h41, h41h, h41h-16, h41y, h74w, h74w-10c, j61y, j61y-p54, j61y-p54140v, jy41y, z41w, z41w-16, z41w-16p, 截止阀, 截止阀j61, 截止阀j61y, 气截止阀, 氧气截止阀|
2020-08-31|
Post by: Una5443bbvahcu
阀门材质之型号材质含义具体解析
h41h-16是什么材质 h41h-16的密封材质是Cr13系不锈钢，阀门代号为H。