Stop Valve Manufacturer

Your No.1 Stop Valve Manufacturer

Discover the Stop Valve? D&R Metal Industry is your no.1 choice, producing you the best and good high-quality Stop Valve. Choose D&R Metal Industry to expand your business.

  • Certified stop valve manufacturer
  • Custom stop valve based on your request
  • 100% reliable services over 15 years of experience
  • D&R Metal Industry perfect partner for your business

Why D&R Metal Industry is No.1 in Stop Valve Manufacturing

D&R Metal Industry has a professional team to manufactured your stop valve. We can provide a custom-made stop valve to gain your necessity. Aside from that, we can supply the original stop valve solutions to your orders. Connect us to level up your business. Send us your inquiry now!

D&R Metal IndustryYour No.1 Stop Valve Manufacturer

FlameStop Fire Hose Reel Stop Valve

D&R Metal Industry is your no.1 flamestop fire hose reel stop valve supplier. FlameStop Fire Hose Reel Stop Valve is used to shut off the flow of hot or cold water in a plumbing fixture.

In-line stop valve trim

D&R is one of the best manufacturers when it comes to In-line Stop Valve Trim. At D&R you can assure the best quality of the product.

Contemporary Quarter Turn Angle On and Off

Start to get your original Contemporary Quarter Turn Angle On and Off at D&R Metal Industry services. These types of the valve are easy and safe to use.


angle stop valve

Angle Stop Valve cans simply use at the home plumbing the angle stop valve used to shut off the water to just that single appliance or fixture which needs to be repaired. This product is one of the best valve products in the D&R Metal Industry.

Comp Straight Stop Valve

Comp Straight Stop Valve controls water flow to household plumbing fixtures. At D&R Metal industry you can get the unique quality of comp straight stop valve.

Compression Angle Stop Valve

D&R Metal Industry can customize different types of stop valves according to your request. These products are mainly used to control the flow of water to household plumbing fixtures and appliances.

Features of Stop Valves

Factory Productivity
The factory in Ningbo Jiangbei District covers an area of 5,000 square metres and has an annual production capacity of 2,000 tonnes and reliable productivity.
1 Year Warranty
You will get one year warranty for all your stop valve orders. If you have any problems after one year, we can also provide you with free online support.
Global Markets
D&R has a global presence with customers. Such as in Europe, South America, the Middle East, and Oceania. We have also participated in worldwide exhibitions.
Explosion Protection
D&R's stop valves are forged from high-quality brass, which not only resists high temperatures but thickens to prevent explosion and cracking.

D&R Stop Valve

D&R Metal Industry manufactures stop valve without compromising your brand and reputation. We supply the best stop valve using high-quality materials and original production. At D&R Metal Industry, we have all types of stop valve that you can select depending on your orders.

If you are searching for the No.1 stop valve manufacturer, D&R Metal Industry is always ready for your partnership. You can trust us, when it comes to services and production, since we are a certified manufacturer over 15 years in the service.

Brass Valve & Fitting Manufacturer

How We Manufacture Your Stop valve

cut material
We will choose the right Stop valve material based on your order
test material
Material Testing
We will make strict testing on your Stop valve material, after the material is ok, then we will arrange the material cutting
brass forging
Forging process can ensure the right shape based on your order requirement
sand blasting
Sand Blasting
Sand Blasting will make your Stop valve surface clean and smoothly.
CNC Machining
CNC machining is the most important process to ensure all detais are based on your order requirement.
brass plating
Brass Plating
We can make different plating according to your requirement, including the thickness,t he color, the plating material, the test standard
Brass Valves Assembly
We will assemble your Stop valve from different parts, you will see the final valves after this process.
water pressure testing
Water Pressure Testing
We make 100% air pressure testing on each of your Stop valve before packaging and shipping.

Rocket Your Business with D&R Stop Valve

brass valve and fittings design

D&R Metal Industry – Your No.1 Stop Valve Manufacturer in China

D&R Metal Industry has been a professional manufacturer of stop valves for almost 15 years in the industry. And also we, D&R specializes in different types of stop valves for all clients based on clients’ requests. All of our products are welcomed in Europe, South America, Southeast Asia, Australia.

