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China 4 inch Steam Ball Valves Manufacturers, Suppliers, Factory

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4 inch Steam Ball Valves, We insist on the principle of "Credit being primary, Customers being the king and Quality being the best", we have been looking forward to the mutual cooperation with all friends at home and abroad and we'll create a bright future of business.

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  • Gas ball valve

    Gas ball valve

    Milestone factory specializes in manufacturing of Gas ball valve. Gas ball valve 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.
  • Bellows Gate Valve

    Bellows Gate Valve

    The national standard bellows gate valve is suitable for cutting off or connecting the pipeline medium in various working conditions of petroleum, chemical, pharmaceutical, chemical fertilizer and electric power industries.
  • Motor Operated Butterfly Valve

    Motor Operated Butterfly Valve

    The motor operated butterfly valve has the characteristics of simple structure, small volume, light weight, low material consumption, small installation size, fast switch, 90°reciprocating rotation, small driving torque, etc. Motor operated butterfly valve is used to cut off, connect and adjust the medium in the pipeline, and has good fluid control characteri
  • Eccentric Ball Valve

    Eccentric Ball Valve

    Eccentric Ball Valve is a common trajectory when the eccentric valve body, eccentric sphere, and a valve seat, and the valve stem is rotationally centering, the closes the closing process, the closer, completely achieve a good seal. Milestone Valve Company produced high-end Eccentric Ball Valve is widely used in steel industries, aluminum, fibers, micro solid particles, pulp, coal ash, petroleum gas and other media.
  • Resilient seat gate valve

    Resilient seat gate valve

    A Resilient seat gate valve consists of a valve body, seat and disc, a spindle, gland, and a wheel for operating the valve. The seat and the gate together perform the function of shutting off the flow of fluid. 
  • Quick Exhaust Valve

    Quick Exhaust Valve

    Quick exhaust valve is based on the buoyancy characteristics of water on stainless steel floating ball When the water level in valve rises, the floating ball will automatically float up under the buoyancy of water until it is connected with the sealing surface of the exhaust port. When the water level in valve decreases, the ball will drop with the water level. At this time, a large amount of air will be injected into the pipe through the exhaust port. After being installed on the pipe, the ball will automatically open / close the exhaust valve by using the inertia of water to the floating ball Air port.
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  • Torque Value of Single Eccentric Butterfly Valve

    How to calculate the Torque Value of Single Eccentric Butterfly Valve according to the normal temperature and clean medium?

  • Gate valve type

    There are many domestic manufacturers of gate valves, and most of the connection sizes are not uniform. Mainly divided into the following categories: 1. Standard valves produced by the Ministry of Machinery according to JB/T2203-1999 "Structure Length of Gate Valves"; 2. National standard valves produced according to GB/T12221-2005 "Structure Length of Metal Valves"; 3. American standard valves produced by ASME B16.10-2009 "Face-to-face and end-to-end dimensions of valves".

  • Causes of butterfly valve failure

    The causes of butterfly valve failure are as follows:1. There are sundries on the butterfly plate and sealing surface;

  • Learn what Gate Valve does and how it works

    Gate Valve is a commonly used control valve. Its main function is to control the flow and pressure of fluid by opening and closing. This article will introduce you to the purpose and working principle of Gate Valve.

  • What is the difference between a globe valve and a gate valve?

    The globe valve and the gate valve differ in structure and function. The globe valve has good sealing and adjustable flow, while the gate valve has small flow resistance and is suitable for full opening. The selection should be determined according to the working conditions.

  • What are the functions of Metallic Hard Sealing Butterfly Valve?

    ​The main function of a metallic hard sealing butterfly valve is to provide an efficient shutoff mechanism for pipelines. It uses a disc-shaped closure element that rotates around a shaft to control the flow of fluid through the pipeline.

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