A Chinese product introduction for Vögtlin Instruments' V‑Flow series, covering Q‑Flow, V‑100 and M‑Flow flow meters and control valves.
The V‑Flow series from Vogtlin Instruments includes the Q‑Flow rotor flow meters, V‑100 float flow meters and M‑Flow high‑precision control valves. The brochure describes modular designs, material options (aluminum or stainless steel bodies, FKM or EPDM seals), and a range of connection styles (back, axial or transverse).\n\nTechnical specifications such as measurement ranges, accuracy, pressure and temperature limits, and selectable options (laboratory bases, limit switches, custom scales) are provided for each model. Selection codes and installation guidelines help users choose the appropriate configuration for gas or liquid applications. This manual is written in Chinese.
| Body material | Aluminum or stainless steel |
|---|---|
| Seal material | FKM or EPDM (or FFKM for some models) |
| Maximum pressure | 20 bar |
| Maximum temperature | 100 °C |
| Full‑scale accuracy | ±5 % (Q‑Flow 55), ±4 % (Q‑Flow 80), ±2 % (Q‑Flow 140) |
The bodies are made of aluminum or stainless steel.
Seals are made from FKM or EPDM (with FFKM available for some models).
All models are rated up to 20 bar.