Service:Compatible gases and liquids.Wetted Materials:Window: tempered glass; Body: bronze or 316 SS; Gasket: Buna-N, fluoroelastomer or PTFE; Indicator: ABS or 316 SS impeller (100 and 300), 304 SS or 316 SS flapper (360).Temperature Limit:200°F (93°C); 120°F (48°C) on W2 option; 170°F (77°C) on I1 option.Pressure Limit:125 psig (8.62 bar), 150 psig (10.34 bar) on “MP” Models.Connections:Threaded.