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Ball valve installation method
Several common valves used in industrial pipelines, ball valves have the widest range of use, whether it is water, oil, gas or ordinary media pipelines or harsh working conditions containing high-hardness particles, whether it is low temperature, high temperature, or corrosive environment, you Y...Read more -
What is the difference between a soft seal valve and a hard seal valve
According to the sealing surface material, gate valves can be divided into two types: hard seal and soft seal. What is the difference between a soft seal valve and a hard seal valve: Hard seal gate valve: The sealing materials on both sealing surfaces are metal materials, which is called “h...Read more -
Why should the globe valve be designed as low inlet and high outlet
Why should the globe valve be designed as a low inlet, high outlet and small diameter globe valve? In the design and installation process, low inlet and high outlet are usually used, that is, the globe valve flows from below the valve flap to above the valve flap. The small-diameter globe valve ...Read more -
How to choose a fluorine-lined butterfly valve
Fluorine-lined butterfly valve is a kind of lining valve commonly used in acid and alkali and other corrosive media. It has been widely used in petroleum, chemical, pharmaceutical, metallurgy, electric power and other industries. Due to the complexity of its structural characteristics and the com...Read more -
What working conditions and materials are suitable for electric butterfly valves
There are many types of butterfly valves, including quick cut-off and continuous adjustment. Mainly used for liquid and gas low-pressure large-diameter pipelines. It is suitable for occasions where the pressure loss requirements are not high, flow adjustment is required, and the opening and clos...Read more -
The structure and common problems of butterfly valve
At present, the butterfly valve is a component used to realize the on-off and flow control of the pipeline system. It has been widely used in many fields such as petroleum, chemical industry, metallurgy, hydropower and so on. In the known butterfly valve technology, its sealing form mostly adopt...Read more -
Features and precautions of butterfly valve
Butterfly valve refers to a kind of valve whose closing part (disc or butterfly plate) is a disc, which rotates around the valve shaft to achieve opening and closing. It is mainly used for cutting off and throttling on the pipeline. The butterfly valve opening and closing part is a disc-shaped b...Read more -
Brief introduction of ball valve and its function (2)
4 balls tightness The most important seat sealing material for ball valves is polytetraoxyethylene (PTFE), which is sensitive to almost all chemical substances, and has low friction coefficient, stable performance, not easy to age, wide temperature application range and sealing performance Excel...Read more -
Brief introduction of ball valve and its function (I)
1. The ball valve is evolved from the plug valve. Its opening and closing part acts as a sphere, which uses the sphere to rotate 90 degrees around the axis of the valve stem to achieve the purpose of opening and closing. 2. Ball valve function The ball valve is mainly used for cutting off, distr...Read more -
What are the characteristics of the globe valve?
NORTECH is one of the leading China Globe Valve Manufacturer & Supplier. The shut-off valve refers to the word gate in which the closing piece (wide flap) moves along the center line of the valve seat. According to this movement form of the valve disc, the change of the valve seat port is pr...Read more -
What are the advantages and disadvantages of the globe valve?
NORTECH is one of the leading China Globe Valve Manufacturer & Supplier. What are the advantages and disadvantages of the globe valve? The opening and closing parts of the shut-off valve are plug-shaped broad petals, and the sealing surface is flat or conical, and it moves linearly along the...Read more -
Check valve function and classification
Check valve refers to the valve that automatically opens and closes the valve flap depending on the flow of the medium itself to prevent the medium from flowing back. It is also called check valve, one-way valve, reverse flow valve, and back pressure valve. The function of check valve is The che...Read more
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