防腐阀门是管路流体输送系统中控制部件,它是用来改变通路断面和介质流动方向,具有导流、截止、调节、节流、止回、分流或溢流等功能。用于流体控制的阀门,从最简单的截止阀到极为复杂的自控系统中所用的各种阀门,其品种和规格繁多, 阀门的公称通径从极微小的仪表阀大至通径达10m的工业管路用阀。阀门可用于控制水、蒸汽、油品、气体、泥浆、各种腐蚀性介质、 液态金属和放射性流体等各种类型流体的流动
主要用途石棉盘根用于若酸碱、液氨、水、油品介质、阀门、泵、活塞、杆作防腐密封。
Main USES asbestos pan-gen liquid ammonia acid and alkali, for if, water, oil medium, valves, pumps and piston and rod for anticorrosion seal.
直理式阀门外表面采用环氧煤沥青防腐处理,能与管线同寿命。
The external surface of the directly built-in valve is corrosion resisting treated with epoxy coal bitumen and can be the same duration as the pipeline.
由于弹簧材料钢性大不能用不锈钢球阀等防腐材料制作,产品防腐能力差,阀门的使用寿命不长。
As the largest steel spring material such as stainless steel anti-corrosion materials can not be produced, poor corrosion products, the life of the valve is not long.
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