Service:Compatible gases or liquids.Wetted Materials:Flowtube: Borosilicate glass; Floats: Glass or SS (sapphire, Carboloy and tantalum are optional); Float stops: PTFE; End fittings: Anodized aluminum, 316 SS, brass or PTFE; Packings: Fluoroelastomer, none on VAX5XX models; O-rings: Buna-N on aluminum models and brass models, fluoroelastomer on SS models, PTFE on VAX5XX models.Temperature Limits:250°F (121°C); VAX5XX: -15 to 150°F (-26 to 65°C).Pressure Limits:200 psig (13.8 bar); VAX5XX: 100 psig (6.7 bar).Accuracy:±2% FS @ 70°F (21.1°C) and 14.7 psia (1 atm absolute); VA1043, VA1243, VA1343, VA25425, VA25025: ±5% FS @ 70°F (21.1°C) and 14.7 psia (1 @ absolute).Repeatability:±0.25% FS.Scales:Universal 65 mm or 150 mm with correlation charts.Turn-Down Ratio:10:1.Connections:Two 1/8″ female NPT.Mounting:Vertical.Valve:6-turn needle (standard), optional 16-turn high precision valve.Valve Orifice:Acetal on aluminum models and brass models, PCTFE on stainless steel models; PTFE on VAX5XX models.