Features and Benefits Screw connection Self sealing design, low maintain cost Applicable Standards Connection standard: ISO228 Test standards: ISO 5208 Applicable Standards Connection standard: ISO228 Technical Data Nominal Diameter:DN15~DN25 (1 2"~1") Nominal pressure: PN 16 Temperature range: -5C ~ 85C Sealing test: 1.1PN Shell test: 1.5PN Suitable for: Water, ethylene glycol, non correction medium, etc.