Chengde Rui Mai—Your Professional Ball Valves Supplier
 

 

As a professional Ball Valves supply chain manager, we provide valve design, inspection, consulting services, etc. With a deep

understanding of the importance of customer needs and more than 10 years of experience, we provide cost-effective products.

01/

High-cost performance:

High quality and industry-leading price

02/

Fast delivery:

Fast order processing and on-time delivery

03/

Pressure leak test:

100% pressure leakage test during mass production to ensure high quality and long-term durability.

04/

Strict quality inspection:

100% QC inspection before shipment

05/

Sample service:

Samples can be provided for customer confirmation

06/

OEM/ODM service:

Produce products according to your drawings or samples.

 

  • 1-PC Stainless Steel Ball Valve
    Size: 1/4’’-2’’. Working pressure: PN16/25/40/63. Temperature Range: -29°C - 232°C. Connection: Female/Female threads. Thread Standard: ANSI B2.1/BS 21/DIN 259.
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  • 2-PC Stainless Steel Ball Valve
    Size: 1/4’’-2-1/2’’. Working pressure: PN16/25/40/63. Temperature Range: -29°C- 232°C. Connection: Female/Female threads. Thread Standard: ANSI B2.1/BS 21/DIN 259.
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  • 3-PC Stainless Steel Ball Valve
    Size: 1/4’’-4’’. Working pressure: PN16/25/40/63. Temperature Range: -29°C - 232°C. Connection: Female/Female threads. Thread Standard: ANSI B2.1/BS 21/DIN 259.
    read more
  • Flange Steel Ball Valve
    Size: DN15-250. Working pressure: PN16/25/40. Temperature Range: -20 °C - 200°C. End Flange: DIN EN1092-1
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Flange Steel Ball Valve
 
What is the ball valve?
 

A ball valve is a valve that uses a ball with a hole in the center to control the flow of fluid in a pipe. These valves are popular because they are reliable, easy to operate, and provide a tight shutoff when closed. An externally threaded brass ball valve is a special type of ball valve with external threads on both ends that can be connected to internally threaded fittings.

 

Ball valves are often threaded because they are commonly used in piping systems. These systems typically consist of a series of pipes, fittings, valves, and other components that must be connected to create a functional system. Ball valves are designed to be easily installed between two sections of pipe, allowing the flow of fluid between the two sections to be controlled. 

 
Ball Valves advantages

Quick installation

Ball valves require no special tools, no welding, no crimping, or glue. Ball valves mainly play the role of cutting off, distributing, and changing the flow direction of media in pipelines.

Excellent durability

This ball valve is made of high-quality stainless steel material, which is strong, not easy to age, and wear-resistant, ensuring maximum strength and durability for long-term use.

Easy to rotate

The full-bore ball valve is easy to operate and easy to rotate after installation, making it easier to achieve closure or work in a small space. Install a new valve or repair a leaking water pipe quickly and easily.

Tight seal

These stainless steel ball valves are equipped with a tight seal to ensure leak-free and long-lasting sealing after years of frequent use. Full-bore ball valves allow fluid to pass easily and freely through the valve.

Where are brass ball valves used?

 

Brass ball valves are available in a wide range of applications. Most of the time, brass is a good choice. When it comes to drinking water applications, lead-free brass is a good choice unless the water is corrosive to it, such as high salt content. In this case, another material such as stainless steel or PVC would work better. Due to the cost of lead-free brass, other materials, such as stainless steel (also lead-free), have become more likely options.

Brass ball valves are used in residential and commercial plumbing, water wells, HVAC, and many other applications. Basically, brass is generally a good material as long as the material passing through the valve is not highly corrosive.

 

Brass Filter Ball Valve
installation steps
 

 

(1) Before installing the filter, the threaded connection surfaces of all pipes should be carefully cleaned and an appropriate amount of pipe sealant or polytetrafluoroethylene tape (PTFE) should be used.

 

(2) The end threads are not machined to prevent sealant or PTFE tape from entering the piping system. The filter can be installed horizontally or vertically downward.

 

 
Threaded ball valve connection method
 

Threaded connection

The threaded connection of brass ball valves generally adopts G or NPT thread, which is simple and convenient to install. The method of use is to tightly connect the threads of the ball valve to the threads of the pipe.

Welding

connection

The welding connection of brass ball valves generally adopts three methods: butt welding, welding, or sleeve welding. When used, the ball valve and the pipe need to be welded into a whole. This connection method is suitable for larger pipe diameters.

Flange

connection

The flange connection of brass ball valves generally adopts ANSI or JIS standards. When used, the ball valve and the pipe flange need to be connected together to form a whole. This connection method is suitable for situations where the pipe diameter is large or needs to be disassembled and repaired.

Clamping connection

The clamping connection of brass ball valves generally uses band-shaped clamps or elastic rings. The ball valve and the pipe need to be clamped together during use. This connection method is suitable for situations where the pipe diameter is small or requires frequent disassembly.

