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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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    The pneumatic wafer hard seal butterfly valve adopts a three eccentric multi-layer metal seal structure, which has the characteristics of high and low temperature resistance, high pressure, allowing small particles in the medium and long service life. Pneumatic wafer hard seal butterfly valve is widely used in metallurgy, electric power, petroleum, chemical industry, air, gas, combustible gas and water supply and drainage pipelines with medium temperature ≤ 550 ℃. It is a reliable device for regulating flow and cutting off fluid.
  • Stainless Steel Gate Valve

    Stainless Steel Gate Valve

    Stainless steel Gate Valve is a widely used variety of gate valves. The movement direction of the gate of the opening and closing parts is perpendicular to the direction of the fluid. The Stainless steel Gate Valve can only be fully opened and fully closed, and cannot be used for adjustment and throttling. The Stainless steel Gate Valve produced by Milestone Valve Company has a variety of stainless steel materials, including 304 stainless steel, 316 stainless steel, and 321 Stainless steel Gate Valve; it has advantages from ordinary gate valves to high temperature and high pressure gate valves.
  • Y-Type Strainer

    Y-Type Strainer

    Y-type strainer is an indispensable filter device for pipeline system of medium transportation. Y-type trainer is usually installed at the inlet end of pressure reducing valve, pressure relief valve, constant water level valve or other equipment, which is used to remove impurities in the medium to avoid damage valves and equipment and protect them for normal operation.
  • Motorized Butterfly Valve With Actuator Operator

    Motorized Butterfly Valve With Actuator Operator

    Motorized Butterfly Valve With Actuator Operator is a valve used for flow regulation in large pipe diameters in which the disc takes the form of disk. Operation is similar to that of a ball valve. A plate or disc is positioned in the center of the pipe. The disc has a rod passing through it that is connected to an actuator on the outside of the valve.
  • Throttle Butterfly Valves

    Throttle Butterfly Valves

    Throttle Butterfly Valves are among the family of quarter-turn valves and work very similar to ball valves. The “butterfly” is a disk connected to a rod. It closes when the rod rotates the disc by a quarter turn to a position perpendicular to the flow direction .When the valve opens, the disk is rotated back to allow the flow .
  • Stainless Steel Ball Valve

    Stainless Steel Ball Valve

    Stainless steel ball valve is widely used in various fields. Its superior quality and high performance stability are beyond the reach of ordinary cast steel ball valve, and its service life is much longer than that of cast steel ball valve. Stainless steel ball valve is widely used in urban gas, urban heating, petrochemical, shipbuilding, steel, pressure regulating station, power plant and other pipeline equipment.
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  • What is a soft seal ball valve? Working principle of soft seal ball valve

    Soft seal ball valve is a commonly used control valve, which consists of a ball, valve body, valve stem, soft seal, handwheel, etc. The ball is fixed by the valve body and the valve stem. A handwheel is installed on the valve stem. The handwheel drives the ball to rotate through the valve stem, thereby controlling the opening and closing of the valve.

  • Characteristics of forged stainless steel ball valve

    Forged steel stainless steel ball valve is mainly used for long-distance pipeline transportation of oil and natural gas and urban gas pipeline system.

  • Why Does Stainless Steel Butterfly Valve Surface Rust?

    Stainless steel butterfly valve can resist oxidation in the atmosphere, and has corrosion resistance in acid, alkali and salt medium, so all stainless steel butterfly valve has the characteristics of wear resistance and corrosion resistance. These characteristics can fully reflect the advantages of stainless steel material, but in some special environmental media, there is still the possibility of rust.

  • Replacement of Valve Packing

    Some stainless steel gate valve’s packing materials are not suitable for the valve in stock, and some are not in accordance with the medium used, so the packing needs to be replaced.

  • Application medium and working condition of butterfly valve

    Butterfly valve is mainly used for liquid, gas low pressure large diameter pipeline. It is suitable for the occasions where the pressure loss requirement is not high, the flow regulation is needed, and the opening and closing requirements are fast; Generally, the temperature is below 300 ℃ and the pressure is below 40 kg). The medium is generally used for water and gas, and the medium requirement is not high. Granular medium can also be used.

  • What is the basic principle of ball valve?

    ​A ball valve operates on the principle of a hollow ball that rotates within a bore. The ball has a hole through it, which allows the flow of liquid or gas through the valve when the hole is aligned with the inlet and outlet ports of the valve.

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