... pipe fittings made of stainless steel, carbon steel and malleable iron, and we can also design different types of deformed valves ... , gate valves, strainers, sanitary valve & fitting, quick couplings such as type A,B,C,D,E,F,DC,DP,pipe fittings ... , DIN, BS, JIS, GB standards an so on. stainless steel Y-strainer