Detailed manual for Swagelok G and M series variable‑area flow meters covering features, installation, calibration, specifications and ordering information.
The Swagelok variable‑area flow meters are offered in two families: the G series with glass tubes for direct visual reading, and the M series with metal tubes for harsh conditions. Both families provide high accuracy, low maintenance, optional limit switches and a range of connection sizes from 1/8 to 1¼ in.
The manual includes product features, calibration and testing procedures, cleaning and packaging guidelines, installation requirements, selection charts, technical data tables, ordering codes and a list of optional accessories. It also references related Swagelok products such as pressure‑regulating and metering valves. This manual is written in Chinese.
| Air flow range (std ft³/h) | 0.018–0.18 to 4.5–45 |
|---|---|
| Water flow range (U.S. gal/h) | 0.065–0.65 to 4.2–42 |
| Process temperature range | -5 °C to 100 °C (‑5 °F to 212 °F) |
| Maximum inlet pressure | 145 psig (10 bar) |
| Accuracy grade | 4.0 |
| Weight (G1 example) | 0.8 lb (0.36 kg) |
All models must be installed vertically except the MH model, which requires horizontal installation.
The G series flow meters have an accuracy grade of 4.0.