Models D-1 & G-1 Swing Check Valve Technical Data Valve Sizes:2½"/DN80 to 8"/DN200Connection Type:Flange/ Flange, Groove/GrooveRated Pressure:300 psi (20.7 bar)Listings & Approvals:cULus, FM, NYC Product Documents and Manuals Technical Data SheetDownload Listings and Approvals FMDownloadULDownload