DZ41H/Y低温法兰闸阀产品用途:低温闸阀适用于甲烷、液态天然气、已烯、二氧化碳、液氨、液氧、液氮、液氢等低温介质产品特点：1、为防止中腔异常升压，在闸板的进口侧设置了泄压孔2、根据阀门的工作温度确定阀盖的顶部长度，确保阀桿填料的可靠密封3、根据工作温度合理选用填料，垫片等零件的材料4、严格控制材料的化学成份及低温冲击韧性等力学性能指标5、采用多种配管法兰标准及密封面型式，适用于各种工程需要性能参数:型号DZ40Y-16DZ40Y-25工作压力（MPa）1.62.5适用温度（℃）LC3≥-101，LCB≥-46，LCC≥－46，1Cr18Ni9Ti≥－196材料阀体、闸板、阀盖、支架LC3、LCB、LCC、1Cr18Ni9Ti填料浸四氟乙烯石棉绳手轮QT450-10阀杆螺母ZCuA110Fe3阀杆1Cr18Ni9Ti垫片低温石棉主要外形和连接尺寸公称通径主要外形尺寸和连接尺寸LDD1D2bZ-dHD0DZ40Y-16L201501057555144-14320140251601158565144-143501603218013510078164-183851804020014511085164-1842020050250160125100164-1854024065270180145120184-1861024080280195160135208-18690280100300215180155208-18780300125325245210185228-18930320150350280240210248-239803602004003352952652612-2311804002504504053553203012-2513904503005004604103753012-2516205603505505204704253416-2518106404006005805254853616-301970640DZ40Y-25L201501057555164-14320140251601158565164-143501603218013510078184-183851804020014511085184-1842020050250160125100204-1854024065270180145120228-1861024080280195160135228-18690280100300230190160248-23780300125325270220188288-25930320150350300250218308-259803602004003603102783412-2511804002504504253703323612-3013904503005004854303904016-3016205603505505504904484416-3418106404006006105505054816-341990640)