产品执行标准产品规范设计规范结构长度连接法兰试验与检验压力-温度产品标识供货规范JB/T7746JB/T7746JB/T79JB/T9092GB/T9131GB/T12220JB/T7928产品性能规范1.62.41.760.6≤550℃水、油品、蒸汽2.53-82.764.06.04.46.49.67.0410.015.011.016.O24.017.6主要零部件材料阀体／阀盖251Cr18Ni9Ti闸板/阀瓣2Cr131Cr18Ni9Ti阀杆2Cr131Cr18Ni9Ti密封圈1Cr13+HF1C18Ni9Ti+ST1填料柔性石墨聚四氟乙烯／PTFE垫片18-8/柔性石墨螺栓35/5CrMo1Cr18Ni9Ti适用温度-29～425℃-40-200℃适用介质水、油品、蒸汽硝酸类主要外形和连接尺寸单位Unit：mm公称通径DN主要外形尺寸和连接尺寸WTLdSL1TL2HDoZ41H-16CZ41H-40Z11H-16CZ11H-25Z11H-40Z61H-16CZ61H-25Z61H-4015901322.5101/2151511186.9201001828.5113/417182130918251202334.51211919715013.53212028431411/42120116619.54013536491511/22122718028.5501554561162252531803013Z41H-64Z11H-64Z61H-6415901322.5101/2151511187.7201001828.5113/41718213011.3251202334.51211919715016.83213028431411/42121218021.24015036491511/22123118032.65015545611622525318035主要外形和连接尺寸单位unit：mm公称通径DN主要外形尺寸和连接尺寸WTLdSL1TL2HDoZ41H-100Z11H-100Z61H-10015901322.5101/2151511187.8201001828.5113/41718213012.5251202334.51211919715017.53213028431411/42121218023.54015036491511/22123118038.55015545611622525318042.2Z41H-160Z11H-160Z61H-16015901322.5101/2151511188.0201001828.5113/41718213013.6251202334.51211919715019.43213028431411/42121218025.14015036491511/22123118041.65015545611622525318049.0)