To ensure the quality and performance of hydraulic quick-connect couplings, a series of standards has been established, including:
GB/T 15622-2008 "Hydraulic quick-connect couplings"
ISO 16028:2017 "Hydraulic fluid power - Flush-face type quick-action couplings - Specifications"
SAE J 1453-3-2001 "Specification: Flush-face quick-connect coupling profiles"

