手动不锈钢截止阀J41W-16P国标重型304材质316材质不锈钢截止阀【产品说明】J41W型PN16钢制截止阀：手动、法兰连接、直通式、阀座密封面材料为氟塑料、公称压力PN16，阀体材料为碳素钢（J41F-16C）、0Cr17Ni12Mo2系不锈钢（J41F-16R/J41F-16R3）的截止阀。【产品性能参数】J41F型PN16钢制截止阀主要性能参数型号PN工作压力/MPa适用温度/℃适用介质J41W-16R161.6≤425水、蒸汽、油品J41W-16R≤150J41W-16R3)