drilling: EN1092/2, different on request.
. Fluid: raw sewage.
. Pressure range: PN 10-16.
2.Anti-slam surge prevention wastewater combination air valve
. Anti-slam system in stainless steel with adjustable nozzles.
.Connections: threaded 2" BSP F; NPT or flanges on request.
.Fluid: raw sewage.
. Pressure range: PN 10-16.
3.AV99 Anti water hammer valve used to cushion the water hammer effect. It will discharge a sufficient quantity of water to avoid overpressure in the pipeline.
The Industries Wastewater Air Release Valve exhausts air and sewage gas from pressurized sewage systems or force mains. The valve's elongated body minimizes aspiration and helps keep solids and debris from affecting operation.
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.
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.
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.
|Brand||Tianjin U-ideal Instrument|
|Connection||Flange or thread|
|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.|
|If you have any question or requirements, please don't hesitate to contact us.|
Tel: 86-22 88971536
Fax: 86-22 88971536
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Product Categories : Air Valve
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