Function and application of ball valve
Function of ball valve: The opening and closing part of the ball valve is a round ball with holes. The […]
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Classification of ultrasonic probes
With the continuous emergence of new technology and the continuous renewal of testing equipment, ultrasonic testing technology is one of
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Structure principle and application analysis of butterfly valve
Butterfly valve (also known as flap valve) is a kind of regulating valve with round disc or disc as its
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Difference between electric hard seal ball valve and electric soft seal ball valve
There are many kinds of ball valves. According to the different structure, connection method and valve body material, the corresponding
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Operating principle and installation instructions of butterfly valve
The relationship between the opening and flow of butterfly valve is basically linear proportional change. If it is used to
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Structure and principle of electric ball valve
The electric ball valve has the advantages of small size, light weight, small installation size, small driving torque, simple operation,
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Advantages, disadvantages and structure of butterfly valve
The opening and closing part of butterfly valve is a disc-shaped butterfly plate, which rotates around its own axis in
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Application of automation technology in machinery manufacturing
The level of mechanical automation represents the level of a country’s mechanical manufacturing capacity. As an advanced technology, automation technology
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Installation instructions for flange expansion butterfly valve
It is strictly prohibited to dismantle and disassemble the expansion flange butterfly valve at will on the pipeline construction site;
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Application, advantages and disadvantages of flange expansion butterfly valve
The butterfly plate of the flange expansion butterfly valve is installed in the diameter direction of the pipeline. In the
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The instructions for installation and use of electric flange ball valve
The working principle of electric flange ball valve is to achieve the opening and closing of the valve by driving
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The defect phenomenon and cause of the fast broken graphite in ductile iron casting
Fast graphite fragmentation The broken fast graphite is a kind of deformed graphite which often appears in the large end
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Type and classification of gate valve
Gate valve, also known as gate valve, is mainly composed of valve body, bonnet, gate, stem, valve seat and sealing
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Structure and working principle of gate valve
Gate valve construction: Gate valve refers to the valve where the gate closure moves in the vertical direction along the
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Installation steps of wafer butterfly valve
The correct installation of the clip type butterfly valve is related to the sealing degree of the butterfly valve and
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Instructions for installation of wafer butterfly valve
Wafer type butterfly valve is one of the most common valve types in industrial pipeline. The wafer type butterfly valve
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The installation and maintenance of electric ball valve
Electric ball valve is a kind of valve used to control pipeline medium and realize remote control. It is an
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Installation instructions for pneumatic ball valve
Before installation of pneumatic ball valve: Ensure that the installation position of the pneumatic ball valve is at the coaxial
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Wiring diagram description and control mode of explosion-proof electric butterfly valve
Explosion proof electric butterfly valve is a special control equipment for inflammable and explosive occasions. Its explosion-proof grade is ExdIIBT4
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Working principle of electric ball valve
The electric ball valve is mainly composed of electric actuator and ball valve. The plug body is a ball with
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O-type and V-type ball valve structure
O-ball valve structure: The valve body of the o-ball valve is equipped with a ball with a middle through-hole, and
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Type and classification of ball valve
Ball valve is a kind of valve with the ball as the closing part, mainly composed of valve body, valve
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Advantages and disadvantages of pneumatic ball valve with bracket
There are many kinds of pneumatic ball valves. According to the pressure, material, connection form and application medium, including control
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Advantages and disadvantages of pneumatic high platform ball valve
Pneumatic ball valve is one of the most widely used valve types in recent years. It is not only convenient
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Working principle of pneumatic ball valve
Pneumatic ball valve is composed of pneumatic actuator and ball valve. Instead of manual operation, it not only saves a
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Structure and principle of v-ball valve
V-ball valve structure: The ball core of v-ball valve has V-shaped structure, the valve core is 1 / 4 ball
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Structure and principle of o-ball valve
Structure of o-ball valve : The valve body of o-ball valve is equipped with a sphere with a middle through-hole,
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Working principle of ball valve
The opening and closing part of the ball valve is a ball with a circular channel, which rotates around the
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Difference and selection between full bore ball valve and reduced bore ball valve
Ball valve is the most widely used mechanical product in all valve markets. It is mainly composed of valve body,
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Analysis on the problems of inoculation treatment of cast iron
Before pouring, a certain amount of substance (inoculant) is added to the molten iron under certain conditions (such as certain