All KPMI Black Diamond trade stainless steel valves are impregnated by a special German process to a depth of .002 rdquo with a surface build up of .0002 rdquo
This ldquo Black Diamond trade rdquo process improves wear properties reduces friction and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating
Black Diamond trade Valves are light strong one-piece forgings with profiles that provide excellent flow characteristics
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