电动O形切断球阀 HRVO-16C,HRVO-16K,HRVO-25K-DN40,HRVO-40K-DN50,HRVO-64K-DN25,HRVO-100K-DN15





密封试验


1.8


2.8


4.4


7.0


11.0


2.2


5.6


11.2


1.5

01/22 17:34