ISO 19631:2015规定了标准管件鉴定和制造的性能和质量要求，以确保飞机液压5 080 psi（35 000 kPa）系统的可靠性能。 ISO 19631:2015规定了在发动机上进行鉴定试验的系统配件的设计和制造基准标准。 ISO 19631:2015涵盖了尺寸？04到？20用于以下用途: ?可分离/永久性管端配件； ?永久性连接配件； ?可分离连接配件。 ISO 19631:2015涵盖了ISO 6771中规定的温度类型和压力等级的配件。

ISO 19631:2015 specifies performance and quality requirements for the qualification and manufacture of standard tube fittings to ensure reliable performance in aircraft hydraulic 5 080 psi (35 000 kPa) systems. ISO 19631:2015 specifies baseline criteria for the design and manufacture of system fittings that are qualification tested on engines. ISO 19631:2015 covers fittings from size?04 to?20 used for the following: ?separable/permanent pipe end fittings; ?permanent connection fittings; ?separable connection fittings. ISO 19631:2015 covers fittings of the temperature types and pressure classes specified in ISO 6771.