Mar. 10, 2025
Refrigerant flow controlling is a process of cooling that prevents overflow of refrigerant and ensures an optimal flow of it into the evaporator.
So refrigerant flow controlling gadget is used in suction, discharge, and liquid lines of air conditioners, refrigerators, and other HVAC systems.
It is called a refrigeration valve. It is the best-designed technology to maintain and regulate the rate of liquid refrigerant into the evaporator.
Having a high-quality and durable refrigeration valve from a reliable refrigeration valve manufacturer and supplier is not less important than others air conditioning parts and HVAC parts.
There are many refrigeration valves based on their different role and use, and they work differently with different refrigeration unit parts.
For a solenoid refrigeration valve, the solenoid coil stimulated it electrically and produced a magnetic field to attract iron.
As a core of the solenoid valve, the iron plunger opens its valve port by attaching a stem and pin.
The solenoid valve close when the plunger falls due to de-energization.
Miracle professionally manufactures and supplies this electrically operated automatic solenoid refrigeration valve by ensuring its durability.
The refrigeration ball valve uses a metal rotary ball having a bore.
It uses a wrench instead of a handwheel to turn on and off the valve.
By rotating the wrench a quarter, It can be fully open, partially open, and fully close.
The fluid passes freely while the refrigeration valve is in the fully open position.
The PTFE seal in the upper portion of the ball valve is connected to the wrench, which can be rotated 90 degrees around its axis.
The refrigeration shut-off valve owns a spring, hook, diaphragm, and valve.
When it's is closed, it should be manually reset or turned on.
It is controlled by a latch mechanism and linked to the spring and diaphragm above.
The gas enters by inlet and out by the outlet through the lower chamber.
The impulse line senses the pressure under the diaphragm, and it lifts the spring upwards when the pressure increases.
The inlet and outlet anchorage of a refrigeration check valve relies on the compressor's refrigerant pressure.
As an automated electric valve, the refrigeration check valve controls the stability of the raised and low pressure of the compressor.
It turns the valve off to stop the refrigerant flow when it reaches balance.
So the compressor stops working, and the backflow in the refrigeration system can be prevented.
After the restarts of ac or refrigeration system, it starts working again.
Refrigeration valves are used with many parts of the refrigeration and air conditioning system to maintain the refrigerant pressures between the evaporator and the condenser and regulate the flow of refrigerant that enters into the evaporators.
Such as refrigeration check valve, refrigeration expansion valve, refrigeration shut off valve, refrigeration ball valve, 4-way reversing refrigeration valve, roto lock refrigeration valve, refrigeration solenoid valve, etc.
We manufacture and supply the most reliable and strongest refrigeration valves and systems to regulate the refrigerant movement in your ac and refrigerations.
You will find the most suitable refrigeration valve types from our large collection for sale, which will fit your wide range of temperatures.
As a part of our plenty variants of the refrigeration valve system, the refrigeration valve for the compressor is a phenomenon.
For any hermetic or semi-hermetic or scroll compressor, we manufacture and supply the best alternative.
Miracle is the first choice of thousands of people worldwide and wholesalers who use different valves for their AC, split system, heat pump, refrigeration, repairing, charging, or replacement.
To go with different types of valves, we manufacture and supply refrigeration valve fittings and other spare parts simultaneously.
With our 20 + years of experience as a refrigeration valve manufactures and supplier.
We have the strongest monitoring system to provide quality assurance for every single refrigeration valve you want to use for after-sales repairing, vacuuming, testing, or anything else.
Miracle is the refrigeration valve supplier, also the refrigeration solution provider in China.
Although we are a young company, all the people in the team have plenty of experience in providing refrigeration solutions for commercial refrigeration before we form this team.
Such as a cold room project, air conditioning solution for supermarkets, hotels, buildings, etc.
And we are passionate about our work and our career and react fast to all situations.
For this, we have to pick the good and reliable quality parts for the whole system, with professional knowledge and years of experience for testing.
