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

Oil Filter
- Compressor Oil Filter
  - Carrier Compressor Oil Filter
  - Carrier Compressor Oil Filter 23XR05004501
- Screw Compressor Oil Filter
Sensor
- Temperature Sensor
- Pressure Transducer
- Oil Temperature Sensor
Valve
- Expansion Valve
- Relief Valve
- Solenoid Valve
  - YORK 025G00038-049 Solenoid Valve
Compressor Oil
- Trane Oil00048 Lubricating Oil
- Trane Oil00372 Lubricating Oil
- Trane Oil00315 Lubricating Oil
- York Compressor Oil H 011-00549-000
- York 011-00922-000 Lubricating Oil/S OIL
Circuit Board
- Control Board
- Main Board
  - York 331-02430-606/031-02430-000/031-02431-000/031-02429-001 Microboard
- Logic Board
- Start Module Circuit Board
Electronic Screen
- Keypad
- Touch Screen
- Display Screen
  - Trane MOD02092 Display Screen
  - Trane Display Screen
Actuator
- Liquid Level Actuator
  - Trane Level Actuator
- Motor Actuator
Switch
- Pressure Switch
- Oil Level Switch
Bearing
- Piston Compressor Bearing
- Centrifugal Compressor Bearing
  - YORK RT18-32 Resistance
  - YORK 464-50720-000 KIT, SHAFT SEAL
- High Speed Bearing
- Low Speed Bearing
- Rear Bearing
Compressor
- Piston Compressor
- Screw Compressor
  - Carrier Screw Compressor 06NW2250S7NAA00
Overhaul Parts
- York SHAFT SEAL 464-50720-000 KIT, SHAFT SEAL
- York 364-51220-000 SHAFT CONTROL PRV
- York 029-22429-001 Seal Shaft
- York 029 24153 000 Bearing
- York 029-20839-002 Bearing
- York 064-49161-000 BRG, L.S. / Low Speed Bearing
- York 064-49159-000 COLLAR, H.S.-THRUST
- York 064-49158 000 COLLAR, L.S.
- York SEAL, DOUBLE SHAFT 029-25041-000
- York 029-22454-000 SEAL, DOUBLE SHAFT
- York 029-22454-000
- York 029-22451-000 Bearing Shaft Seal
- York 029-22450-000 Bearing Shaft Seal
- York 029-22429-000 Shaft Seal
- York 028-04836-000 Gasket
- York 026-46326-002 Pump Oil
- York 026-32328-000 Thermo Well
- York 031-01710-000 Original Factory Control Board
- York 031-01624-000 Bus Isolator Board (DCB Isolator Filter Board)
- YORK Control Board 031-01095-002 031-03463-001
- YORK 025L02408 000 / PCB POWER
- YORK 025-45462-042 EEV Driver Board
- York 025-43893-000 YK-ELINK100-0, Board No. 25-2698-18)
- York Actuator 025-38178-00
- York 064-47751-000 Gasket
- YORK Angle Valve 022-09503-000
- YORK Screw Cap 021-33190-100
- YORK Screw Cap 021-31125-000
- YORK Temperature Control Valve 022-09569-000
- YORK 025-40105-000 FAN WT18089115BH
- YORK Electromagnetic Valve 025G00038-049
- YORK Fuse 025-40786-000
- YORK 025-39681-000 FUSE
- YORK TERMINAL 025-32933-000
- YORK 028-11977-000 Seal Ring
- YORK 026-41943-000 FAN
- YORK 025-32557-000 FAN
- YORK 025-35972-000 Capacitor
- YORK Fuse 025-39681-00
- YORK 026-46487-000 Sight Glass
- TRANE RNG01699 GASKET
- TRANE GKT03868 GASKET
- TRANE GKT03865 GASKET
- TRANE FLR01650 GASKET
- YORK 028-12703-000 Gasket
- YORK 364-47164-000 O-ring KIT
- YORK 028-12213-000O-ring
- YORK 075-02359-000 O-ring
- YORK 028-12210-000 O-ring
- YORK 028-00781-000 O-ring
- YORK 029-22710-005 O-ring
- YORK 021-19100-000 Gasket
Capacitor
- York 025-35972-000 Bus Snubber Capacitor
O-Ring/Seal/Gasket
- York 028 12961 006 O-RING
- York 028 12961 005 O-RING
- York 028 12961 004 O-RING
- York 028 12209 000 O-RING
- York 028 12200 000 O-RING
- York 021-18660-000 Terminal Stud
Oil Heater
- York 025-29119-000 Heater
- York Oil Heater 025-33703-000
Others
- York LD421250A14 HVAC Parts Powerex（POW-R-BLOK™
- York 571-06854-271 WIRING POWER SUPPLY YD
- York 571-03774-272 WIRING POWER SUPPLY YD
- York 229-13813-800 SPRING
- York 229-13248-800 SPRING
- York 071-04181-320 Bus Plate
- York 071-04181-309 Bus Plate / Phase Bank
- York 031-02639-000 module
- York 026-46798-000 Micro-channel Condenser Coil
- York 026-37571-000 Front Liquid Level Sight Gauge
- York 026-32328-000 WELL THERMO
- York VSD Resistor 025-35157-000 VSD Resistor
- York Potentiometer 025-02352-018
Fan
- York 025-32557-000 WT18089115BH Fan
Fuse
- York 026-26116-200 Flow Control Spdt
- York 025-42601-000 1000A 170M5166 High-Speed Square Body Fuse
Level Sensor
- York Level Sensor 325-44846-001
EPROM
Heat Exchanger
Module
Contactor
Motor
Pump
SHIM
Angle Valve
Cable
Flow Switch

