ZZC-1.0-DN20,ZZC-1.0-DN25,ZZC-1.0-DN32,ZZC-1.0-DN40,ZZC-1.0-DN50,自力式差压调节阀
440


690




等百分比


1.6


2.5


4


6.3


10


16


25


40

01/21 20:33