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As we all know that the valve body like carbon steel (WCB, WCC, LCB, LF2, A105), stainless steel (SS304, SS316, F304L, F316L), hastelloy (Alloy 20) etc., or even in the trim material always use metallic materials. Most of the corrosion of metallic materials occurs in the atmosphere, which contains corrosive components and corrosive factors such as oxygen, humidity, temperature changes and pollutan...
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The emergence of the triple eccentric butterfly valve, or triple offset butterfly valve, has changed the stereotype of the butterfly valve. In the past, people usually thought that butterfly valves could only be used on ordinary pipelines at normal temperature and low pressure, and were not resistant to high temperature or high pressure. Buttriple eccentric butterfly valves have d...
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When choosing valve products, purchasers should not only pay attention to which cryogenic ball valves can be trusted, but also pay more attention to the maintenance methods associated with the later application of the ball valves. After all, the valve is different from some other products. They are applied in many types of environment, likely to be affected by the conditions, such as sealing, loos...
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Metal seated butterfly valve is that both sides of the seal are made of metal material or other hard materials. This seal has relatively poor sealing performance, but is resistant to high temperatures, abrasion and mechanical properties. Metal seated is often combined of such as: steel + steel, steel + copper, steel + graphite, steel + alloy steel. The steel here may also be cast iron, c...
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As a component used to realize the on-off and flow control of pipeline system, butterfly valve has been widely used in many fields such as petroleum, chemical industry, metallurgy, hydropower and so on. There is an advanced butterfly valve: three eccentric metal hard seal butterfly valve. The valve body and the valve seat are connected components, the sealing surface of the valve seat is overlaid ...
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1. Application of Knife Gate Valve 1. Mining, iron and steel industry: used for coal, slag slurry, etc; 2. Purification device: used for waste water, mud, dirt and clarified water with suspended solids; 3. Paper industry: used for pulp and feed water mixture of any concentration; 4. Ash removal of power station: used for ash slurry. 2. Performance of Knife Gate Valve 1. Local and remote control, r...
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