Electric Water Heater Safety Valve N10151001 is a classical designed safety valve for water heaters, the valve body is hot forged in one time, which provides better leakage tightness and stands for higher pressure. Each valve is set to rated pressure and 100% leakage test during production. the disc is optional for brass and plastic.

Parameters:

• Sizes: 1/2" to 1" (DN15 to DN25)

• Working pressure: 0.6 MPa to 0.9 MPa

• Working temperature: -10 to 120℃

• Standard bore design

• Sandblasted and nickel-plated

• BSP or NPT threads available

• Customized production acceptable

• Materials: CW617N, HPb57-3, C37700, DZR

Features:

• Best seller with good quality

• 100% leakage test for each valve

• Anti-blow-out stem design

• Suitable for a full range of liquids

• Easy and swift to open and close

Parts	Material
Body	Brass
Cap	N/A
Stem	Brass
Spring	Stainless steel
disc	Plastic/brass
Handle	Plastic
Handle Spin	steel

What is electric water heater safety valve

The electric water heater safety valve is mainly composed of three parts: valve body, valve disc and loading mechanism.The valve disc is often connected with a valve stem, which is fastened on the valve seat. Above the disc is a loading mechanism, and the size of the load can be adjusted. When the pressure in the equipment is within a certain working pressure range, the force of the internal medium acting on the valve disc is less than the force applied by the loading mechanism to the valve.

Applications of electric water heater safety valve

The electric water heater safety valve is a safety device to prevent the pressure equipment and containers from bursting due to pressure rise or the internal pressure of the container exceeds the limit. The safety valve is a widely used safety device in pressure systems such as pressure vessels, boilers, and pressure pipelines to ensure the safe operation of the pressure system.

How to select electric water heater safety valves

Different functions and applications require different types of electric water heater safety valves, for example, water heater safety valve, gas safety valve, compressor safety valve, steam safety valve, safety pressure relief valve, safety release valve, depending on pipeline pressure needs, the brass radiator valves are designed with valve wall thickness and port sizes. The brass safety valve can adjust according to the water heater requirements, from 6.0MPa to 9.0Mpa.

How to install electric water heater safety valves

There is an arrow on the electric water heater safety valves, which is the direction of adding water from the tap water to the water heater. It is a one-way valve. Remember not to install in reverse. The upper end is connected to the water tank, and the lower end is connected to the mixing valve, both of which are positive buckles. The pressure relief outlet should not be blocked. When the water temperature inside is high, the pressure should be relieved by it to ensure safety. When the water pressure is too high, the water heater safety valve will automatically open to reduce the water pressure in the water tank and keep the water heater in a safe state

Chemical compositions we use for electric water heater safety valves

China electric water heater safety valves are mostly made in brass HPb57-3, HPb58-3, HPb59-1.

HPb57-3, also called China Normal brass, a variant of CW614N brass, is a local industry standard, with little Fe contents in composition, and lower costs than CW614N. It’s widely used as a standardized material in China and accepted by most global markets and customers.

Surface treatments of brass safety valves

Electric water heater safety valves are mostly rough color or nickel-plated.

The electroplated nickel layer has high performance in the air. Due to the strong passivization ability of metallic nickel, a very thin passivization film can be quickly formed on the surface of electric water heater safety valve, which can resist the corrosion of the atmosphere, alkali and certain acids. Electroplated nickel crystals are extremely small and have excellent polishing performance. The polished nickel coating can get a mirror-like gloss appearance of electric water heater safety valve, while maintaining its gloss for a long time in the atmosphere. Therefore, the electroplated layer is often used for decoration. The hardness of the nickel plating layer is relatively high, which can improve the wear resistance of the surface of the electric water heater safety valve. In the printing industry, the nickel plating layer is commonly used to increase the hardness of the lead surface.

How we produce electric water heater safety valves

The production of electric water heater safety valves are mainly have 8 steps,

How we pack electric water heater safety valves

Electric water heater safety valve packing is very important for safe transport and brand appearance.

We pack Electric water heater safety valves in small inner boxes, then put into outer cartons, finally load in wooden pallets.

It will protect the goods well and can avoid damages and wet.

We also pack as per customers' OEM designs.

How we test electric water heater safety valves

Electric water heater safety valve is generally installed at the water inlet pipe of heater, which can only indicate that the water is normal. If there is no problem with the water outlet in the experiment, use a wrench to unscrew the soft connecting pipe counterclockwise at the hot water outlet to see the running water. Is it smooth (you can test it out without unscrewing it completely. At this time, the water is under certain pressure). There is no pressure, indicating that there is a blockage inside. Unscrew the nozzle and open the valve to see if the water flow is smooth. Remember, the pressure of the electric water heater safety valve comes from the pressure of the tap water itself. If you close the water angle valve of the electric water heater, it will definitely not flow, and of course there will be no water from the nozzle.

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