Service:Water.Wetted Materials:Body: Polycarbonate; Flange nut: ABS; Float stop: LFMA, LFMB, LFMC: ABS; LFMD, LFME, LFMF: Polypropylene; O-rings: Fluoroelastomer; Rod & float: 316 SS; Connections: 20 mm & 63 mm metric union fittings: ABS; 32 mm & 40 mm metric union fittings: PVC; 1/2″ & 3/4″ male NPT fittings for LFMA, LFMB, LFMC: ABS; 3/4″ male and female NPT fittings for LFMD: PA66 nylon; 1″ & 2″ male NPT fittings: PA66 nylon.Pressure Limit:87 psi (6 bar) at 68°F (20°C); 90° elbow fittings 116 psi (8 bar) at 68°F (20°C).Accuracy:±5%.Process Connection:LFMA: 1/2″ male NPT. Optional 20 mm metric union; LFMB: 1/2″ male NPT. Optional 20mm metric union or 1/2″ male NPT with 90° elbow; LFMC: 1/2″ male NPT. Optional 20 mm metric union, 3/4″ male NPT, or 1/2″ male NPT with 90° elbow; LFMD: 3/4″ male NPT. Optional 32 mm metric union, 3/4″ female NPT, or 3/4″ male NPT with 90° elbow; LFME: 1″ male NPT. Optional 40 mm metric union, 1″ female NPT, or 1″ male NPT with 90° elbow; LFMF: 2″ male NPT. Optional 63 mm metric union or 2″ female NPT.Weight:LFMA: 2 oz (56.7 g); LFMB: 3 oz (85.0 g); LFMC: 4 oz (113.4 g); LFMD: 10 oz (283.5 g); LFME: 15 oz (425.2 g); LFMF: 40 oz (1.1 kg).CAUTION: Series LFM Flowmeters are for indoor use only or areas without direct sunlight. Polycarbonate is adversely affected by ultraviolet light.