Air Conditioning Heat Pump Pressure Bypass Valve

Parameters of Air Conditioning Heat Pump Pressure Bypass Valve

Pressure safety relief valves are typically used for controlling pressure on boilers in heating systems.

Additional information


CW617N, H58-3


Sand blasted


1/2", 3/4"

Thread connection


Working pressure

6 bar, 8 bar



Lead time:

45 days


24 months

Details about Air Conditioning Heat Pump Pressure Bypass Valve

Air Conditioning Heat Pump Pressure Bypass Valve


  • Size: DN25,DN32
  • Construction Material (Plumbing):  Brass, Copper
  • Using solar Water Heaters Temperature
  • Air conditioning
  • Max pressure;10bar
  • Temperature Range: 0-110 °C
  • Connection Type: Screw Connection
  • Connection Size: 1/2″ and 3/4″ Male thread
  • Applicable Medium: Water; Anti-icing fluid; heat conduction fluid
  • Type: (Pressure Rating);0.7Mpa
  • An Overview of Air Conditioning Heat Pump Pressure Bypass Valves

    Air conditioning heat pump pressure bypass valves are important in any air conditioning system. These valves help regulate the amount of refrigerant sent through an AC system and help keep it running smoothly and efficiently. Without these valves, the system would be unable to operate properly, causing a wide range of problems from decreased efficiency to total system failure. Here we will provide a brief overview of how AC heat pump pressure bypass valves work, their advantages, and why they are so important for your AC system.

    The most common type of pressure bypass valve is a fixed-orifice design. This type consists of two ports – one port allows the refrigerant to pass through while the other directs high-pressure liquid away from the compressor.

    What is a Pressure Bypass Valve?

    A pressure bypass valve is an important component of an air conditioning heat pump system. It helps to prevent excessive high-pressure buildup, thus ensuring that your system operates efficiently and safely. Pressure bypass valves are most commonly found in split systems, as they control the refrigerant flow.

    The main purpose of a pressure bypass valve is to protect the air conditioning compressor from being damaged due to excessive pressure build-up. Allowing excess liquid refrigerant to bypass the compressor helps reduce the risk of damage caused by overpressurization. It also prevents the liquid refrigerant from entering other components within the system and causing further damage. The valve is typically installed at either end of a heat pump’s evaporator coil, with both ends connected via pipes or hoses.

    How Does a Pressure Bypass Valve Work?

    A pressure bypass valve is a critical component of an air conditioning heat pump system. It is designed to control refrigerant flow in the system, allowing it to be safely regulated and maintained. The valve helps to maintain a safe level of pressure within the system and prevents damage from occurring due to excessively high-pressure levels.

    The operation of a pressure bypass valve is relatively simple. When the system’s temperature increases, causing the refrigerant pressure to rise, it triggers the valve to open and allows some of that pressure to escape. This reduces the overall pressure to maintain a safe operating level, allowing optimal performance and efficiency. When temperatures drop again, and lower pressures are reached, the valve will close back up automatically until needed.

    Benefits of a Pressure Bypass Valve

    As homeowners look for ways to lower their energy bills and maintain their air conditioning systems, they should consider the advantages of an air conditioning heat pump pressure bypass valve. This device helps keep the system running smoothly and can reduce costly repairs due to its ability to regulate high-pressure conditions.

    The pressure bypass valve is designed to open when system pressures become too high. This prevents damage by allowing refrigerant gas or liquid to flow into another location in a controlled manner. As the refrigerant flows through the valve, it equalizes temperatures between indoor and outdoor units, increasing efficiency while lowering operating costs.

    In addition, the pressure bypass valve serves as an early warning sign that something might be wrong with your air conditioning unit.

    Common Issues with Pressure Bypass Valves

    Pressure bypass valves are essential to the air conditioning and heat pump system. They help regulate the pressure within the system, ensuring it works correctly and safely. However, like all mechanical components, pressure bypass valves can experience common issues that may require attention from a qualified HVAC technician.

    The most common problem with pressure bypass valves is clogging or sticking due to debris buildup in the valve itself. This can cause airflow restriction, reducing efficiency and increasing energy costs for homeowners. In addition, if dirt or other contaminants enter the valve housing, it can cause an imbalance in pressure levels leading to potential leaks within the system. Other less frequent issues include malfunctioning solenoids or damaged O-rings, which will require replacement parts for repair.

