Service:Compatible gases or liquids.Wetted Materials:HFA: Aluminum casing, Buna-N seals, PTFE coated Alnico magnet, SS disk; HFB: Brass casing, Buna-N seals, PTFE coated Alnico magnet, SS disk; HFS: 303 SS casing, FKM seals with PTFE backup, PTFE coated Alnico magnet, SS disk.Maximum Viscosity:500 SSU.Temperature Limits:240°F (116°C).Pressure Limits:HFA, HFB, HFL and HFH models: 600 psig (41 bar) for air and gas, 3500 psig (241 bar) for liquids;
HFS model: 1000 psig (70 bar) for air and gas, 6000 psig (413 bar) for liquids.Accuracy:±4% FS over entire range; ±2.5% over center third of the measuring range.Repeatability:±1% of FS.Shipping Weight:1/4″ to 1/2″ female NPT models; 2 lb (0.9 kg);
3/4″ to 1″ female NPT models: 3.5 lb (1.59 kg); 1-1/2″ female NPT models: 11 lb (5 kg);
2″ female NPT models: 13.5 lb (6.12 kg).