Description
All kpmi black diamond® stainless steel valves are impregnated by a special german process to a depth of.002”, with a surface build up of.0002”.This “black diamond®” process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating.Black diamond® valves are light, strong, one-piece forgings with profiles that provide excellent flow characteristics.