SAE flanges are made acccording to SAE J518 / ISO 6162 standards. SAE flanges are used in oil hydraulic systems. SAE flanges are also known as SAE Code 61 Flanges or SAE Code 62 Flanges. Code 61 represents 3000 PSI working pressure, while Code 62 represents 6000 PSI working pressure.
These 4 bolt flange connections are proven, leak-free connections, especially suitable for large size high pressure applications. Because of the o-ring seal design, SAE flanges provide connections with reasonable assemble torque range..