产品用途】H42W、H42Y立式止回阀系列产品采用弹簧支撑阀芯，故采用立式安装或卧式装均可。本产品广泛应用于石油、化工、制药、电力行业等各种工况的管路上。【产品特点】1、阀瓣行程短，灵敏性高，大大减少了阀瓣关闭所需时间，有效降低了立式止回阀的水锤压力。2、密封面采用合金钢或硬质合金，密封副材料配对合理，使用寿命长。【执行标准】设计规范：GB/T12235BS1868结构长度：GB/T12221A***EB16.10法兰连接：GB/T9113A***EB16.5试验与检验：GB/T13927API598API6D【性能参数】立式止回阀型号H42HH42YH42W工作压力(MPa)1.6~10.0(Calss150-Calss600)口径(mm)DN32-DN9001-1/4″-8″适用介质水、油、气、醋酸类、硝酸类等其他介质可选材料阀体WCBCF8CF8MCF3CF3M阀瓣WCBCF8CF8MCF3CF3M弹簧F304F316F304LF316L密封面不锈钢司太立合金PTFE【外形尺寸】Class150LB立式止回阀DN(mm)2540506580100125150200250300NPS(in)111/2221/2345681012L(RF)114146159178190216241254305356457D108127152178190229254279343406483Wt(kg)713203539558090182258422Class300LB立式止回阀DN(mm)2540506580100125150200250300NPS(in)111/2221/2345681012L(RF)121152165184200232264279330390495D124156165190210254279318381445521Wt(kg)10192535486089148230335552GB1.6MPa立式止回阀DN1520253240506580100125150L8090105110120140160185210275300D95105115135145160180200215245280Wt(kg)-----7.59.51119.536.548GB2.5MPa立式止回阀DN1520253240506580100125150L8090105110120140160185210275300D95105115135145160180195230270300Wt(kg)-----7.59.512203849GB4.0MPa立式止回阀DN1520253240506580100125150L8090105110120140160185210275300D95105115135145160180195230270300Wt(kg)-----7.59.512203849)