The great features of butterfly valve

 The butterfly valve not only has the advantages of simple structure, small size, light weight, material consumption, small installation dimension, small driving torque, simple and quick cooperation, but also with good flow regulating function and close-seal characteristic,Although there are Cast Iron Check Valve,Globe Valve.But the butterfly valve has been developed in recent ten years One of the fastest valve varieties
With the use of chemically resistant synthetic rubber on butterfly valves, butterfly valve performance is improved

Development of Ball Valves

Ball Valves come out In the 1950s, with the rapid development of science and technology, continuous improvement of production technology and product structure, in just 40 years,Cast Steel Ball Valve has rapidly developed into a major valve. There are also Check Valves,.In the developed western countries, the use of Floating Ball Valve is increasing every year.

The applications of Stainless Steel Gate Valve

 Stainless steel knife gate valve using knife gate, with a good shear effect, the most suitable slurry, powder, fiber and other difficult to control the fluid. As we all know that the valves are various.there are Cast Iron Check Valve,Globe Valve etc.With a variety of valve seat to choose from, and can be based on site control needs, equipped with electric or pneumatic actuators to achieve the valve automation.

Use range Stainless steel knife gate valve range:
1. Mining, iron and steel industry - for coal, slag slurry, etc .;
2. Purification device - for wastewater, mud, dirt and water with suspended solids;
3. Paper industry - for any concentration of pulp, water mixture;
4. Ash power station - for the ash slurry.

The role of the butterfly valve

The previous article we have mentioned that what is butterfly valve,and the difference between the gate valve.This time i will introduce the role of butterfly valve.
It mainly paly a role in the pipeline cut off and throttling. Butterfly valve opening and closing pieces is a disc-shaped disc, the valve body around its own axis of rotation, so as to achieve the purpose of opening and closing or regulation. The butterfly valve fully open to the whole is usually less than 90 °, the butterfly valve and the butterfly itself does not have self-locking ability, in order to disc positioning, need to install a worm reducer on the stem. The use of worm reducer, not only can make the disc self-locking have the ability to stop the butterfly plate in any position, but also can improve valve performance.
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Features of Globe Valve

 (1) Structure of Globe Valve is more simple than the Gate valve, manufacturing and maintenance are more convenient.
(2) The sealing surface is not easy to wear and abrasion, good sealing, there is no relative sliding between the valve flap and sealing surface when opening and closing, so the abrasion and abrasion are not serious, the sealing performance is good and the service life is long.
(3) When opening and closing, the valve stroke is small, so the cut-off valve height is smaller than the gate valve like DIN Gost Gate Valve, but the structure length is longer than the gate valve.
(4) large opening and closing torque, hoist more effort, opening and closing time principal.