塑料蝶阀 塑胶对夹式蝶阀 PVC对夹式蝶阀

   塑料对夹式PVC蝶阀D71X-10S为满足各种防腐行业需要，密封圈分为EPDE、IIR、FAM等。塑料蝶阀PVC蝶阀系列法兰孔径按－81，1.0MPa标准。塑料蝶阀PVC蝶阀是用随杆一起转动的蝶板作启闭件，用以实现阀门的开启、关闭与调节。塑料蝶阀PVC蝶阀在管路中除了起切断和截流用外，近年来已经把密封性能主要指标，受到市场青睐。另外，塑料蝶阀PVC蝶阀还有体积小，重量轻、结构简单等优点，与同参数闸阀比较，平均减轻重量30～50%,蝶板旋转90度即可实现启、闭过程，又由于转轴两侧蝶板受介质作用力近似相等，转矩相反，因此启闭力矩较小。塑料蝶阀PVC蝶阀阀体材质应以PVC对夹式蝶阀,UPVC蝶阀,FRPP蝶阀,防腐蝶阀原料制成，密封座采用三元乙丙橡胶（EPD塑料蝶阀PVC蝶阀）或氟橡胶（FPM）制成。http://www.hqpvc.com/productshow.asp?id=85

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