D&R Metal Industry always uses high-quality stop valve material, besides we will test each stop valve product material before mass production. We can custom any type of stop valve based on the client’s sample, drawing, or even an idea. D&R has an expert engineering team to support your product development.

Brass stop valve

D&R Metal Industry manufactured stop end for more than 15 years of experience in this field. We, built up a good reputation by accomplishing ourselves to trustworthy and reliable services. Quality is our first with sincere service, some of our products have progressed in several privileges. We can offer a complete high-quality stop valve based on your request.

We are a reliable and excellent manufacturer and supplier of stop valves. Our stop valve is used for the best and good processing material in a high-quality process.

We, D&R Metal Industry provides a stop valve to obtain experience, and generate trustful and friendly long-term cooperation. We work in raw material processing.

Besides D&R Metal Industry is one of the best and reliable manufacturers from China. And we insist on the quality of our products.

stainless steel stop valve

We can give your stop valve solution for your needs and for your businesses. Our stop valve is easy to use. D&R Metal Industry has great and best stop valve products. D&R Metal Industry is your top choice, especially for your stop valve request.

If you are looking for the best stop valve. D&R is always suited for your needs. We made a stop valve with a unique, reliable, and trustworthy product.

Choose D&R Metal Industry to expand your stop valve business. D&R is your perfect partner.

For any inquiries about our stop valve. Message us now!

Stop Valve: The Ultimate FAQs Guide

Stop Valves

Stop Valves

This guide has a lot of information to help you choose the best stop valves. You can choose different selections through this guide.

You should know different types of stop valves, how it works, and more product capabilities for industrial applications.

What Is Stop Valves?

Stop valves are also known as globe valves can prevent and regulate liquid in the pipe. It closes and opens by hand.

It controls and checks the passage in engine steam. Stop valves are used for plumbing fixtures like all types of liquid systems.

Stop valves have different features, characteristics, various finishes, dimensions, and different parts.

It has different uses, benefits, advantages, and disadvantages, etc.

What Are Stop Valves Use For?

Stop valves are used for residential and industrial applications meant for liquid flow purposes.

Stop valves have a comprehensive range of applications for all water lines like toilet water supplies.

It is generally designed to stop the hot and cold water flow.

How Do Stop Valves work?

Stop valves can be operated manually and automatically. The manual SVAs are operated with screw handles that stop the flow.

It performs routine maintenance like channel change, cleaning, change gaskets, and other connectors.

Stop valves are one of the widely used. It supports different industries suitable for medium, low pressure, and high-pressure applications. It has small friction in the sealing surface when it is closed and opens.

When stop valves are opened or closed, the stem are rising by rotating the handle according to its motion. It fully opens and closes the valve which controls the liquid flow.

What Are Different Types of Stop Valves?

Stop valves meet various specific applications comes with plenty of designs and mechanisms accommodating the liquid flow.

There are various types of stop valves listed below:

1. Ball Valves

Ball valves

Ball Valves

Ball valves have a variety of lever handle colors performs with ¼ turns. It is widely installed in the main water lines.

Ball valves are designed with metallic balls inside. It has a center hole that aligns the water flow direction. The ball rotates when closing and opening line.

Ball valves Components

  • Lever Handle
  • Handle Nut
  • Seal/Gland
  • Stem
  • Ball


  • Quick turn and off
  • Large lever handle
  • Ball design


  • Large

2. Gate Valves

Gate Valves

Gate Valves

These valves are featuring a metallic gate inside the body to perform on and off with circular handles.

It lowers the circular handle off the line and lifts up to turn it on. It has a similar performance with ball valves, completely on and off the flow widely used for industrial applications.

Gate Valves Components

  • Hand Wheel
  • Stuffing Box
  • Bonnet
  • Gasket
  • Stem
  • Flange
  • Gasket
  • Desk Body

3. Globe Valves

Globe Valves

Globe Valves

Globe valves can be adjustable to regulate the water flow

This type of stop valve has a round body same as ball valves. It requires flow patterns to outdoor water spigots.

