# China Solenoid Valve, Expansion Valve, Ball Valve Manufacturer, Supplier, Factory - Sanheng

> Sanheng is one of the leading manufacturer and supplier in China, specializing in the production of solenoid valve, expansion valve, ball valve, etc. If you are searching for a factory, please consider us. You can rest assured when purchasing products from our factory, as we offer excellent after-sales service and ensure timely delivery.

## Home

- [Home](https://www.sanhengvalves.com/)

## Why Choose Us

- [Why Choose Us](https://www.sanhengvalves.com/about.html)
- [Send Inquiry](https://www.sanhengvalves.com/message.html)
- [Contact Us](https://www.sanhengvalves.com/contact.html)

## Products

- [Products](https://www.sanhengvalves.com/products.html)
- [Solenoid Valve](https://www.sanhengvalves.com/solenoid-valve)
- [Expansion Valve](https://www.sanhengvalves.com/expansion-valve)
- [Pressure Regulator](https://www.sanhengvalves.com/pressure-regulator)
- [Ball Valve](https://www.sanhengvalves.com/ball-valve)
- [Compressor](https://www.sanhengvalves.com/compressor)
- [Refrigeration Solenoid Valve](https://www.sanhengvalves.com/refrigeration-solenoid-valve)
- [Normally Open Solenoid Valve](https://www.sanhengvalves.com/normally-open-solenoid-valve)
- [Refrigeration Truck Solenoid Valve](https://www.sanhengvalves.com/refrigeration-truck-solenoid-valve)
- [Small Flow Solenoid Valve](https://www.sanhengvalves.com/small-flow-solenoid-valve)
- [Conditioning Expansion Valve](https://www.sanhengvalves.com/conditioning-expansion-valve)
- [Thermal Expansion Valves](https://www.sanhengvalves.com/thermal-expansion-valves)
- [Condenser](https://www.sanhengvalves.com/condenser)
- [Water-cooled Condenser](https://www.sanhengvalves.com/water-cooled-condenser)
- [Cold Storage Room Parts](https://www.sanhengvalves.com/cold-storage-room-parts)
- [Cold Storage Room Door Hinge](https://www.sanhengvalves.com/cold-storage-room-door-hinge)
- [DC12V24V AC220V Refrigeration Solenoid Valve](https://www.sanhengvalves.com/dc12v24v-ac220v-refrigeration-solenoid-valve.html)
- [Refrigeration Unit Industrial Solenoid Valve](https://www.sanhengvalves.com/refrigeration-unit-industrial-solenoid-valve.html)
- [Thread Welded Refrigeration Solenoid Valve](https://www.sanhengvalves.com/thread-welded-refrigeration-solenoid-valve.html)
- [Large Body Normally Close Refrigeration Solenoid Valve](https://www.sanhengvalves.com/large-body-normally-close-refrigeration-solenoid-valve.html)
- [Normally Open Refrigeration Solenoid Valve](https://www.sanhengvalves.com/normally-open-refrigeration-solenoid-valve.html)
- [Thermal Expansion Valves For Industrial Use](https://www.sanhengvalves.com/thermal-expansion-valves-for-industrial-use.html)
- [Thermal Expansion Valves For Refrigeration Unit](https://www.sanhengvalves.com/thermal-expansion-valves-for-refrigeration-unit.html)
- [Thermal Expansion Valve For Cold Storage](https://www.sanhengvalves.com/thermal-expansion-valve-for-cold-storage.html)
- [Thermal Expansion Valve For Freezer](https://www.sanhengvalves.com/thermal-expansion-valve-for-freezer.html)
- [Replaceable Orifice Thermal Expansion Valve](https://www.sanhengvalves.com/replaceable-orifice-thermal-expansion-valve.html)
- [Electronic Expansion Valve](https://www.sanhengvalves.com/lectronic-expansion-valve.html)
- [Split Thermal Expansion Valve](https://www.sanhengvalves.com/split-thermal-expansion-valve.html)
- [Evaporator Pressure Regulator](https://www.sanhengvalves.com/evaporator-pressure-regulator.html)
- [Condensing Pressure Regulator](https://www.sanhengvalves.com/condensing-pressure-regulator.html)
- [Crankcase Pressure Regulator](https://www.sanhengvalves.com/crankcase-pressure-regulator.html)
- [Hot Gas Bypass Regulator](https://www.sanhengvalves.com/hot-gas-bypass-regulator.html)
- [Refrigerant Ball Valve](https://www.sanhengvalves.com/refrigerant-ball-valve.html)
- [Ball Valve Refrigeration System](https://www.sanhengvalves.com/ball-valve-refrigeration-system.html)
- [Ball Valve For Cold Storage](https://www.sanhengvalves.com/ball-valve-for-cold-storage.html)
- [Ball Valve For Refrigeration Unit](https://www.sanhengvalves.com/ball-valve-for-refrigeration-unit.html)
- [Refrigeration Semi-Hermetic Compressor](https://www.sanhengvalves.com/refrigeration-semi-hermetic-compressor.html)
- [Refrigeration Screw Compressor](https://www.sanhengvalves.com/refrigeration-screw-compressor.html)
- [Refrigeration Viewing Mirror](https://www.sanhengvalves.com/refrigeration-viewing-mirror.html)
- [Refrigeration Unit Sight Glass](https://www.sanhengvalves.com/refrigeration-unit-sight-glass.html)
- [Shell And Tube Condenser](https://www.sanhengvalves.com/shell-and-tube-condenser.html)
- [Casing Condenser](https://www.sanhengvalves.com/casing-condenser.html)
- [Plate Heat Exchanger](https://www.sanhengvalves.com/plate-heat-exchanger.html)
- [Fast-opening Refrigeration Solenoid Valve](https://www.sanhengvalves.com/fast-opening-refrigeration-solenoid-valve.html)
- [Fast-opening Refrigeration Solenoid](https://www.sanhengvalves.com/fast-opening-refrigeration-solenoid.html)
- [High-speed Refrigeration Solenoid Valve](https://www.sanhengvalves.com/high-speed-refrigeration-solenoid-valve.html)
- [Cold Storage Room Door Hinge](https://www.sanhengvalves.com/cold-storage-room-door-hinge.html)

