VALVE:CHECK TYPE: WITH HYD DAMPER NOMINAL SIZE: DN 600 END CONNECTION: FLANGE 770MM END TO END DISTANCE: 390MM PRESSURE RATING: PN16 MATERIAL: DUCTILE IRON COMPLEMENTARY INFO: DESIGN STANDARD: EN 593 FACE TO FACE: EN 558 SERIES 14 FLANGES: EN 1092-2 TECHNICAL DOCUMENTS: T.I.S. CHECK VALVE D150.PDF MANUFACTURER 1: TIS SERVICE MANUF. PART NO. 1: D150/DN600/PN16