一、主要技术参数公称压力（MPa）试验压力（MPa）适用介质适用温度℃壳体密封（液体）低压密封（气）1.62.41.760.6水、蒸气、油品≤4252.53.752.754.06.004.46.49.607.04二、主要零件材料阀体、阀盖阀杆、阀瓣、阀座密封面阀杆 螺母填料不锈钢不锈钢铝青铜柔性石墨碳钢三、主要外形尺寸（法兰尺寸按JB/T79-94标准）型号公称压力(PN(MPa)公称通径DN(mm)尺寸（mm）LHH1D0J41H16CJ41H-16PJ41H-16R1.6101301982071021513021822812020150258272140251602752921603219028030816040200330354200502303503802406529040042824080310355390280100350415460280125400460520320150480510580360200600710806400250650 880720300750 995800 J41H-25J41H-25PJ41H-25R2.5101301982071201513023324112020150275285140251602853001603219030232718040200355385200502303623972406529032534528080310369420280100350370425320125400558608400150480611692400200600721806400250650 880720300750 995800 J41H-40J41H-40PJ41H-40R4.01513022023012020150262275140251602802951603219028030816040200330354200502303503802406529040042028080310430462320100350465506360125400505556400150480611692400200600722831400 J41H-64J41H-64PJ41H-64R6.41517019521014020190228258160252102502751803223032535520040260360395240503004104502806534045049432080380485531360100430537588400 四、概述：用于连接切断管路中的介质，在材质不同时可广泛用于水、油、汽、化工等多种介质的管网中。五、应用规范：1、设计制造按：GB12235-892、结构长度按：JB96、GB12221-893、法兰连接按：JB79、GB9112-91314、阀门检测按：ZBJ160060-90