## News

- [News](https://www.sanhengvalves.com/news.html)
- [Blog](https://www.sanhengvalves.com/news/blog)
- [Company News](https://www.sanhengvalves.com/news-1.html)
- [Industry News](https://www.sanhengvalves.com/news-2.html)
- [FAQ](https://www.sanhengvalves.com/news-3.html)
- [Sanheng Pressure Regulators Application](https://www.sanhengvalves.com/news-show-1.html)
- [Do you have interest to do our own design items? ](https://www.sanhengvalves.com/news-show-2.html)
- [Are you products standard? ](https://www.sanhengvalves.com/news-show-3.html)
- [What is the payment terms? ](https://www.sanhengvalves.com/news-show-4.html)
- [What is your delivery time?  ](https://www.sanhengvalves.com/news-show-5.html)
- [Sanheng Refrigeration Valve](https://www.sanhengvalves.com/news-show-6.html)
- [The 10th Qianghua Refrigeration and Air Conditioning Heat Pump Exhibition](https://www.sanhengvalves.com/news-show-7.html)
- [What is the function of thermal expansion valve?](https://www.sanhengvalves.com/news-show-141.html)
- [Introduction of refrigeration units](https://www.sanhengvalves.com/news-show-142.html)
- [What is the balancing principle of expansion valve?](https://www.sanhengvalves.com/news-show-143.html)
- [Thermostatic expansion valve adjustment process](https://www.sanhengvalves.com/news-show-144.html)
- [What are the common valves for refrigeration system?](https://www.sanhengvalves.com/news-show-221.html)
- [Auxiliary components of refrigeration system-Solenoid valve](https://www.sanhengvalves.com/news-show-222.html)
- [Cold storage equipment screw compressor characteristics](https://www.sanhengvalves.com/news-show-224.html)
- [Some points for attention in safe operation of refrigerating valve](https://www.sanhengvalves.com/news-show-225.html)
- [Maintenance of refrigeration system](https://www.sanhengvalves.com/news-show-226.html)
- [What are the common throttling mechanisms of the refrigeration system?](https://www.sanhengvalves.com/news-show-322.html)
- [Air-conditioning heat pump system, four-way valve structure and 4 nozzles, how to switch the system of refrigeration and heating](https://www.sanhengvalves.com/news-show-323.html)
- [Air conditioning and refrigeration systems, what are the common throttling devices, their principles and characteristics](https://www.sanhengvalves.com/news-show-324.html)
- [Air conditioning refrigeration system, the function of the liquid mirror, how to check the system through the liquid mirror](https://www.sanhengvalves.com/news-show-325.html)
- [The Function, Structure And Principle of Three Pressure Regulating Valves in Refrigeration](https://www.sanhengvalves.com/news-show-326.html)
- [Common trouble reasons and troubleshooting methods of refrigeration solenoid valve](https://www.sanhengvalves.com/news-show-328.html)
- [How the Solenoid Valve works?](https://www.sanhengvalves.com/news-show-329.html)
- [How to distinguish normally closed solenoid valve and normally open solenoid valve](https://www.sanhengvalves.com/news-show-330.html)
- [General classification and characteristics of solenoid valves](https://www.sanhengvalves.com/news-show-331.html)
- [What is the structure of a thermal expansion valve?](https://www.sanhengvalves.com/news-show-332.html)
- [Selection of thermal expansion valve](https://www.sanhengvalves.com/news-show-333.html)
- [How to install a thermal expansion valve?](https://www.sanhengvalves.com/news-show-542.html)
- [How to adjust the opening of the thermal expansion valve?](https://www.sanhengvalves.com/news-show-543.html)
- [What are the two major types of pressure regulators?](https://www.sanhengvalves.com/news-show-544.html)
- [What is the function of an expansion valve?](https://www.sanhengvalves.com/news-show-545.html)
- [What is the working principle of the expansion valve?](https://www.sanhengvalves.com/news-show-546.html)
- [What is the Cost of a Solenoid Valve and How to Save Money on Your Purchase?](https://www.sanhengvalves.com/news-show-547.html)
