Ductile Iron material to ASTM - A536 Flanged x Flanged, Grooved x Grooved and Grooved x Flanged available Rated for maximum 17.5 Bar (250 PSI) operating pressure Size: 80, 100, 150 and 200 NB Variable Pressure Trim with Retard Chamber and Water Motor Gong Constant Pressure Trim available as an option Epoxy painted internally & externally UL Listed and FM Approved