零件名称AStoASTMSStoASTMTypeLf2TypeLf3TypeF304（L）TypeF316(L)阀体A352U2A352Lf2A182F304(L)A182F316(L)阀座A276410+STLA276304+STLA276304(L)+STLA276316(L)+STL闸板A352LF2+STLA352Lf3+STLA182F304(L)+STLA182F316(L)+STL阀杆A182F6aA182F304A182F304(L)A182F316(L)垫片不锈钢+柔性石墨阀盖A352Lf2A352LF2A182F304(L)A182F316(L)阀盖/螺栓A193L7A193L7A193B8A193B8M圆柱销A276420A276304填料压盖A182F304(L)A182F316(L)活节螺栓A193L7A193L6A193B8A193B8M填料压板WCBA182F11A182F304(L)A182F316(L)螺母A1942HA1944A1948A1948M阀杆螺母A276-420锁紧螺母A1942HA1944A1948A1948M铭牌SS手轮A197润滑垫片A473431填料柔性石墨PTFE使用温度^-40°C^-196¾江苏中鼎标准低温闸阀-80度DZ41F外形尺寸NPS缩径1/2"3/4"1"1-1/4"1-1/2"2"/全径3/8"1/2"3/4"1"1-1/4"1-1/2"2"L7992111120120140178H（开）330333360407475475551W100100125160160180200重量螺栓式5.27.19.412.515.017.828.0焊接式4.86.48.712.213.415.226.0