The loose flange consists of two parts (two semicircles), enabling the flange to be installed on an existing system. Material: UV-stabilized glass fiber-reinforced polyester (GFRP). Maximum operating pressure: PN 16 bar. Maximum test pressure: 30 bar. Operating temperature under pressure: -10°C to +95°C. Operating temperature without pressure: -10°C to +110°C. Reference standards: UNI 2223:1967, ISO 7005:1992, DIN 16962-12:1999.