We have to know the refrigeration valve factories very well.
When we choose the refrigeration valve factory.
We pay attention to their factory strength includes their plant area, team strength, technical team ability, working experience, certificates, etc.
They must be responsible for their products and react fast to any problem that comes from the customer.
Therefore, all the refrigeration valves factories I cooperated are with more than 20 years of experience, have certificates, such as CE or UL or ISO or ISO or all of them;
They have had good cooperation with the famous brand for years.
We did a lot of works before you can see their products, to make your business simple and competitive by our efforts.
Here let me introduce the function of different refrigeration valves, to let you know more about the above refrigeration valves, the installation position, and their main role in the refrigeration system.'
The expansion valve is designed for food cold chain, cold room condensing unit, home, and commercial air conditioning field.
It's the main part of a refrigeration system, as important as compressors, evaporators, and condensers.
It should be installed between the evaporator and condenser, the outlet of the expansion valve connects the inlet of the evaporator.
It should be installed near the evaporator, as you can see in the above pic.
The main function of the expansion valve is to keep the overheating degree of the evaporator outlet at a certain level.
Miracle expansion valve is suitable for refrigerants such as R134a, R22, R404, R502, and R410a.
Goto CHT TECK to know more.
Of course, there are also richer types, such as
' Thermostatic expansion valve
' Electric expansion valve
' Internal equalizer expansion valve
' External equalizer expansion valve
For the technical info and detailed specification for the expansion valve, please kindly click to check.
The refrigeration solenoid valve has two types, directly operate type solenoid valve and servo operate solenoid valve.
It is designed for liquid line, suction line, and hot gas line of freezing, refrigeration, and air conditioning equipment.
A solenoid valve should be installed between the condenser and expansion valve.
Its main function is to cut off the system when the compressor stops working, to avoid the liquid hitting situation when the compressor restarts and is also useful for changing the direction of cooling and heating.
It is widely used for an HVAC&R system.
Miracle can supply you Danfoss type solenoid valve, one-way flow, suitable for all the HCFC, HFC refrigerants, it has a normal open and normal close type for different using demand.
You can choose different voltage and frequency solenoid valve coils according to your market and system, such as AC 220v/50hz,220v/60hz,110v/60hz, DC 12V, DC24V.
The unloading solenoid valve is an automatically loaded valve, it will be loaded according to the heat load situation of the system.
It also has a normal open and normal close type for your reference.
The coil has AC and DC to meet your requirements, its max working pressure is 30 bar, suitable for all the refrigerants.
R410 Solenoid valve is specially designed for R410a, but you can also use it for common refrigerants.
Its max working pressure can reach 45BAR, the applicable temperature can be -40' to 105'.
Castel solenoid valve is the diaphragm type solenoid valve, it is used to replace the Castel brand solenoid valve, suitable for all the common refrigerants, its max working pressure reaches 3MPA.
When filling the refrigerant with the system, add refrigeration oil, replacing the filter drier or expansion valve.
You all need a ball valve to control the opening and closing of the refrigeration system.
You can install ball valves at the inlet and outlet of the filter drier, suction accumulator, and oil separator.
Disconnect the refrigeration system by closing the ball valves to replace these refrigeration components.
When the replacement is complete, open the ball valve to reopen the entire system.
The diaphragm hand valve is a one-way manual shut-off valve.
Will be installed on the liquid, gas.
And suction pipeline of the system to divide the liquid flow area from the spindle chamber.
We provide SAE and ODF connection from 1/4 size to 7/8, click to check details.
The refrigeration globe valve is the refrigeration valve whose spindle can be automatically closed and sealed, used for commercial and industrial refrigeration systems.
We provide sizes from 7/8 to 2 1/8, or you have any special requirements,
Just contact us and let us know, we have a professional team to design for you.
Magnetic check valve adopts magnetic diaphragm design, metal sealing, inner use guide device, and self-absorbing structure design.
