Your Professional Expansion 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 Expansion Valve
    Carrier expansion valve 034G3503 is an electronic expansion valve used to regulate refrigerant flow in refrigeration systems. By precisely controlling the flow of refrigerant, the expansion valve
  • York Expansion Valve 034G0507
    Equipped with Danfoss 034G0507 electronic expansion valve from York, this product precisely regulates the refrigerant flow, stably controls the evaporator superheat, and is suitable for York water
  • York Expansion Valve ETS50C 034G7702
    ### York ETS50C 034G7702 Electronic Expansion ValveThis model is the Danfoss Hummingbird series ETS50C electronic expansion valve(Danfoss original part number 034G7702) provided by York. It is a
  • York Expansion Valve 025-44027-000/ETS400 034G3500
    YORK 025-44027-000 corresponds to Danfoss ETS400 type electronic expansion valve (Danfoss model code 034G3500), which is a large cooling capacity refrigerant throttling control component provided by
  • York Expansion Valve ETS250 034G2602
    ETS250 034G2602 is a Danfoss electronic expansion valve originally provided by the manufacturer for York's large-sized medium-sized water chillers. It is the core control component for throttling and
  • Trane VAL12001 Valve
    Trane VAL12001 electronic expansion valve, an original component of Trane refrigeration units, regulates the throttling and pressure reduction, and precisely controls the refrigerant flow to match
  • Trane VAL10643 Valve
    The Trane VAL10643 control valve is an original component of screw chiller units. It is used for regulating the oil and air circuits of the unit, controlling the loading and unloading of the
  • York Expansion Valve 025-35133-000
    York expansion valve 025 35133 000 Precision components of York expansion valve 025-35133-000, which is widely used in high-end refrigeration systems, is the key to regulating refrigerant flow and
  • York Expansion Valve 025-44027
    York expansion valve 025 44027 000,You are not alive, but you carry the weight of love,In your world, love is precisely regulated,Not too hot, not too cool, just right.Let us be like this valve,In
  • York Expansion Valve 025-41565-000
    York expansion valve 025 41565 000 York Expansion Valve 025-41565-000 represents the advancement and innovation of refrigeration technology in the field of electronic expansion valves. With the
  • Carrier Expansion Valve 32GB402544
    Carrier expansion valve 32GB402544Carrier Expansion Valve 32GB402544 performs well in precise control, fast response, high energy efficiency, adaptability, reliability and durability, and intelligent
  • Carrier Expansion Valve 034G0508
    Carrier expansion valve 034G0508The R&D center of Carrier Refrigeration Technology Co., LTD., a place full of innovation and dreams. There is an unusual atmosphere in the R&D center, as a new
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Specification
 

Type

Expansion valve

Voltage

24V DC

Pressure

60 bar

Connection Size

1-3/8 x 1-3/8" (35 x 35 mm) ODF

Temperature Range

-40℃ ... +80°C

 

Types of Expansion Valve

 

The expansion valves produced by our company mainly include the following types:

 
01
 

Trane Expansion Valve

The Trane Expansion Valve MOD02687 is an electronic expansion valve manufactured by Trane, which is commonly used in air conditioning and refrigeration systems to control the flow of refrigerant, thereby ensuring efficient operation of the system and achieving precise regulation of system temperature and pressure.

 
02
 

Danfoss Electronic Expansion Valve

Danfoss Expansion Valve 034G4221 is a type of electronic expansion valve used in refrigeration and air conditioning systems to regulate the temperature and pressure of the system by precisely controlling the flow of refrigerant.

 
03
 

Fenshen Expansion Valve

The thermal expansion valve ETV13N controls the opening of the valve by feeling the refrigerant superheat at the evaporator outlet, so as to adjust the liquid refrigerant supply into the evaporator.

Fenshen Expansion Valve

 

Advantages of Expansion Valve
 
Danfoss Electronic Expansion Valve

It Saves You Money: An air conditioner with a expansion valve goes a long way in saving you money over time because your system only uses the necessary amount of refrigerant.

 

Protects Your AC Compressor: A expansion valve helps controls the flow of refrigerant through your system; therefore, your compressor avoids damage.

 

Reduces Environmental Impact: Having an HVAC system with a expansion valve ensures that it is performing at peak efficiency.

 

Increases System Responsiveness: A system with a expansion valve is likely to respond to commands faster than one without.

 

Maintains the Right Refrigerant Levels: A thermal expansion valve may salvage the situation by helping the system maintain the necessary refrigerant levels.

