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What is different between One piece, two piece and three piece ball valves


A quick search on the Internet for valves yields many different results: manual or automatic, brass or stainless steel, flange or NPT, one-piece, two-piece, or three-piece, and so on. With so many different types of valves, how can you be sure you're buying the right type? Although your application will help guide you to the correct valve choice, it is important to have some basic understanding of the different types of valves offered.

 

All-in-one ball valves have a rugged cast body that reduces the risk of leakage. They are cheap and generally do not require maintenance.

 

Two-piece ball valves are some of the most commonly used ball valves. As the name suggests, a 2pc ball valve consists of two pieces, one end connected and the other body. The second piece works with the first piece to hold the ornaments together and includes a second end connection. Once installed, these valves are usually not repairable unless removed from service.

 

Bidirectional ball valves are widely used as globe valves for gas or liquid (medium) through closed piping or piping systems. This is because of their simplicity and reliability. Two-way valves have two ports or openings, pipes or tubes connected to the valve. The ball in a bidirectional ball valve has a single straight hole through which liquid or gas (medium) passes through the valve.

 

Also, as the name suggests, a three-piece ball valve consists of three pieces: two end caps and a body. The end cap is usually threaded or welded to the pipe and the main body can be easily removed for cleaning or repair without removing the end cap. This can be a very valuable option as it prevents the production line from shutting down when repairs are needed. Three-way, four-way and five-way ball valves are called multi-port valves. Three-way ball valve is the most common multi-port ball valve. Three-way ball valves have three ports or openings connected to a pipe or pipe for gas or liquid flow (medium) through. These ports are often described as one inlet and two outlets, or one outlet and two inlets, depending on the direction of flow through the valve.

 

Three-way ball valves are popular because they are an economical and easy way to provide both shutoff and flow control in a single valve body.

 

Two - and three-way ball valves are the most common types of ball valves. Three-way ball valves are particularly useful because they are set up in such a way as to simplify control of gas and liquid flows. For example, they can be used to move oil from one tank to another.

 

The flow of ball valves through standard ports is limited to some extent because the pore size of the ball through the interior of the valve is smaller than the diameter of the pipe connected to the valve port. One option to reduce or eliminate flow resistance through a ball valve is to use a full port ball valve.

 

By comparing the characteristics of each valve to the requirements of your application, you will be able to make an informed decision about which valve best suits your needs. Please visit our valve website to learn about our ball valve product line or start configuration today.

 

Qingdao Haiying Valve Co., Ltd. which located in Qingdao city, the gold southeast coast of Shandong, where is very near to China Qingdao Port and Airport. We devote to manufacture and supply ball valve, ball valve with pneumatic actuator, butterfly valve, gate valve, check valve, safety valves, storm valves etc., with cast bronze, cast brass, cast steel, Stainless steel(CF8, CF8M, CF3, CF3M) material. Which is applicable to shipbuilding, petroleum Plant, petrochemical Plant, chemical, metallurgy, electric power plant, water conservancy, urban construction, fire fighting, machinery, coal, food and others fields. The company covers an area of 2600 M2, there are total 55 staffs at present, more than 8 professional technicians.

 

Our products have been exported to Southeast Asia, Europe, America, Africa, the middle East and other foreign Markets. Haiying will continue to innovate high quality valve products, provide professional and perfect after-sale service. We will try our best to meet the require of domestic and foreign customers. Please contact us!


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