- [What is the difference between an expansion valve and a capillary tube?](https://www.sanhengvalves.com/news-show-548.html)
- [What are the different types of pressure regulators?](https://www.sanhengvalves.com/news-show-549.html)
- [What are the differences between a ball valve and a gate valve?](https://www.sanhengvalves.com/news-show-550.html)
- [What Happens When a Solenoid Valve Goes Bad?](https://www.sanhengvalves.com/news-show-551.html)
- [What does an air conditioning expansion valve do?](https://www.sanhengvalves.com/news-show-552.html)
- [What is a compressor?](https://www.sanhengvalves.com/news-show-553.html)
- [What Are the Advantages of Using a Refrigeration Solenoid Valve?](https://www.sanhengvalves.com/news-show-554.html)
- [What is the Flow Rate Range of a Normally Open Solenoid Valve?](https://www.sanhengvalves.com/news-show-555.html)
- [What happens when a pressure regulator fails?](https://www.sanhengvalves.com/news-show-556.html)
- [How to replace a faulty solenoid valve in a refrigeration truck?](https://www.sanhengvalves.com/news-show-557.html)
- [How to troubleshoot small flow solenoid valve issues?](https://www.sanhengvalves.com/news-show-558.html)
- [How to Clean a Conditioning Expansion Valve](https://www.sanhengvalves.com/news-show-559.html)
- [What are the pros and cons of using a thermal expansion valve versus an electronic expansion valve?](https://www.sanhengvalves.com/news-show-560.html)
- [Can refrigeration be performed without an expansion valve?](https://www.sanhengvalves.com/news-show-561.html)
- [What is the difference between a condenser and an evaporator?](https://www.sanhengvalves.com/news/what-is-the-difference-between-a-condenser-and-an-evaporator--76194.html)
- [How to Maintain Your Solenoid Valve for Longevity](https://www.sanhengvalves.com/news-show-563.html)
- [What role do water treatment chemicals play in water-cooled condenser systems?](https://www.sanhengvalves.com/news/what-role-do-water-treatment-chemicals-play-in-water-cooled-condenser-systems--34419.html)
- [What role do insulation materials play in cold storage room parts?](https://www.sanhengvalves.com/news/what-role-do-insulation-materials-play-in-cold-storage-room-parts--84812.html)
- [How to optimize the performance of your refrigeration solenoid valve through proper maintenance and use?](https://www.sanhengvalves.com/news/how-to-optimize-the-performance-of-your-refrigeration-solenoid-valve-through-proper-maintenance-and-use--49361.html)
- [How to Install a Condensing Pressure Regulator?](https://www.sanhengvalves.com/news/how-to-install-a-condensing-pressure-regulator--88499.html)
- [What Causes Excessive Crankcase Pressure in an Engine?](https://www.sanhengvalves.com/news/what-causes-excessive-crankcase-pressure-in-an-engine--28215.html)
- [What are the environmental benefits of using a Hot Gas Bypass Regulator in HVAC systems?](https://www.sanhengvalves.com/news/what-are-the-environmental-benefits-of-using-a-hot-gas-bypass-regulator-in-hvac-systems--95338.html)
- [What are the cost considerations for purchasing and installing refrigerant ball valves?](https://www.sanhengvalves.com/news/what-are-the-cost-considerations-for-purchasing-and-installing-refrigerant-ball-valves--49949.html)
- [How to Install an Expansion Valve in Your HVAC System](https://www.sanhengvalves.com/news-show-571.html)
- [What are the reasons for the failure of the thermal expansion valve of the central air-conditioning unit?](https://www.sanhengvalves.com/news-show-572.html)
- [What are the replacement steps and maintenance methods for thermal expansion valves?](https://www.sanhengvalves.com/news-show-573.html)
- [How can ball valve refrigeration systems enhance the sustainability of a facility?](https://www.sanhengvalves.com/news/how-can-ball-valve-refrigeration-systems-enhance-the-sustainability-of-a-facility--29635.html)
