Dwyer VA25437 Variable Area Flowmeters for Gas & Liquid – Universal Scale, 6-Turn Valve (1/8 in, NPT Female)

Accuracy: ± 2 %, ± 5% with transitional flow

Materials: PTFE

Valve Type: 6-Turn Needle Valve

Scale Length: 150 mm

Accuracy Note: ± 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)

Gas Flow, Max: 18.39 SCFH

Pressure Type: Gauge

Repeatability: ± 0.25%

Proof Pressure: Up to 100 psi

Turndown Ratio: 10:1

Liquid Flow, Max: 3.32 gal/h

Materials, Wetted: Borosilicate, Glass, PTFE

Media Compatibility: Air, Water

Mounting Orientation: Vertical

Leak Rate Under Vacuum: less than 10^⁻⁷ cc He/s

Process Connection Note: Two 1/8˝ female NPT

Process Connection Size: 1/8 in

Process Connection Type: NPT Female

Operating Temperature, Max: 150 °F

Operating Temperature, Min: -15 °F

Material Construction Option: PTFE

Datasheet