高温气动球阀 QJ641M-16C,QJ641F-16C,QJ641M-16,QJ641F-16,
6


2.4


1.8


-28～+300 (M/F)


导热油、水、蒸汽、气体、油品、硝酸类腐蚀性介质、醋酸类腐蚀性介质




QJ641M/F-16C


2.5


3.8


2.8

01/23 05:47