Only one atwisle to be used, the highest space utilization, beautiful and dignified, sealing better, widely used in archives, library, bank and company document, etc.
它仅需设一个通道,密封性好,美观实用,是空间利用率最高的一种货架,主要适于档案馆图书馆银行企业资料室等。
Medium pressure increases toward the valve seat surface and oblique cone sealing surface squeeze is tightening, sealing the better.
正向介质压力增大时阀板斜圆锥表面与阀座密封面挤压越紧,密封效果越好。
This is a new type of slurry substance stop valve, which has shorter stroke, least rising power, better sealing effect, and vulnerable part has longer using age.
介绍一种提升距离短,提升力小,密封效果好,使用寿命长,适用于输送含有固体颗粒介质的新型截止阀。
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