产品概述保温截止阀，也叫截门，是使用***广泛的一种阀门，它之所以广受欢迎，是由于开闭过程中密封面之间摩擦力小，比较耐用，开启高度不大，制造容易，维修方便，不仅适用于中低压，而且适用于高压。它的闭合原理是，依靠阀杠压力，使阀瓣密封面与阀座密封面紧密贴合，阻止介质流通。该阀适用于化工、化肥行业的管路上，夹套内涵入蒸汽能防止介质结晶。试验压力及主要性能规范型号公称压力试验压力适用温度适用介质保温套压力ShellSealBJ45W-25P2.53.752.75≤200Aceticurea≤1.3BJ45W-40P4.06.04.4BJ45W-64P6.49.06.6AceticureaBJ45W-25P2.53.752.75BJ45W-40P4.06.04.4BJ45W-64P6.49.06.6主要外形尺寸及重量PN(MPa)DN(mm)尺寸(mm)重量kgLL1H3-GDD1D2bZ-φdDo2.515200502101/21057555164--φ141201420220502401/21158565164--φ141401825220502501/213510078184--φ181602532250552701/214511085184--φ181603040270603101/2160125100204--φ181603650300603303/4180145120228-φ182404065350653603/4195160135228-φ182405480380704003/4230190160248-φ2328070100430754801270220188288-φ25320100125490805501300250218308-φ253601301505709062013302802483212-φ253601702006909575013953403023612-φ254002504.015200502101/21057555164--φ141201420220502401/21158565164--φ141401825220502501/213510078184--φ181602532250552701/214511085184--φ181603340270603101/2160125100204--φ181604150300603303/4180145120228-φ182404565350653603/4192160135228-φ182406280380704003/4230190160248-φ2328080100430754801270220188288-φ25320100125490805501300250218308-φ253601301505709062013502952583412-φ303601852006909575014153553154012-φ34400268)