详细介绍 产品名称:不锈钢升降式止回阀 详细说明: 不锈钢升降式止回阀结构特点1、选材考究,符合国内、外相关标准,材料的全面质量高。2、密封副配对*合理,阀瓣、阀座密封面采用铁基合金或司太立(Stellite)钴基硬质合金堆焊面成,耐磨、耐高温、耐腐蚀、抗擦伤性能好,使用寿命长。3、产品按国家标准GB/T12235设计制造。4、可采用各种配管法兰标准及法兰密封型式,满足各种工程需要及用户要求。5、阀体材料品种齐全,垫片可根据实际工况或用户要求合理选配,能适用于各种压力、温度及介质工况。可按用户要求设计制造不同结构形式和连接形式的止回阀,为各种设备配套使用。 安装尺寸: GB 1.6MPaDN1520253240506580100125150200250300L130150160180200230290310350400480600650750H9095100105110115140170200230255285290300Wt1415161718192429405883100105110GB 2.5MPaDN1520253240506580100125150200250300L130150160180200230290310350400480600650750H9095100105110115140170200230260285290300Wt14151617181924294072104145180230GB 4.0MPaDN3240506580100125150200250300L180200230290310350400480600650750H120140150160175200225260315320300Wt9121520334173104147180230>GB 6.4MPaDN3240506580100125150200250300L230260300340380430500550600775900H160170170190205230265310350480520Wt122029354768100142195250300GB10.0MPaDN1520253240506580100125150200250300L130150160180200230290310350400480600650750H9095100105110115140170200230255285290300Wt1415161718192429405883100105110GB 16.0MPaDN1520253240506580100125150200250300L130150160180200230290310350400480600650750H9095100105110115140170200230260290290300Wt14151617181924294072104180180230