4. Angled/ Straight Valves

Angled/Straight Valves

Angled/Straight Valves

It is widely installed for individual fixtures and controls the water flow. Angle Valves are designed to flow at an angle. The straight valve performs straight flow and turns off the flow inside the pipe at floor applications.


  • Easy turn
  • Shut off specific areas


  • Only install for pipes which penetrate the floor

5. Check Valves

It has a variety of uses that control liquid flow like line isolations. It also maintains media injections and head pressure that protects pumps.

Check Valves Components

  • Body seats
  • Disc
  • Hinge and Hinge pin
  • Cover plate
  • Stud bolts
  • Gaskets
  • Nuts
  • Washer


  • Prevents backflow
  • Maintain pressure
  • Perform as a backup system
  • Vertically and horizontally use


  • Not suitable for pulsating systems
  • Closing elements can cause damage

What Are Different Functions Of Stop Valves?

Stop Valves Parts Applications

All types of stop valves designs and models have a wide range of applications.

  • Stop and start the flow
  • Control directions
  • Regulate and process the flow pressure
  • Relieve certain pressure of the system
  • Lower and speed the flow

What Are The Advantages and Disadvantages of Stop Valves?

There are different advantages and advantages when using stop valves. It has great rule for various applications


Stop valves are economic and superior quality. They are easier to maintain, handle, and easier for replacements and repair. It has no lubrication required that perform longer life

  • Convenient and simple structures
  • Short opening and closing time
  • Excellent sealing performance
  • Easier to replace and maintain
  • High resistance
  • Long life service


All types of valves have professional maintenance for a longer life span. Maintaining the cleanliness, check the passage, leakage, and any other problems.

  • Large fluid resistance
  • Not applicable for media with particles
  • Regulation performance

Is Local Stop Valve System Reliable?

Here are some reasons why you need local stop valve systems:

1. Easier to Access for Major Renovations

Stop valves are reliable for major renovations and need to replace the pipes or move to different directions.

2. Building Code Requirement

Convenient and cost-effective fixtures for building applications. Control different codes for easier performance and maintenance.

3. Efficiency During Emergencies

Quickly shut-off for emergencies like leakage and clogged.  They repair the lines without affecting other lines.

How to Choose The Right Stop Valves?

Stop Valves Selections

You can consider different selections from various stop valve finishes, materials they are made of, features and characteristics, advantages, disadvantages, how it works, how it can be install, and more.

You should know what are the complete components and types of stop valves.

Know why and when do you need to replace your stop valves.

What are different Stop Valve Materials And Finishes Should I Choose?

Stop Valves Finishes

Stop Valves Finishes

Stop valves have a wide range of applications according to which material it is made. Each type of material has different suitable applications. It is able to perform for hot or cold liquid flow, gas, chemicals, water, and more.

  • Brass: This is an alloy of copper and zinc. Historical because of its hardness and workability. Varied which achieved mechanical and chemical properties.
  • Plastic: Easier to replace and maintain suitable for liquid flow applications. they have various colors and sizes
  • PVC: excellent choice for plumbing applications can last up to ten years.
  • Stainless steel: Popular high corrosion resistance made of steel preferred for residential and commercial applications.
  • Galvanized: used for gas and water supplies for commercial buildings. The pipes corrode which affects health not being replaced.
  • Chrome Plated: corrosion resistance which provides hardness to the surface.
  • Carbon Steel: This is a steel with carbon stronger the stainless steel and durable recommended for different applications.

What Are Stop Valves Features And Characteristics?

Stop valves have great capabilities for various applications and characteristics. It provides long life span and performs 80 years to 100 years.

