1. Labor-saving operation: the ball is supported by the upper and lower bearings to reduce friction and eliminate the excessive torque caused by the huge sealin...
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Problems in the use of vacuum butterfly valves? We already know that vacuum butterfly valves have many advantages, such as compact structure, light weight, easy installation, etc., but there are many things, and there will be relatively shortcomings....
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With the development of my country's capital construction, large-scale projects have been put into construction and implementation, resulting in an increasing number of valves for power, petroleum, chemical, urban water supply, and drainage systems, espe...
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Problems in the use of the vacuum butterfly valve? We already know that the vacuum butterfly valve has many advantages, such as compact structure, light weight, easy installation, etc., but there are many things, and there will be relatively shortcomings....
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According to the operation mode: it can be divided into handle butterfly valve, worm gear butterfly valve (gear box butterfly valve), electric butterfly valve, pneumatic butterfly valve, hydraulic butterfly valve, etc....
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Bronze, aluminum bronze and nickel-aluminum bronze ball valves are mainly used for severe working conditions that need to overcome strong corrosive environments, such as desalination platforms, various types of ships, warships, submarines, offshore drilli...
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The electric three-way control valve has two types: confluence and shunt. It consists of an electric actuator and three-way confluence or three-way shunt adjustment. It is powered by a power source and receives a unified standard signal of 0～10mA DC or 4-...
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In order to prevent the medium from flowing back, check valves should be installed on the equipment, devices and pipelines; check valves are generally suitable for clean media, not suitable for media containing solid particles and high viscosity; generall...
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The sealing principle and structural features of the triple offset butterfly valve? The triple eccentric hard seal butterfly valve has a two-way bubble-free tight closing performance. This geometric shape ensures that the disc seal is only in contact with...
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As we all know, API609 has actually become the international standard for valves used in important industrial pipelines. The Dongbao valve is designed and manufactured in strict accordance with the new version of API609 specifications. What’s more valuabl...
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It has been more than 50 years since the introduction of the triple offset butterfly valve, and the application of butterfly valves has spanned multiple industries. The original butterfly valve is only used for the interception and connection of water med...
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It has been more than 50 years since the triple offset butterfly valve was introduced, and it has been continuously developed for more than 50 years. The application of butterfly valves has spanned many industries....
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It has been more than 50 years since the triple offset butterfly valve was introduced, and it has been continuously developed over the past 50 years. The application of butterfly valves has spanned multiple industries. The original butterfly valve was onl...
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The characteristics of Dongbao ball valve and how to use it? The technicians of Shanghai Dongbao Valve said: The opening and closing parts (sphere) of the ball valve are driven by the stem and rotate around the axis of the ball valve. It can also be used...
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What are the common faults of butterfly valves? In recent years, the use rate of butterfly valves has become more and more widespread, and it has become more and more popular with major companies. So, what are the common faults of butterfly valves and the...
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The working principle of the ball valve is to make the valve unblocked or blocked by rotating the ball. The ball valve switch is light, small in size, can be made into a large diameter, reliable in sealing, simple in structure, easy to maintain, the seali...
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The opening and closing part of the gate valve is a gate. The movement direction of the gate is perpendicular to the direction of the fluid. The gate valve can...
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In a floating ball valve, the ball of the ball valve is floating. Under the action of the medium pressure, the ball can produce a certain displacement and press...
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Features of Butterfly Vavles
1. The butterfly valve has the characteristics of simple structure, small size, light weight, low material consumption, small inst...
Triple Eccentric Welding Butterfly Valve
1. Unique structure, small and portable, flexible operation, labor-saving and convenient;
2. The seal is reliable an...
The butterfly valve is a valve that uses a disc-type opening and closing member to reciprocate about 90° to open, close or adjust the flow of the medium. Th...
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