The automatic filling valves consist of a pressure reducing valve, a filter, a shut-off valve and a check valve, and are designed for automatic filling of HVAC s with open or closed expansion vessel.
Automatic filling valve complete with check valve, manual shut-off, stainless steel filter and vent screw. CW617N brass body. Impact-resistant plastic cap. 1/4” F pressure gauge connection. Max. upstream pressure: 10 bar. Adjustable downstream pressure: 1-5 bar.
When fitted between the mains water supply and the HVAC , the automatic filling valves quickly and automatically replace any water lost from the , and keep the downstream pressure stable at a set operating value. The valves are equipped with a manual shut-off valve at the bottom, for shutting off the water supply to the . A check valve built into the body prevents possible backflow, which could otherwise contaminate the mains water supply
Automatic filling valves must be installed according to the direction of the arrow stamped on the valve body. The valve can be installed either vertically or horizontally but avoid positioning the valve upside down as this could cause debris to accumulate on the diaphragm over time, reducing its sensitivity to small pressure variations. For quicker filling, make sure the regulating valve is fully open, although it is advisable to introduce the water slowly enough to avoid the formation of air pockets, which are difficult to expel. When filling, the device ensures that all water supplied from the mains is filtered. To prevent uncontrolled flows of water into the , which would prevent leak detection, you are advised to close the shut-off valve after filling. The pressure gauge will indicate any leaks, which, if continuous, must be promptly identified and eliminated. You are advised to install a bypass on the filling valve in order to shorten filling times and facilitate maintenance.
Brass automatic filling valve
Brass body
Max. upstream pressure: 10 bar
Downstream setting pressure range: 1 ~ 5 bar
Max. working temperature: 60℃
XuanAnJu company was established in 2002 and renamed to XuanAnJu HVAC Technology Co., ltd in 2017. It is specified in manufacturing various Thermostatic Radiator Valves, Radiator Valves and other brass fittings. Thermostatic Radiator Valve are mainly use in central HVAC and floor HVAC s. The product can regulate hot water flow rate to control room temperature. It has been applying widely in many key energy saving and environmental protection projects.
Our company has passed ISO9001 quality management in 2003 and got EN215 certification in 2011. It is equipped with various testing and inspecting equipments to guarantee the quality of our products. The products that produced by our company all meet the requirements of our customers.
Q: How long is your product guarantee period?
A: We have three-year guarantee.
Q: What is your MOQ?
A: For OEM product we have different MOQ for various product, and for ODM product we do not have MOQ because we will deliver the products from our stock in warehouse.
Q: Can you accept OEM?
A: We can do OEM but we require a certain MOQ.
Q: How long is your delivery time?
A: For the items if we have enough stocks, we can send to you immediately. For mass production, we can promise 30-45 days.
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CW617N Automatic Filling Valve 1/2'' M X F Pressure Reducing Valve 15mm Images
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