3 Way Valve

Parameters of 3 Way Valve

When an angle valve is used as a shut-off valve for residential plumbing fixtures, it is called an angle stop valve, or simply an angle stop.

Additional information


Polishing and Chrome plated, Sand blasted and Nickel plated


C37700, CW602N, CW617N, H58-3


1/2", 3/4"



Thread connection


Working pressure

150 PSI, 16 bar


Zinc alloy



Life time:

200000 times On-Off, 300000 times On-Off

Details about 3 Way Valve

3 Way Valve


  • Zinc alloy handle angle valve
  • Size: 3/4″ X1/2″,1/2″ X 1/2″
  • Name:  Brass Angle Valve
  • Body Material: Brass
  • Brass COMBO Dishwasher Faucet Diverter Valve with Aerator, Sink to Garden Hose Diverter Faucet Adapter, for Bathroom/Kitchen Sink Faucet Connection Portable Washing Machine/Dishwasher (G1/2,3/4″, Chrome)

The world of plumbing and HVAC systems is filled with an array of valves designed to regulate, direct, and control the flow of fluids. One such crucial component that frequently pops up is the 3-way valve. This guide will help you grasp the basics of a 3-way valve, its operation, and its typical applications.

Introduction: what is a 3-way valve

Angle Valve Size


Valve pressure

PN10 (145 Psi)

Valve Materials

DR brass, Normal brass, Lead-free brass

Valve Standards

BS2779,EN331,ISO228,DIN 259

Working Temperature:

From -5 ℃ To +90 ℃

Seat sealing Material:


Handle Material:

Zinc Alloy

Thread connection:

ISO228,BS2779,DIN 259

valve Certifications



Sand-blasted and nickel plated


Brass cartridge

Valve operator



Outlet angle stop valve

O ring


Salt spray test

48 hours

A 3-way valve, as its name suggests, has three ports. These ports are commonly labeled as ‘A’, ‘B’, and ‘AB’ (or ‘common’). The valve’s design allows it to manage the flow between these three ports in a variety of ways, depending on the valve’s configuration and purpose.

Types of 3-Way Valves

  1. Mixing Valves: These valves take fluid from two different ports (‘A’ and ‘B’) and mix them before directing them out through the third port (‘AB’). This is often used in heating systems where there’s a need to mix return water with hot water to achieve a specific temperature.
  2. Diverting Valves: The diverting design takes fluid from one source (typically the ‘AB’ port) and directs it to either the ‘A’ or ‘B’ port. It’s like a T-junction where you decide which way the flow should go.

Applications of 3-Way Valves

  • Hydronic Heating Systems: In radiant floor heating, 3-way valves help mix hot boiler water with cooler return water to maintain a consistent floor temperature.
  • Cooling Systems: In certain cooling systems, these valves can be used to divert coolants or mix them to achieve the desired temperature.
  • Industrial Processes: They can be used in various industrial setups where there’s a need to mix or divert fluids to achieve specific results.

Advantages of 3-Way Valves

  • Versatility: Their ability to mix or divert makes them suitable for a wide range of applications.
  • Temperature Control: Especially in HVAC systems, they provide precise control over fluid temperature.
  • Space-Saving: Instead of using multiple 2-way valves, a single 3-way valve can often achieve the desired result, saving space and reducing complexity.

How Do They Work?

The operation of a 3-way valve is contingent on its design and the actuator it uses. Many 3-way valves utilize a ball design where the ball has a hole drilled through it. By rotating this ball, the valve can control the flow between its ports. Others might use a plate or a plug design. The actuator—whether manual, electric, or pneumatic—determines how this valve changes its position.

A three-way valve is a type used to control water flow in a plumbing system. It is often used in conjunction with a faucet diverter. The three-way valve has three ports, one for the hot water supply, one for the cold water supply, and one for the drains. The three-way valve is opened and closed by turning a handle attached to the valve body. When the handle is turned to the left, the hot water port is open, and the cold water and drain ports are closed. When the handle is turned to the right, the hard water port is open, and the hot water and drain ports are closed. When the handle is turned to the middle, all three ports are open.

Selecting the Right 3-Way Valve

When choosing a 3-way valve for an application, consider:

  • The type of fluid it will handle.
  • The required flow rate.
  • Operating pressure and temperature.
  • The type of actuator required (manual, electric, pneumatic).

Maintenance & Troubleshooting

While 3-way valves are generally robust, they do require periodic inspection to ensure they’re free from leaks and are operating correctly. Regular maintenance can extend the life of the valve and prevent potential issues down the line.

If you ever face issues with a 3-way valve, some common problems include blockages, worn-out seals, or actuator malfunctions. Identifying the problem early on can save time and money in the long run.

In conclusion, 3-way valves are versatile components essential in a multitude of systems. Whether you’re looking to maintain temperature, divert flow, or mix fluids, these valves can do it all. With proper selection, installation, and maintenance, they’ll serve reliably for years to come.

Why use a 3-way valve?

Three-way valves are essential equipment in many industries, including food and beverage. A three-way valve allows for two different fluids to be directed through one pipe, which can be helpful when trying to control the flow of two other substances.

There are many reasons why someone might want to use a three-way valve. One reason is that it can help save space. If you have two fluids that need to be directed through one pipe, a three-way valve can help you without installing two separate tubes. This can be useful when you’re working with limited space.

3 way valve
3-way valve

The 3-Way Angle Valve is the ultimate solution for your home plumbing needs. Its innovative design allows you to hook up your sink, bathtub, and toilet with a single valve! This saves space, time, and cost. The 3 Way Angle Valve makes it easy to replace any of its parts without removing the entire unit from the wall! It’s also available in various sizes, so you can find one that fits perfectly into your existing setup.

The valve is an ideal product for any home. It is a durable, heavy-duty valve used in the kitchen or bathroom. The design of this valve allows it to be installed at any angle and features three different water outlets. You can have hot, cold, and filtered water from one faucet!

This high-quality product was designed with durability in mind. All metal construction ensures this will last for years to come! The 3 Way Angle Valve has a solid brass body and comes with mounting hardware.

The 3 Way Angle Valve is the most innovative solution for your home or business. It allows you to fill, drain and control water flow from any angle. Its unique design also offers a built-in check valve that prevents backflow, making it perfect for use with both pressurized and gravity-fed systems. The 3 Way Angle Valve is available in various sizes to fit all standard faucets and valves. It’s easy to install.

Dishwashers are an excellent appliance, but they can also be a hassle. The valve is designed to make your life easier by allowing you to switch between hot and cold water at the touch of a button. This eliminates the need for two separate valves in your home. It also has a built-in strainer that reduces clogging and makes cleaning accessible.

It is ideal for any household that regularly uses hot and cold water, including restaurants, offices, and schools.

It is a valve that uses the pressure of water to control the flow of water. It is used in residential and commercial plumbing systems. The three-way angle valve is also known as a quarter-turn ball valve, as it can be turned in either direction to control the water flow.

water pressure gauge

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.

Woman's hand closes the valve. Saving Water Consumption Concept
  •  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.

water tanker safety valve

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.

thermostatic valve pump mix water control

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

radiant pex manifold 12 connector adaptortubing

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.

brass fitting machine

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

Radiator works with a man

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.

project discussion

Plumbing Control Proposal

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

Fix ball Valve

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 directly:info@plumberstar.com? 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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