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气动截止阀借助气动执行器快速运动,产生较大密封比压,达到密封效果。与此同时,存在冲击特性,现有软密封结构使用寿命较短。如果用于较高压力或含颗粒介质流工况,则寿命更短,甚至无法正常使用。采用工程塑料改性技术,研制一种新型高分子材料,用作程控气动截止阀密封件,经实际使用考核,可以满足输送含颗粒介质流,日常温度工况,使用寿命不小于100万次的要求。同时价格明显低于PTEE,PPL,较之PEEK更是数量级差距。也可用于其它类型阀门密封。
Pneumatic valve with pneumatic actuator rapid movement, resulting in a larger seal than the pressure, to seal effect. At the same time, there is an impact characteristic, and the existing soft seal structure has a short service life. If used for higher pressure or medium containing particle flow conditions, the life expectancy is shorter, or even unusable. The use of engineering plastics modified technology, the development of a new type of polymer materials, pneumatic valve for the control of pneumatic seals, the actual use of assessment, to meet the delivery of particles containing media flow, the daily temperature conditions, the service life of not less than 1 million times Claim. At the same time the price is significantly lower than PTEE, PPL, compared with PEEK is an order of magnitude gap. Can also be used for other types of valve seals.