    Installation Tips for Pressure Bypass Valves

    Are you looking for an easy way to install a pressure bypass valve? Installing an air conditioning heat pump pressure bypass valve can be tricky, but understanding the process and having the right tools can make it easier. Keep reading to learn more about installation tips for pressure bypass valves that will help make your project successful.

    When installing a pressure bypass valve, it is important to ensure you have all the necessary components before beginning. This includes any mounting hardware, such as screws or brackets, tubing and clamps, and the correct size O-rings. Additionally, you’ll need a wrench set, screwdriver set, wire cutters, adjustable pipe wrench, and tubing bender. Once you’ve gathered all of these items together, check your manufacturer’s instructions for specific installation and setup procedures details.

    Conclusion: Benefits & Considerations

    The air conditioning heat pump pressure bypass valve is an important part of any air conditioning system. As such, it is important to understand the benefits and considerations of having one installed in a residential or commercial space.

    One of the major advantages of having a pressure bypass valve installed is that it helps keep the system running efficiently. By preventing over-pressurization, the valve ensures proper operation and prevents costly repairs or downtime due to malfunction. Additionally, it helps protect against water damage should there be a sudden change in pressure levels in the system, which can help reduce overall maintenance costs.

    However, like any other system component, some considerations are associated with installing a pressure bypass valve. These include ensuring proper installation by qualified personnel to ensure safe operation and regularly inspecting and maintaining the device for optimal performance.

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Metals Vavles Works on Plumbing System

Plumberstar valve fabricator in China. Our main parts for heating pipelines and intelligent water control can supply you with a one-stop basket solution to get your ideas and demands. From design to packaging and logistics are our duty—brass valves and fittings applied in-house, in industry, and commercial construction, in residential. There are related to water pipe control solution, and we have rich experience for outdoor frostproof hydrant and pex heating water manifold indoor.

The Top Standard Valves

Plumberstar ball Valve is with CW617N and Lead-free original brass. And water flows with 2pc full Port 400WOG and 600WOG standard to design it with heavy-duty. EPDM and NBR sealing washers are environmentally friendly, with Three years warranty with traceability.

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  •  Plumberstar Valve Made from brass and stainless steel 304, and sourcing HPVC ball valve
  • Connected from the thread with BSP(G) and NPT by the normal.
  • Size with MaleXFemale 1/4inch,3/8 inch,1/2inch,3/4,1inch,1 inch,1-1/4 inch,1-1/2 inch,2inch,2-1/2inch,3inch and 4inch.
  • The actuator of electric valve voltage 24V DC, and 230V AC
  • Shut-off needle valve can manufacture based on requirements
  • Heating floor manifold with 1-inch gauge and flowmeter
  • Brass nipple, elbow, extension, compression fitting,adapter available

Plumberstar Valves Applications

y drain strainer

Y-filter Strainer Drain Valve

Plumberstar Y filter strainer Keeps Working, and dirty Out Strainer screen catches debris and sediment to reduce maintenance. Protect your water plumbing. Y Type Strainer works in conjunction with your backflow preventer and regulators.

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Safety Water Solution

Plumberstar works in residential, irrigation, and commercial application. The relief safety valves are used in various applications, such as water heaters, air compressors, its automatic release of the excess pressure or vacuum from a heating system.

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Temperature Mixing Valve

Plumberstar valve is mixing water valve automatic ensure temperature and water pressure stable. It is suitable for household hot water devices equipped and floor heating, so the 3-way valve meets requirements of temperature range and the water flow

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PEX Heating Manifold

Plumberstar radiant pex manifolds are usual for residential water distribution in a household, and it's top rated in the home building industry. Manifold plumbing systems control hot and cold water that feeds flexible PEX supply lines to individual fixtures.

Advantages of Plumberstar

Plumberstar products design based on simple structure aim to time-saving installation for consumers and aim to save the cost of customers for building construction.

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At Plumberstar, we boast 15 years of expertise in water and gas projects, and long-term partnerships with top global clients.

We offer competitive pricing and tailored solutions, thanks to our high order volumes and provide flexible solution

Quality is our cornerstone. We conduct three random inspections and a final QC check for each project, with detailed reports for clients and a 48-hour emergency response system.