  • It performs both hot and cold liquid flow
  • They have various resistance according to the materials
  • Corrosion and rust resistance for long life span
  • High chemical resistance and germicidal capabilities
  • Different working temperatures and pressure
  • Highly versatile
  • Heavy duty for high pressures
  • Threaded inlet/outlet


  • A stop valves can be used for various applications.
  • Residential and industrial system applications
  • Large machineries
  • Household water taps
  • Main water system controls
  • Outdoor lines and control applications

Stop Valves Construction

Stop Valve Construction

Stop Valve Construction

Stop valves have various designs, sizes, and shapes. They are made from small sizes to large sizes. Stop valves can perform from low pressure to highest pressure. Stop valves minimize frictional resistance and reduce noise in the operations. It is properly designed to completely stop and fully open the system or liquid flow.

Stop valves have different handles base on the applications and types. The handles are based on the open and close processes or how to operate.

For its longer life, stop valves can be installed through professional operators and maintenance.

How to Install Stop Valves for Different Applications?

Installing stop valves for the sink

Choose the types of valves suitable for your applications. You should consider your pipe types and sizes as well.

Choose right angle stop valves if your pipes lead the wall to the sink. If it is lead to floor, choose straight stop valves.

What Are Angle Stop Valves?

These are also called compression valves for emergency shut-off installed under. It controls the water flow without affecting other water lines. It prevents different damage.

Why Is It Need To be Replace?

If your stop valves have leakage, the repairman will recommend replacing before it burst which can cause major problems.

How to Replace Stop Valves on Main Water System?

Stop Valves Replacement

Stop Valves Replacement

If you drip the flow to pipes even you completely close it, then replace it with a new ball valve.

By professional plumbing maintenance and with the right materials, stop valves are easier to repair. It has the right procedure that smoothens the replacement and fasts.

1. Clogged valve

Test it to make it closes and opens. Because it just as old, it commonly fully close. Contact your utility if you line needs a replacement.

2. Loosen old valves and install new valves

Check the bonding jumper from clamp. It you can’t unscrew, then don’t disconnect. It is safer to install the longer sections. Stop the street-side and loosen the coupling nuts. Remove the old valve and then do the coupling and install the new valve.

Tools Required

  • Wrench
  • Screwdriver
  • Plumber tape

Materials Required

  • Leather washers
  • ¾ ball valve

How Much Would Stop Valve Cost?

The stop valve’s price is according to its designs, materials, sizes, and specifications.

Expensive products are surely effective and have great durability. It serves in the long run customizable according to your ideal DIY installations.

Stop valves are very easy to replace. You can save money through saving time because of faster installations.

How Do I Choose The Right Stop Valves?

Tip 1- Stop valves sizes and types

There are various sizes and types of stop valves you should consider. Know more basic functions such as:

  • Shut off flow
  • Mix flow
  • Pressure relief
  • Adjust flow
  • And backflow prevention

Tip 2- Materials

Consider applications compatibility requirements. Stop valve materials are important to be fit to your applications and liquid flowing. There are steel, brass, plastic, metals, etc.

Each material has suitable applications which provide effectiveness and durability to your needs.

Tip 3- Performance requirements

Know your final application pressure and temperatures. Find out where it can be installed and know it withstands high temperatures and pressures.

Tip 4- Special requirements

Know it will work as what you expect. Check the feedbacks about the materials ad types of stop valves you choose according to your applications.

There are various designs that meet special requirements, flow directions, installations, etc.

Tip 5- Maintenance

Know ongoing maintenance. This is important for system reliability and stability. The connections affect the speed of liquid flow.

Each connection has its own pros and cons you should consider as well.

What Are The Best Benefits of Stop Valves?


Stop valves has over 100 years long life span for industrial, residential, and commercial applications. It has proper installations installed by professional plumber using right tools and procedures.

High Resistance

Stops valves has great resistance according to the finishes and types of materials. They have impact resistant, corrosion and rust resistance, and more for harsh environments.

Easy to Handle

The stop valves are easier to install, maintain, and easy to handle when it has problems and replacements. Easily support various connections and systems.


For excellent system and smoother line performance, stop valves are the right material for you. Helps different industries, residential applications, commercial, etc.

You can provide perfect functions and operations for your plumbing systems and projects through your knowledge about stop valves.

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