HS Code Heading 8481

8481.10.00 Pressure-reducing valves for pipes, boiler shells, tanks, vats or the like 8481.20.00 Valves for oleohydraulic or pneumatic transmissions 8481.30.10 Check valves of copper for pipes, boiler shells, tanks, vats or the like 8481.30.20 Check valves of iron or steel for pipes, boiler shells, tanks, vats or the like 8481.30.90 Check valves other than of copper or iron or steel, for pipes, boiler shells, tanks, vats or the like 8481.40.00 Safety or relief valves for pipes, boiler shells, tanks, vats or the like 8481.80.10 Taps, cocks, valves & similar appliances for pipes, boiler shells, tanks, vats or the like, hand operated, of copper, nesi 8481.80.30 Taps, cocks, valves & similar appliances for pipes, boiler shells, tanks, vats or the like, hand operated, of iron or steel, nesi 8481.80.50 Taps, cocks, valves & similar appliances for pipes, boiler shells, tanks, vats or the like, hand operated, not copper, iron or steel, nesi 8481.80.90 Taps, cocks, valves & similar appliances for pipes, boiler shells, tanks, vats or the like, other than hand operated, nesi 8481.90.10 Parts of hand operated and check appliances for pipes, boiler shells, tanks, vats or the like, of copper 8481.90.30 Parts of hand operated and check appliances for pipes, boiler shells, tanks, vats or the like, of iron or steel 8481.90.50 Parts of hand operated and check appliances for pipes, boiler shells, tanks, vats or the like, other than of copper or iron or steel 8481.90.90 Parts of taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, nesi