China Relief Valve Manufacturers Suppliers - Good Price Relief Valve for Sale

Your Professional Relief Valve Supplier

XINXIANG KAIRUI REFRIGERATION EQUIPMENT CO., LTD,is a professional manufacturing company integrating scientific research, design,production sales and service that serve the global. Our factory mainly produce all kinds of refrigeration filter and can be used for Carrier YORK, TRANE McQuay Bitzer Refcomp brand refrigeration units such as the supporting filter spot sales (part). We also sell chiller spare parts for these brands.

Professional Team

Our team of proficient experts is dedicated to building long-term partnerships with clients by delivering impeccable and reliable services.

Custom Service

We provide tailored solutions for the customization of various filter types to meet specific customer requirements.

Reasonable Price

We are committed to offering superior service and high-quality products at competitive and cost-effective prices.

Advanced Equipment

We have adopted world-leading technology and equipment from Europe and the United States, and have implemented robust quality control procedures and advanced production lines.

Carrier Relief Valve
UM12AQ030 can automatically open and close according to the actual pressure of the system, without manual intervention, improving the degree of automation of the system. The valve uses precision
York Relief Valve
Leading the new trend in air conditioning technology, the Carrier Solenoid Valve UM12AQ030 defines the future with superior performance. As an elite work of Carrier brand, UM12AQ030 solenoid valve is
Trane Relief Valve
Trane Relief Valve VAL05949 is a high quality, high performance pressure Relief Valve product with high precision, reliability, safety and adaptability. Trane Relief Valve VAL05949 usually has high
York Angle Valve
York Angle Valve 022-09503-000 is an Angle valve with high precision, strong reliability and corrosion resistance, widely used in refrigeration and air conditioning systems. The user should follow
Trane Angle Valve
The rane Angle Valve VAL07951 is an Angle valve with high accuracy, high reliability and corrosion resistance, which is widely used in refrigeration and air conditioning systems. The user should

Specification

Size	1"-4"
Material	316L , 304
Weight	Depend on the final package
Color	Depend on the final package

Types of Relief Valve

The boxes produced by our company mainly include the following types:

Carrier Relief Valve

UM12AQ030 can automatically open and close according to the actual pressure of the system, without manual intervention, improving the degree of automation of the system.

York Relief Valve

As an elite work of Carrier brand, UM12AQ030 solenoid valve is precisely regulated to ensure smooth and efficient air conditioning system and create a constant temperature and comfortable space for you.

Trane Relief Valve

Trane Relief Valve VAL05949 is a high quality, high performance pressure Relief Valve product with high precision, reliability, safety and adaptability. Trane Relief Valve VAL05949 usually has high precision and can accurately control the pressure in the system.

Advantages of Relief Valve

Preventing System Failures

Pressure relief valves act as a safeguard against system failures. When pressure builds up beyond safe levels, these valves open to release the excess, preventing potential damage.

Protecting Equipment and Personnel

By controlling pressure surges, pressure relief valves protect your equipment from damage. They ensure that machinery operates within safe limits, reducing the risk of accidents.

Maintaining Optimal System Performance

Pressure relief valves ensure that your system operates at peak efficiency. By preventing pressure build-up, they maintain stable conditions, allowing machinery to function smoothly.

Reducing Maintenance Costs

Regular maintenance of pressure relief valves minimizes the risk of unexpected failures. By keeping these valves in good condition, you reduce the likelihood of costly repairs and replacements.

Applications of Relief Valve

Industrial Processes

Protecting equipment and pipelines in chemical, petrochemical, and power generation industries from overpressure conditions.

Boilers and Pressure Vessels

Ensuring safety by releasing excess pressure in boilers and pressure vessels to prevent explosions or damage.

Hydraulic Systems

Maintaining safe pressure levels in hydraulic systems to protect pumps, hoses, and other components.

Refrigeration Systems

Preventing pressure buildup due to thermal expansion in closed-loop refrigeration and air conditioning systems.

Water and Wastewater Systems

Controlling pressure in water distribution and wastewater treatment systems to prevent pipe bursts and equipment damage.

Precautions for Installing Relief Valve

1. Mount the valve vertically, keeping it upright with a spindle vertical

2. Avoid over-tightening of the valve

3. Male threads should be applied only to pipe dops.

4. The inlet pipe should be short and direct. The inlet should not be of a smaller diameter than the valve.

5. The inlet should not be near an unstable area.

6. The outlet pipe should be always supported. In other cases, it can lead to excessive leakage.

7. To achieve the maximum capacity of the valve, the outlet pipe should be as large as the valve outlet size.

8. The outlet pipe should not cause any strain on the valve due to thermal expansion

9. The valve set point should not be kept really close to the excess pressure set point of the system

10. Try not to test your valve too many times, as it allows dirt and other external particles to enter the system.

Relief Valve Adjustment Steps

Depressurize the system and isolate the valve. Remember to wear appropriate PPE.

Locate the valve’s adjustment screw, typically found underneath a protective cap.

To adjust the valve’s pressure setpoint, turn the screw clockwise (to increase the setpoint) or counterclockwise (to decrease it).

Repressurize the system to test the performance of the valve and verify it operates at the new setpoint.

Reinstall the cap to secure the adjustment screw and maintain the setting.

Packaging and Shipping

Packaging	Wooden cases and cartons and so on
Shipping	UPS, DHL, FeDex, Sea and air freight, etc

Our Factory

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FAQ

Q: What are the rules for a pressure relief valve?

A: They shall be set to open at not less than 25 psi (172 kPa) above the system pressure and not greater than 150 psi (1034 kPa). The relief-valve setting shall not exceed the rated working pressure of the tank.

Q: How does a relief valve work?

A: A pressure relief valve works by automatically releasing excess pressure from a system, preventing damage or unsafe conditions. It functions by opening a valve to vent fluid when the pressure exceeds a predetermined setpoint, and then automatically closing when the pressure returns to a safe level.

Q: How often should pressure relief valves be replaced?

A: While a high-quality valve, well-maintained, can last for well over a decade at most, its longevity depends on a host of factors—even a valve built to high standards and dutifully maintained will have a shorter lifespan if its operating conditions are especially harsh or high-stress.

Q: How to Open a Pressure Relief Valve？

A: While performing maintenance on your valve, you may need to open the valve manually to inspect it. To safely open the valve, follow these steps:
To protect yourself and others, wear appropriate PPE and confirm the system is depressurized before working on the valve.
Locate the valve’s lift lever or release mechanism. Consult the valve’s documentation for help.
Slowly pull or rotate the lever to gradually release pressure. Be prepared for a discharge of fluid or gas.
Once the pressure is released, carefully return the lever to its original position.

Q: What is the difference between the pressure safety valve and pressure relief valve?

A: The relief valve can be described as the relief device on a filled vessel and this valve opening will be proportional to the increase in vessel pressure. Due to this, the valve opening is not quick, so if the pressure is increased gradually then the valve will open gradually. The safety valve can be described as a relief device on a compressible filled vessel. The valve opening is very quickly when compared to the relief valve, so if the pressure exceeds the set pressure then the valve will open fully.

Q: What are the factors that must be considered while selecting a pressure relief valve?

A: The relief capacity must be sufficient to vent vapor at a rate in which it is generated. The driving source must be considered that creates overpressure, mostly it could be the external and internal heat load. The vapor relief devices must be selected considering the air equivalent basis.

As one of the leading relief valve manufacturers and suppliers in China, we warmly welcome you to buy high quality relief valve for sale here from our factory. Good service and competitive price are available.

Trane VAL01190, Trane VAL10766C, Trane VAL00311C