船用青铜水减压阀 cb/t 624-1995
产品名称：cb/t624-1995 青铜水减压阀
model:water pressure reducing valve cb/t624-1995
适用介质：淡水，海水
suitable medium:fresh water and sea water.
材料：阀体和阀下盖为zcusn5pb5zn5，阀盖为zf230-450，阀盘为hsn62-1,
阀杆为qa19-2，弹簧为60si2mna
material:zcusn5pb5zn5 for body and down cover,zg230-450 for bonnet,hsn62-1 for disc,
qa19-2 for stem,60si2mna for spring.