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Introduction to The Basics of Safety Valves

Aug 16,2024

Introduction to The Basics of Safety Valves

Safety valve is a special branch of the valve family, it is special because the safety valve is different from other valves, it not only plays the role of the switch, and more importantly, to play a role in protecting the safety of the equipment.

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Metal Sealed Butterfly Valve Sealing Performance and Application in Low Temperature

Aug 15,2024

Metal Sealed Butterfly Valve Sealing Performance and Application in Low Temperature

Due to the continuous development of cryogenic devices, the increasing demand for cryogenic valves, in order to meet the needs of market economic development, through the structural improvement of the metal-sealed butterfly valve, developed a three eccentric, pure metal, high sealing performance of the butterfly valve, regardless of whether the medium is a high-temperature or low-temperature can meet its needs.

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Improvement of The Connection Structure of Butterfly Valve's Disc and Sealing Ring's Retainer Ring

Aug 14,2024

Improvement of The Connection Structure of Butterfly Valve's Disc and Sealing Ring's Retainer Ring

Butterfly valves, as components of piping system pass and flow control, have been widely used in many fields such as petroleum, chemical, metallurgy and hydropower. Commonly used butterfly valves generally use soft seal structure, through the retainer ring  fixes the sealing ringin on the valve seat or disc . This structure of the butterfly valve, the retainer ring fitting screws in the valve flow path in direct contact with the fluid medium, by the fluid movement and pipeline vibration and other impacts, after a period of time may lead to screw off, seal failure, affecting the operation of the equipment safety.

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The Structure and Installation Direction and Other Common Problems of Eccentric Butterfly Valve

Aug 13,2024

The Structure and Installation Direction and Other Common Problems of Eccentric Butterfly Valve

As eccentric butterfly valve exists according to the media flow direction of the traditional habits of installation, if you cannot correctly install, will inevitably cause the valve sealing performance is poor, shortened service life. Therefore, it is necessary to explore this issue.

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Structural Characteristics of V-type Ball Valves

Aug 12,2024

Structural Characteristics of V-type Ball Valves

V-type ball valve is a compact structure regulating ball valve with 90°swing. Its structural feature is that the closing member is a V-type notched hemisphere, which can be fitted into the valve cavity from one side of the valve body, so that the valve body can be designed as an integral type. the upper and lower fixed shafts are inserted from both ends, and the head of the upper shaft is connected to the ball by a spline structure to transmit the operating torque.

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The basic structure、the principle of work and the precautions of using of the globe valve

Aug 08,2024

The basic structure、the principle of work and the precautions of using of the globe valve

Globe valve's structure is relatively simple, the actual operation is simple and labor-saving, in regulating the flow and cut off the channel has a better performance, the opening and closing speed is slow and very little water hammer phenomenon. Globe valve structure is compact, the shape has more obvious characteristics, the top of the valve is equipped with a handwheel and stem, the middle of the threaded and stuffing box sealing section.

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Ball Valve's Application Occasions and Structural Characteristics

Aug 06,2024

Ball Valve's Application Occasions and Structural Characteristics

Ball valve in the pipeline is mainly used to cut off, distribution and change the direction of media flow, ball valves are not only simple structure, good sealing performance, and in a certain nominal throughput range of smaller, lighter weight, less material consumption, small installation size, and driving torque is small, easy to operate, easy to achieve rapid opening and closing, easy to operate and maintain. It has been widely used in aerospace, petrochemical, long-distance pipeline, light industry, food, construction and many other aspects.

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Design of Double Eccentric Metal Sealed Ball Valve

Aug 04,2024

Design of Double Eccentric Metal Sealed Ball Valve

Double eccentric metal sealing ball valve has simple structure, frictionless opening and closing, good sealing performance, and is considered to be widely used in metal sealing requirements of strict working conditions to achieve zero leakage. When used in high temperature, high pressure heat pipe network system and oil, natural gas, pipe network system with significant effect, is a more ideal high-performance ball valve.

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