Industry News
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Characteristics and advantages of fluororubber commonly used in valves
Fluorine rubber is a kind of synthetic rubber containing fluorine atoms. It has excellent heat resistance, oxidation resistance, oil resistance and drug resistance. It is mainly used in aviation, chemical industry, petroleum, automobile and other industrial departments as sealing material, medium...Read more -
The difference between center line butterfly valve, single eccentric butterfly valve, double eccentric butterfly valve and triple eccentric butterfly valve
1、 Center butterfly valve The structural feature of the butterfly valve is that the stem axis, butterfly plate center and body center are at the same position. The structure is simple and the manufacture is convenient. The common rubber lined butterfly valve belongs to this kind. The disadvantag...Read more -
Main features of pneumatic rubber lined diaphragm valve
The most prominent feature is that the diaphragm separates the inner cavity of the lower valve body from the inner cavity of the upper valve cover, so that the valve stem, valve disc and other parts above the diaphragm are free from medium corrosion, the packing sealing structure is omitted, and ...Read more -
Difference and application of raised face flange and concave convex face flange
Flange is used for the connection between two equipment, also known as flange plate or flange, referred to as the form of sealing surface, with holes on it, using bolts to make two flanges tightly connected, – generally used for shaft and flange The mutual connection between shafts is ...Read more -
What are the main factors affecting valve sealing?
1. Sealing pair structure Under the change of temperature or sealing force, the structure of sealing pair will change. And this change will affect and change the force between the sealing pair, thus reducing the performance of the valve seal. Therefore, in the selection of seals, we must choo...Read more -
What are the differences between Silica Sol precision casting and ordinary casting valves?
The general term of silica sol investment casting is to pour the liquid metal water into the casting model with the same shape as the parts, and our casting products will be formed after the castings are cooled. The casting methods include sand casting, special casting, precision casting and V-me...Read more -
Large diameter butterfly valve
Performance comparison of large diameter butterfly valve and gate valve: The gate valve has large volume and takes up large space. It can bear great pressure. The butterfly valve has small volume and occupies small space. Can withstand the pressure is relatively small. Specific selection, but als...Read more -
Y strainer
It is usually installed at the inlet end of pressure reducing valve, pressure relief valve, constant water level valve or other equipment to remove impurities in the medium and protect the normal use of the valve and equipment. The Y-type filter is basically the same in appearance (Y-type), and i...Read more -
How to deal with the jitter problem of pneumatic high pressure regulating valve
When the pneumatic high-pressure control valve encounters the jitter problem, we should calmly analyze it. In fact, we can first check whether the valve command changes in data to process it separately. Next, please look! If the servo control valve is not changed, the problem may occur. If the va...Read more -
Treatment method of regulating valve often stuck or blocked
1. Cleaning method The welding slag, rust and slag in the pipeline cause blockage or jamming in the orifice, guide part and balance hole of the lower valve cover, resulting in pulling and scratch on the surface of the valve core and guide surface, and indentation on the sealing surface. This ofte...Read more -
What’s the difference between needle valve and globe valve
l Needle valve is a kind of adjustable valve, which is widely used, such as cutting distance for flame cutting, and the knob for adjusting flame temperature is needle valve. Needle valve is an important part of instrument measurement pipeline system, which mainly includes globe valve and ball va...Read more -
The installation and maintenance of ball valve is related to its service life
l Installation of ball valve 1. Any section of the ball valve can be installed at the upstream end, and the handle ball valve can be installed at any position of the pipeline. If the ball valve is equipped with actuator (such as gearbox, electric pneumatic actuator), it must be installed vertic...Read more
