Section XVI — Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles
Chapter 84 — Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
Heading 8481 — Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, including pressure reducing valves and thermostatically controlled valves.
Subheading 8481.30 — Check (nonreturn) valves
HS code
8481.30.00 Check valves
Last Verified Date - 1 October 2026
Common commodities
Non-return flap valve for water supplyOne-way flow controller for drainage systemDual plate check valve for sewage linesBackflow prevention device for irrigation systemsAutomatic non-return mechanism for liquid pipelinesSimple flap valve for oil transportationCheck valve for liquid circulation in machineryPressure-activated one-way flow controllerWater supply system non-return mechanismLiquid flow direction control device