Pressure-reducing valves (HS 848110); Check (nonreturn) valves for pipes, boiler shells, tanks, vats or the like (HS 848130); Taps, cocks, valves and similar appliances for pipes (excluding pressure-reducing valves, valves for oleohydraulic or pneumatic transmissions, check (nonreturn) valves and safety or relief valves) (HS 848180)
Proyecto de Primera Revisión del Reglamento Técnico Ecuatoriano PRTE INEN 226 (1R) "Válvulas para uso industrial" (Draft first revision (1R) of Ecuadorian Technical Regulation PRTE INEN No. 226 "Valves for industrial use") (12 pages, in Spanish)
The notified Ecuadorian Technical Regulation establishes the requirements to be met by valves for industrial use, prior to the marketing of domestic and imported products, with the aim of protecting human safety and preventing deceptive practices.
It applies to the following products:
1. Valves with flanged, threaded or welding ends, in addition to wafer and flangeless valves, which are cast or forged;
2. Ball, check (nonreturn), gate and shut-off valves intended for use in piping systems in the oil and natural gas industries.
It does not apply to: Pressure-reducing valves for use with water or LPG.