QJ-25RF-DN15，25RF-DN20,QJ-25RF-DN25,QJ-25RF-DN32,QJ-25RF-DN40,QJ-25RF-DN50截止阀

QJ-25RF-DN15，25RF-DN20,QJ-25RF-DN25,QJ-25RF-DN32,QJ-25RF-DN40,QJ-25RF-DN50截止阀 QJQJ-25RF-DN65, QJ-25RF-DN80,QJ-25RF-DN100,QJ-25RF-DN125,QJ-25RF-DN150,QJ-25RF-DN200,QJ-25RF-DN250,QJ-25RF-DN300,
QJ-25LF-DN15,QJ-25LF-DN20,QJ-25LF-DN25,CCLAIR,QJ-25LF-DN32,QJ-25LF-DN40,QJ-25LF-DN50,QJ-25LF-DN65,
QJ-25LF-DN80,QJ-25LF-DN100,QJ-25LF-DN125,QJ-25LF-DN150,QJ-25LF-DN200,QJ-25LF-DN250,QJ-25LF-DN300,
QJ-40CF-DN15,QJ-40CF-DN20,QJ-40CF-DN25,QJ-40CF-DN32,QJ-40CF-DN40,QJ-40CF-DN50,QJ-40CF-DN65,
QJ-40CF-DN80,QJ-40CF-DN100,QJ-40CF-DN125,QJ-40CF-DN150,QJ-40CF-DN200,QJ-40CF-DN250,QJ-40CF-DN300,
QJ-40BF-DN15,QJ-40BF-DN20,QJ-40BF-DN25,QJ-40BF-DN32,QJ-40BF-DN40,QJ-40BF-DN50,QJ-40BF-DN65,
QJ-40BF-DN80,QJ-40BF-DN100,QJ-40BF-DN125,QJ-40BF-DN150,QJ-40BF-DN200,QJ-40BF-DN250,QJ-40BF-DN300,
QJ-40RF-DN15,QJ-40RF-DN20,QJ-40RF-DN25,QJ-40RF-DN32,QJ-40RF-DN40,QJ-40RF-DN50,QJ-40RF-DN65,
QJ-40RF-DN80,QJ-40RF-DN100,QJ-40RF-DN125,QJ-40RF-DN150,QJ-40RF-DN200,QJ-40RF-DN250,QJ-40RF-DN300,
QJ-40LF-DN15,QJ-40LF-DN20,QJ-40LF-DN25,QJ-40LF-DN32,QJ-40LF-DN40,QJ-40LF-DN50,QJ-40LF-DN65,
QJ-40LF-DN80,QJ-40LF-DN100,QJ-40LF-DN125,QJ-40LF-DN150,QJ-40LF-DN200,QJ-40LF-DN250,QJ-40LF-DN300,