Junctions of metal for pipes; Manually operated metal valves; Metal blind flanges; Metal flanges; Metal pipe collars; Metal pipe couplings and joints; Stainless steel pipes; Stainless steel strainers used in the commercial preparation of foods, beverages, dairy products, pharmaceuticals and drugs; Valves of metal other than parts of machines including those from alloy steel and titanium; Valves of metal, other than parts of machines