 

Enhances Temperature Control: Expansion valve controls the flow of refrigerant through your system based on the set temperature. This, therefore, gives you control over the temperatures and comfortability of your home.

 

Provides Consistent Temperatures: A expansion valve helps your AC system maintain consistent temperature throughout the rooms in your home.

 

Boosts the Efficiency of Your System: We recommend having a system with a expansion valve or having it installed because it allows your system to achieve peak performance.

 

Applications of Expansion Valve
 
Trane Expansion Valve
 

Household Refrigeration Equipment

Expansion valves are used in household refrigeration equipment such as refrigerators and freezers. They ensure that these appliances operate within the appropriate temperature range while providing efficient cooling performance.

 

Commercial Refrigeration Equipment

Commercial refrigeration equipment, like supermarket refrigerated and freezer displays, also extensively utilize expansion valves. These systems need to adapt to constantly changing loads to maintain the quality and safety of food and goods.

4
47
 

Air Conditioning Systems

Expansion valves play a crucial role in various air conditioning systems, including central air conditioning and split systems. They ensure that air conditioning systems deliver the required temperature control and energy efficiency.

 

Industrial Refrigeration

The industrial refrigeration sector also extensively employs expansion valves for temperature and pressure control to meet the requirements of different industrial processes.

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Precautions For Installing The Expansion Valve

 

1. All valve fittings and exterior parts of the system should be thoroughly cleaned before you begin the soldering or brazing process.
2. You must wrap a wet cloth around the thermostatic expansion valve to protect the expansion valve from extra heat. This wet cloth will give the system a good ⅓” to ½” protection, ensuring that the soldering or brazing torch is aimed away from the expansion valve.
3. It is imperative to not use excessive solder or flux during the process as the excess might flow into the expansion valve and prevent its efficient operation.
4. The expansion valve usually comes with a sensing bulb which can control the thermostatic expansion valve. This bulb should be clamped to the suction line of the refrigerant so that it can monitor the temperature of the system.
5. The thermostatic expansion valve should be installed close to the air conditioning or heat pump.
6. If your expansion valve uses an external pressure equalization ability, this equalizing pressure line should be connected with the suction line, right after the temperature sensing bulb that is installed with the thermostatic expansion valve.
7. The thermostatic expansion valve is only responsible for the flow of the refrigerant into the evaporator, it cannot control several other variables in the system like the temperature, head pressure, suction pressure, capacity and humidity in the system.
8. This might not be the most convenient step for all, but it is advised to install the expansion valve in a vertical and upright position. This makes it easier to service the expansion valve.

 

Ordering Process
 

 

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 is an expansion valve and what does it do in my HVAC system?

A: Expansion valves are a crucial component in any refrigeration cycle. They control the flow of refrigerant into the evaporator coil and regulate the pressure and temperature of the refrigerant. Thermostatic expansion valves (TXV) are the most common type found in residential homes, while electronic expansion valves (EEV) are more precise and found in newer systems.

Q: What is the basic principle of expansion valve?

A: The expansion valve removes pressure from the liquid refrigerant to allow expansion or change of state from a liquid to a vapor in the evaporator. The high-pressure liquid refrigerant entering the expansion valve is quite warm. This may be verified by feeling the liquid line at its connection to the expansion valve.

Q: What are the three types of expansion valves?

A: There are three different types of expansion valves; Block, Externally Equalized and Internally equalized. Externally Equalized has a line with a fitting and nut, which are connected from the lower side of the expansion valves diaphram to a point on the low side hose (between the evaporator and the compressor).

Q: How can I tell if my expansion valve is faulty or needs replacement?

A: Unfortunately, symptoms of a faulty expansion valve are similar to those indicating other AC issues. That said, if your expansion valve needs replacing, you may be seeing frost or ice on the evaporator coil, higher energy bills, and reduced system efficiency. You may also notice your AC isn’t as cool as normal and runs in shorter cycles.

Q: Can I replace the expansion valve in my AC?

A: Experts do not recommend that homeowners try to replace or repair expansion valves themselves. Beyond safety concerns surrounding working with a high-pressure system, working with hazardous chemicals, like refrigerant, requires a license. Professional-grade tools are also necessary to make these repairs, which are not cheap and are not common in household toolboxes.

Q: How to select and install a thermostatic expansion valve?

A: The selection of these valves depends on the manufacturer’s model catalog and the type of refrigerant used in the system. Additionally, factors such as evaporator capacity, refrigerant charge, evaporator temperature, condenser temperature, etc., must be taken into account.

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

York 025 38170 000, Carrier Expansion Valve, Carrier 32GB404534
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