双作用式节流截止阀相关型号：SLJ41Y,SLJ41Y-16P,SLJ41Y-25P,SLJ41Y-40P性能规范：公称压力(PN)1.62.54.06.410.0MPa壳体试验压力(PT)2.43.756.09.615.0密封试验压力(Hight)1.762.754.47.0410.0气密封试验压力0.5～0.7适用介质CP.RN水,油品,蒸汽硝,醋酸类液化气适用温度＜425℃＜200℃-40～+80℃主要尺寸参数：公称压力(PN)公称通径(DN)Z41外形尺寸LDD1D2Z-Φd1.6Mpa151309565454--142015010575554--142516011585654--1432180135100784--1840200145110854--18502301601251004--18652901801451204--18803101951601358-181003502151801558-181254002452101858-181504802802402108-232.5Mpa151309565454--142015010575554--142516011585654--1432180135100784--1840200145110854--18502301601251004--18652901801451208-18803101951601358-181003502301901608-231254002702201888-251504803002502188-2520060036031027812-2525065042537033212-3030075048543039016-344.0MPa151309565454--142015010575554--142516011585654--1432180135100784--1840200145110854--18502301601251004--18652901801451208-18803101951601358-181003502301901608-231254002702201888-251504803002502188-2520060037532028212-30)