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Ball Valve

The opening and closing part of the ball valve is used as a sphere, and the sphere is rotated 90o around the axis of the valve stem to achieve the purpose of opening and closing.

The ball valve is mainly used to cut off or connect the medium, and can also be used for fluid adjustment and control. The V-shaped ball valve can perform more accurate flow adjustment and control, and the three-way ball valve is used to distribute the medium and change the flow direction of the medium.

The ball valve is not only simple in structure, good in sealing performance, but also small in size, light in weight, low in material consumption, small in installation size, and small in driving torque within a certain nominal passage range. It is simple to operate and easy to achieve rapid opening and closing. The ball valve is One of the fastest growing valve varieties in the past ten years. The use of ball valves is very wide, and the variety and quantity of use continue to expand, and it is developing in the direction of high temperature, high pressure, large mouth, high sealing performance, long life, excellent adjustment performance and multi-function of a valve. Its reliability and other performance indicators All have reached a high level, and have partially replaced gate valves, globe valves, and throttle valves. 

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2 Flanged Ball Valve

2 Flanged Ball Valve

In the 2 flange ball valve structure produced by milestone valve company, the flange is connected by bolts, and the seal is made of reinforced polytetrafluoroethylene inlaid into the stainless steel ring. There is no spring at the back of the steel ring to ensure that the valve seat is close to the ball and keep the seal. There is no PTFE bearing on the upper and lower valve stems to reduce friction and save labor. There is no adjusting plate at the bottom of the small shaft to ensure the joint position between the ball and the sealing ring. 2 flanged ball valve is full diameter for pipeline cleaning.

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Insulated Jacketed Ball Valve

Insulated Jacketed Ball Valve

Insulated jacketed ball valve has the function of heat preservation and cold insulation. The nominal diameter is same as the pipe diameter. the medium is linear flow, small resistance, more suitable for easy solidification, high viscosity liquid medium. The valve is more suitable for liquid of linear flow, low resistance, easy solidification and high viscosity.

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Turbine Flange Ball Valve

Turbine Flange Ball Valve

Turbine flange ball valve is an important kind of valve, which is widely used in petrochemical industry, long-distance pipeline and other fields. The closing part of turbine flange ball valve is a ball (or part of the ball) with a hole. The ball rotates with the valve stem to open or close the valve.

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Ball Valve For Gas Line

Ball Valve For Gas Line

Ball valve for gas line refers to long-distance pipelines suitable for natural gas, artificial coal-to-gas, and liquefied gas, and urban gas transmission and distribution network. It is manufactured in accordance with the requirements of GB/T12237-2007, GB/T12224-2005 and related valve standards. Ball valves with fire-proof, anti-static, safe, reliable, and high anti-corrosion performance. It can be specially used for natural gas, coal gas, liquefied gas and other gas and non-corrosive gas pipeline control and flow control.

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Fixed Ball Valve

Fixed Ball Valve

The Fixed ball valve produced by MST is suitable for cutting off or connecting the medium in the pipeline. It is made of different materials and can be used to transport water, steam, oil, nitric acid, acetic acid, oxidizing media, urea, etc.; Fixed ball valve is widely used It is used in petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmaceutical, water conservancy, electric power, municipal administration, steel and other fields.

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Top Entry Ball Valve

Top Entry Ball Valve

Top entry ball valve is widely used in oil and natural gas pipeline, and the equipment of extract oil, oil refining, petrochemical, chemical, chemical fiber, metallurgy, electric power, nuclear power, food and paper making.

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Durable Ball Valve made in China can be specially customized from Milestone. Our factory is one of China Ball Valve manufactures and suppliers in China. We can assure you that high quality Ball Valve has one year warranty and passed CE certification. You don't worry about our price, we can give you our price list. When you see the quotation, you will find the price is cheap. Because our factory supply is in stock, you can buy the bulk of it with low price. We can also provide you with free samples. Looking forward to working with you.