对夹升降式止回阀 H71H-16Q，H71H-25Q，H71W-25H，H71W-25P，H71W-40H，H71W-40P，
H-25Q


2.5


3.75


2.75


235℃




H71W-25H


300℃




H71W-25P


200℃


硝酸等腐蚀性介质

01/22 15:13