Therefore make sure the installation angle of the check valve has no limit, also ensure it won't be affected by the reverse pressure.
The check valve can be closed automatically, which makes the reverse direction almost zero leakage.
It is suitable for big and medium refrigeration equipment and air conditioning devices.
And it should be installed at the exhaust pipeline of the compressor for controlling the flow direction of refrigerant, to achieve the cooling and heating function.
The main function of the rotalock valve is adjusting the flow volume of the refrigerant and opening/closing the flow of the refrigerant.
Its function is controlled by the rotating parts of the rotalock valve.
We normally equip the rotalock valve as the standard parts for the liquid receiver.
The hot gas bypass valve is a mechanical device that uses the balance principle of refrigerant pressure and spring force to control the pressure of the inlet and outlet of the hot gas bypass valve.
The hot gas bypass valve which adjusts the energy can provide a method: bypass the high-pressure refrigerant to the low-pressure side to keep the system working at the given low suction pressure.
The hot gas bypass valve is mainly used for compressor rack units, variable frequency compressor units, with unloading device compressor unit, and single compressor refrigeration system without energy adjustment device.
Using the hot gas bypass valve will be a very economic solution for these units.
Main functions of the hot gas bypass valve.
Provides a virtual load.
Defrosting for the evaporator coil.
Bypass the hot gas to adjust the energy to achieve a better function.
Advantages of the hot gas bypass valve.
Preventing the short circuit of the compressor.
Preventing compressor from operating at very low suction pressure.
Preventing the evaporator from freezing at the low load.
Excellent oil return function.
After we confirm everything for products and quality things, you must hope to get the products asap, also in the economic way.
We hear your voice.
So we also have strict rules for choosing the forwarder company and shipping company.
They must be very experienced in giving the most suitable solution for different countries according to goods condition.
And ensure to provide the best price for freight, shortest delivery time, and easiest way for clearance.
So for now, we have reliable forwarder companies for different transportation ways for different markets:
And another required shipping method.
Our forwarder can cover all the global shipping lines, which ensures they can offer us the competitive price and stable space, no matter you choose ship LCL, FCL, bulk cargo, roll-on,roll-off, chartered ship, etc.
All these services are to ensure you get the products quickly at the lowest cost.
It includes the shipping by air and the shipping by express, they may all use air for delivery, but the clearance process is a little different.
The cooperated forwarder provides many options for airline companies, you can choose by yourself or follow our advice.
And ensure you will get competitive shipping rates and fast delivery.
No matter by air, by sea, or by railway.
If you want us to handle all the procedures for delivery, clearance, loading, and unloading, inland transportation.
You can choose door to door, we will take everything, you just need to collect the goods at the required place.
We provide the railway freight shipping at a good price, the forwarder will provide professional guidance in loading and arranging the container, provide 28 days free demurrage in loading at the destination port at most.
There is E-catalogue in PDF format for you to check the detailed specification, or you can directly contact us for professional guidance.
Yes, those are the main and important refrigeration valves that we want to show you, we do have other refrigeration valves and spare parts because we are the one-stop supplier for refrigeration and air conditioning, just contact us for confirmation.
Yes, we have a solution for refrigeration project customers, also for wholesalers or agents, you can buy full cartons or containers for all the refrigeration spare parts.
Yes, just provide us your specific requirements, for the package, for the label, and other demands, we will provide a solution for you.
Yes, just contact our technical team with your requirements.
Yes, all the refrigeration valves have a warranty for at least 1 year, you can check with us for a specific guaranty for different refrigeration valves.
Yes, we design and sell the complete condensing unit with all the spare parts equipped, such as refrigeration valves, controllers, compressors, oil gauge, evaporator and condenser, and so on. As long as you have demand, contact us directly.
Contact our technical team with your requirements or your project situation, we will calculate the cooling capacity or flow volume, or other important factors and give you professional advice.
If you want to learn more, please visit our website refrigeration valve suppliers.
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