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.

Trane VAL12873 Compressor Service Valve – 3-1/8" 2-Way Angle Type, Cast Iron, Welded, R...
VAL12873 is a Trane original factory service valve for compressors. It is a 3-1/8 inch two-way angle type with a cast iron valve body and welded connections. It replaces the old part number VAL07370.
YORK Compressor Angel Valve 022-09503-000
**Part No.: 022-09503-000**This is YORK OEM transducer valve with 1/4 MPT connection. It serves as the isolation interface between the refrigerant circuit and pressure transducer, enabling safe
YORK Compressor Relief Valve 022-12045-000
**Part No.: 022-12045-000**This is YORK OEM pressure relief valve, set at 375 PSI. Inlet: 3/8” female NPT; outlet: 1/2” flare. It automatically releases excessive refrigerant pressure to protect
Trane VAL02403 Solenoid Valve Body – 2-Way, 5/8" ODF X 5/8" ODF, 5/16" Port, 300 PSI (L...
The Trane VAL02403 is the original factory's standard two-position normally closed solenoid valve body, specifically designed for the refrigerant piping control of screw-type chillers. It is commonly
Trane VAL10766C Safety Relief Valve – DN20 (3/4"), Spring-Loaded Pressure Relief Valve ...
The Trane VAL10766C is an original factory spring-type safety valve (Safety / Relief Valve), serving as the final safety barrier in the pressure system of the chiller unit. When the pressure inside
Trane VAL05949 Relief Valve / Safety Valve – 250-200 PSI, 1" NPTI Outlet, 1-5/16" Inlet...
Trane VAL05949 is an original factory safety valve (Relief Valve / Safety Valve), serving as the final safety barrier in the pressure system of the chiller unit. When the pressure inside the
Trane VAL00311C Safety Relief Valve For Chiller Condenser / Evaporator (X15120723020) –...
The Trane VAL00311C is an original factory spring-type safety valve (Relief Valve / Safety Valve), with a nominal diameter of DN20, a set pressure of 2.07 MPa. It is the final safety barrier in the
YORK 026-46326-002 Pump
YORK original YK centrifugal oil pump, part number 026-46326-002, flow rate 20 GPM, metal pump body, used for compressor lubricating oil circulation, made in the US, can be directly replaced in place.
YORK 025-40330-000 Valve
YORK original energy-saving device electromagnetic valve, part number 025-40330-000, 120V, 50/60Hz universal, 1-1/4 inch interface, brass valve body, used to control the on/off of air or refrigerant
YORK 025-38178-001 Actuator
YORK 025-38178-001 Electric Actuator, genuine OEM 24V replacement actuator for YORK chillers and commercial HVAC equipment. 266 in-lb torque, 90-degree rotation, 120-135 second travel time, drives
YORK 025-32902-000 Thermal Expansion Valve
YORK 025-32902-000 Thermal Expansion Valve Power Head Assembly, genuine OEM TXV power element for YORK chillers and HVAC systems. Senses evaporator outlet temperature and modulates the valve pin to
YORK 025-16988-000 VALVE
YORK 025-16988-000 3-Way Solenoid Valve, genuine OEM 120V AC 1/4 NPT solenoid valve for YORK chillers and HVAC systems. Three-port design redirects refrigerant or fluid flow between circuits when

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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

productcate-1-1

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 VAL05949, Carrier New 19XR 19XRV Safety valve, Trane Relief Valve