- [What is the difference between a ball valve and a gate valve for cold storage?](https://www.sanhengvalves.com/news/what-is-the-difference-between-a-ball-valve-and-a-gate-valve-for-cold-storage--84778.html)
- [What is the average price range for a semi-hermetic compressor?](https://www.sanhengvalves.com/news/what-is-the-average-price-range-for-a-semi-hermetic-compressor--11418.html)
- [How do I know if my water pressure regulator is bad?](https://www.sanhengvalves.com/news-show-577.html)
- [What is a Refrigeration Screw Compressor and How Does it Work?](https://www.sanhengvalves.com/news/what-is-a-refrigeration-screw-compressor-and-how-does-it-work--89553.html)
- [What are the symptoms of a bad pressure regulator?](https://www.sanhengvalves.com/news-show-1264.html)
- [What is a Refrigeration Viewing Mirror and how does it work?](https://www.sanhengvalves.com/news/what-is-a-refrigeration-viewing-mirror-and-how-does-it-work--22323.html)
- [Under what circumstances is it necessary to adjust the thermal expansion valve?](https://www.sanhengvalves.com/news-show-1266.html)
- [What are the differences between ball valves and angle valves?](https://www.sanhengvalves.com/news-show-1267.html)
- [Where can solenoid valves be used?](https://www.sanhengvalves.com/news-show-1268.html)
- [Where can refrigeration semi-hermetic compressors be used?](https://www.sanhengvalves.com/news-show-1383.html)
- [What is the application scope of refrigeration screw compressor?](https://www.sanhengvalves.com/news-show-1384.html)
- [What is the difference between thread welded refrigeration solenoid valve and other refrigeration solenoid valves?](https://www.sanhengvalves.com/news-show-1385.html)
- [In which industries is casing condenser commonly used?](https://www.sanhengvalves.com/news-show-1386.html)
- [If the evaporator pressure regulator valve frequently opens and closes or vibrates, what could be the cause?](https://www.sanhengvalves.com/news-show-1463.html)
- [Why Choose a Refrigeration Solenoid Valve for Your Cooling System?](https://www.sanhengvalves.com/news-show-1483.html)
- [What Is a Pressure Regulator?](https://www.sanhengvalves.com/news-show-1503.html)
- [How Do You Choose the Right Pressure Regulator for Your Application](https://www.sanhengvalves.com/news-show-1523.html)
- [How to Choose the Right Pressure Regulator for Your Application](https://www.sanhengvalves.com/news-show-1543.html)
- [What Is an Electronic Expansion Valve and Why Is It Essential for Modern Refrigeration Systems](https://www.sanhengvalves.com/news-show-1563.html)
- [Why Is Choosing the Right Cold Storage Room Door Hinge Critical?](https://www.sanhengvalves.com/news/why-is-choosing-the-right-cold-storage-room-door-hinge-critical.html)
- [Why Choose High-speed Refrigeration Solenoid Valve for Efficient Cooling?](https://www.sanhengvalves.com/news/why-choose-high-speed-refrigeration-solenoid-valve-for-efficient-cooling.html)
- [How Does a Fast-opening Refrigeration Solenoid Valve Improve Cooling System Performance?](https://www.sanhengvalves.com/news/how-does-a-fast-opening-refrigeration-solenoid-valve-improve-cooling-system-performance.html)
- [Why Is Refrigeration Unit Industrial Solenoid Valve Essential for Modern Cooling Systems?](https://www.sanhengvalves.com/news/why-is-refrigeration-unit-industrial-solenoid-valve-essential-for-modern-cooling-systems.html)
- [What Is Electronic Expansion Valve and How Does It Work?](https://www.sanhengvalves.com/news/what-is-electronic-expansion-valve-and-how-does-it-work.html)
- [Why Is a Crankcase Pressure Regulator Critical in Refrigeration Systems?](https://www.sanhengvalves.com/news/why-is-a-crankcase-pressure-regulator-critical-in-refrigeration-systems.html)
- [How Does a Thermal Expansion Valve For Freezer Improve Cooling Performance?](https://www.sanhengvalves.com/news/how-does-a-thermal-expansion-valve-for-freezer-improve-cooling-performance.html)

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