Customize-Design Brass Copper Fitting

Plumberstar Pipe fitting 1/2 inch 90-degree Elbow, nipple, bush, and reducer connects PEX Pipe in water distribution and hydronic heating systems.
Low-cost solution to connect copper Pipe Tubing
stainless steel insert and adapter and copper rings. The connection system is perfect for your next commercial or homeowner plumbing project.
Brass fittings are made of Lead-Free DZR brass for a durable fitting that is also corrosion resistant
quality and performance is field-proven with more than 350 customers.

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Advantages for distributer, wholesaler, Supermarket and Trading

Plumberstar is looking for long-time cooperation with partners, our advantage will benefit each other, and growing together, our extra service including design, new tooling, discount and quality tracing system.

★ Moderate Pricing – Plumberstar can provide various projects with different economic basket services. Water control project drawing design and artwork works are free. Custom-Made and samples are free.

MOQ and Delivery – Lower MOQ even reach 100 units and sampling time within 15 working days, and the leading time is 30 working days of mass production, OEM, and ODM both available.

Non Disclosure Agreement – Plumberstar will not provide the same valves and manifold to your competitors. and help you to get more market shares, then we can sign an exclusive agreement

Quality and Service–Our defect rate reached 0.459% in the last two years from customers feedback, and the Inspection report can provide you with each order, free replacement if any is damaged, updated hot-sales items recommendations

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Discount and Quantity– Heavy quantity can increase production capacity with effectiveness. And the accessories and spare parts purchasing with competitive cost of valves and sanitary ware items. You get better prices for winning more in markets

Plumberstar Extra Service

Our aim is not only to provide valves but we help customers to design products,design artwork,valve proposal, book shipment,Installation tutorial

Design Valves For House

Valve Project Designing

We are free design your valves according to your inquiry of your plumbing system,no extra cost.

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Plumbing Control Proposal

We can help you choose valves and heating manifold, and advice in house application

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Fluid Control Installation

We can provide an installation guide and tutorial about valves and underfloor heating manifold

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Shippment Service Solution

We help customers to book a container, documents preparation, and clearance, even to warehouse

Frequently Asked Questions

Here are typical questions by customers asked with usual, please feel free contact us if any further confused.

Brass valves have many different types, such as ball valves, garden tap, check valve, strainer, angle valve, gate valve, foot valve, and drain valve. The radiator valve and thermostatic mixing valve are works for water temperature. All of these valves are work for water plumbing systems, plumbing repair, and installation. So have to let water shut-off and shut-on. Some heating systems are related to hot water and cold water mixing for temperature control and stability. Our intelligent valves are functional. There are applications in commercial, residential, and industrial areas.

Underfloor heating radiant pex manifolds are usual for residential water distribution in a household, and it's top-rated in the home building industry. Manifold plumbing systems control hot and cold water that feeds flexible PEX supply lines to individual fixtures. Then water temperature is warm and stable in each room. Meanwhile, the heating accessories-flow meter gauge will monitor water and temperature in each room.

The motorized ball valve works automatically open and closed; they work with 220v-230v AC and 24v DC; they are applications in the heating system, air conditioner,3D printer, and others. The solenoid valve is with similar features.

Would you please submit the form at the bottom of the page or send an email My WhatsApp: +86 15968648802. Can you send us pressure demands, size package, and quantity if available?

It's able to provide free samples for your evaluation with 15 working days about.

Our MOQ is significantly lower from 100-5000 pcs are available. It depends on different items.
We can fabricate your specified requirements.

It's about 35 days if with regular proucts; New tooling and samples will take 15-20 days, Normal samples will take 7 days.

It means that you need to check the plumbing system at first, then realize your requirements, and get out different valves with different applications and functional with controlling; of course, may be no need to use brass valves due to the high cost. You can use plastic, iron, zinc alloy, and aluminum raw materials instead of brass, but brass and stainless steel are reliable with 3 years warranty. If you don't know how to choose, please call us or email us.

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Why Choose Plumberstar?

There are many reasons to choose brass valves over other types of valves. Brass is a highly durable material that can withstand high temperatures and pressure. It is also resistant to corrosion, making it an ideal choice for use in wet environments. Brass valves are also easy to clean and maintain, which is an important consideration for busy households. Plumberstar brass valves are some of the most reliable and durable on the market. Plumberstar valves are easy to install and come with clear instructions.

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