ATO brass pressure relief valve is a highly efficient spring loaded safety valve designed to prevent overpressurization of piping systems. It is made of high quality HPb59-1 brass with a rated pressure of 1.6MPa and is suitable for water, oil, non-corrosive, non-flammable gases and other media. This pressure relief valve has a unidirectional flow design to ensure stable system pressure, can work in the range of -10°C to 120°C, and has been verified by 50,000 tests to ensure long-term stable use.
Specification
Model |
ATO-YQ-4502 |
Nominal Diameter |
DN15 |
DN20 |
DN25 |
DN32 |
DN40 |
DN50 |
Interface Size |
1/2 inch |
3/4 inch |
1 inch |
1-1/4 inch |
1-1/2 inch |
2 inch |
Material |
Brass HPb59-1 |
Nominal Pressure |
1.6MPa |
Valve Type |
Spring loaded safety valves |
Connection Type |
Wire buckle |
Driving Method |
Manual |
Channel Position |
Two way type |
Lining/ Seal Material |
Polytetrafluoroethylene |
Flow Mode |
Unidirectional flow |
Applicable Temperature |
-10℃ ≤ T ≤ 120℃ |
Test |
Form test life 50,000 times normal use |
Threaded |
Comply with ISO 228 standard |
Working Media |
Water, oil, non-corrosive non-flammable gas |
Warranty |
Non-artificial cause, warranty 3 years |
Net Weight |
400g |
670g |
960g |
1587g |
2436g |
3960g |
Dimensional Drawing (unit: mm)
Interface Size |
L (mm) |
H1 (mm) |
H (mm) |
1/2" |
31.5 |
119 |
143.5 |
3/4" |
38 |
147 |
179 |
1" |
42.5 |
168 |
204 |
1-1/4" |
53 |
176 |
223 |
1-1/2" |
61 |
219 |
273 |
2" |
73.5 |
258 |
322 |
Application
Tips: What is a brass pressure relief valve?
A brass pressure relief valve is a safety device that is used to control pressure inside a pipe or piece of equipment. It is made of corrosion-resistant brass and is able to withstand high temperatures and high-pressure environments. When the pressure inside the system exceeds the set value, the pressure relief valve will automatically open to release the excess pressure to the outside, thus preventing equipment damage or danger. This type of valve is widely used in boilers, compressors, piping systems and other equipment requiring pressure control.
In order to ensure the normal operation of the brass pressure relief valve, regular maintenance and repair is very important. First, check the valve regularly for leakage or damage. Secondly, make sure that the spring and sealing parts of the valve are not worn or corroded. Clean the surface of the valve to avoid impurities or dirt from affecting the normal operation of the valve. Test the pressure setting of the valve regularly to ensure that it is operating within the correct range. If you find that the valve cannot open or close properly or has other abnormalities, it needs to be repaired or replaced promptly.