How to use Thread Ball Valve?

 

1. Opening and closing:

The opening and closing of the brass ball valve is relatively simple, just rotate the manual operating lever 90 degrees. If electric or pneumatic control is needed to open and close the ball valve, corresponding settings need to be made according to different control methods.

2. Maintenance:

In order to ensure the normal service life of the brass ball valve, regular maintenance work is required. Generally speaking, brass ball valves need to be lubricated, cleaned, and inspected to ensure smooth operation and reliable sealing.

In short, choosing the correct brass ball valve connection method and style is very important for the normal operation and maintenance of the pipeline system. The appropriate connection method and style of the brass ball valve should be selected according to actual needs to ensure its continuous and stable operation.

What is a "full bore" ball valve?

 

Ball valves are sometimes referred to as "full bore". A full-bore ball valve is a special valve design that allows unrestricted flow when the valve is open. Full-port valves have larger bodies than standard valves. This larger body accommodates a larger ball and a larger internal opening. The opening of a full-port valve is the same size as the surrounding pipe. For example, a 2-inch full-bore ball valve will be compatible with a 2-inch pipe and have a 2-inch valve opening within the ball. This is useful for applications that require little to no traffic loss. When a full-way valve is in the "open" or open position, it is like there is no valve there at all. Traffic is unlimited.

In addition to full-bore valves, there are also so-called "reduced-bore" ball valves. As you might imagine, this means the opening in the ball is smaller than in a full-port valve. In fact, it's exactly one pipe size smaller. For example, a 3/4" reduced bore valve has a ball opening of 1/2" pipe size. This smaller opening results in increased velocity.

Generally speaking, full-bore ball valves are more expensive than standard or reduced-bore ball valves. Depending on the application, one of these may be beneficial. However, when it comes to ball valves, they all serve the same purpose - to provide an on/off or open/close function in a pipeline.

FAQ

Q1: Where are gas ball valves used?

A: It is used at gas inlets at building entrances, under house assemblies, and in gas connection routes such as furnace systems. The economical type of gas ball valve provides more economic benefits for gas use.

Q2: What is a full-bore ball valve?

A: Full-port sometimes called full-bore ball valves have a straight flow path that does not reduce flow as it passes through the valve. In other words, the inside diameter of the pipe or tubing at the valve inlet and outlet is the same as the inside diameter of the ball valve.

Q3: What is the difference between a full-bore ball valve and reduced bore ball valve?

A: Both full-bore valves and reduced-bore valves have different applications. Therefore, no one is better than the other. Full-bore valves are used for larger-diameter pipes carrying viscous media, while reduced-bore valves are used for smaller-diameter pipes carrying light, fast-flowing fluids.

Q4: Which is better, a brass ball valve or a plastic ball valve?

A: Brass valves are known for their durability and have higher pressure ratings than all but the highest-grade engineering plastics. Brass can also handle and absorb more heat than plastic.

Q5: How does a full-bore safety valve work?

A: Full-bore safety relief valve: The discharge flow rate depends on the nozzle, not the movement of the valve disc. The seat passage area is equal to the seat area of the nozzle when the valve is open. The distance the valve travels from rise to fall affects discharge flow.

Q6: How long is the service life of a brass ball valve?

A: Many ball valve manufacturers provide estimates of expected ball valve life (usually eight to ten years), and proper maintenance can certainly extend this range. However, the service life of a ball valve can be affected by a variety of other factors.

Q7: Which ball valve is the most durable?

A: Brass ball valves are the most common choice for general purpose applications. The chemical composition of brass makes it a very strong and durable metal. Brass ball valves are corrosion-resistant if stored and used properly. Brass ball valves are the most economical material choice.

Q8: What is the reason for ball valve failure?

A: Ball valves are used in industrial processes to control the flow of materials. Although ball valves can last for many years, they sometimes fail due to a range of factors. Common causes of ball valve failure include corrosion, extreme temperatures, and improper installation.

Q9: Which is better, bronze valve or brass valve?

A: Brass alloy is mainly composed of copper and zinc. Brass is highly ductile and can be cast or machined. Brass valves are considered superior to bronze valves in terms of durability and performance.

Q10: Which is better, the butterfly valve or the ball valve?

A: Ball valves generally have better sealing performance than butterfly valves. The ball valve has a stronger sealing frame that meets zero leakage requirements in both directions and meets multiple ANSI classifications. Butterfly valves are typically manufactured to bidirectional ANSI V standards and have no visible leakage.

 

We're professional ball valves suppliers in China, specialized in providing high quality products and service. We warmly welcome you to buy customized ball valves at low price from our factory. For more cheap products, contact us now.

Brass Garden Hose Shut Off Valve, double disc butterfly valve, 2 quiet check valve
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