Service:Compatible gases or liquids.Wetted Materials:Body: SS; O-rings: Buna-N; Sight tube: Polysulfone.Temperature Limits:See “Operating Limits” table on Catalog page.Pressure Limits:See “Operating Limits” table on Catalog page.Accuracy:±2% of FS.Repeatability:±0.25% of indicated flow rate.Process Connections:3/4″ and 1-1/2″ female NPT.Scale Length:3.2″ (8 cm) for 3/4″ NPT connection; 5.2″ (13 cm) for 1-1/2″ NPT connection.Weight:4 lb (1.8 kg) for 3/4″, and 12 lb (5.5 kg) for 1-1/2″.