Metal Tube Flow Meter DF
Technical Data
DF — DF-1 indicating only; DF-2 with adjustable alarm switch.
- Service
- Air and water.
- Materials
- Case: SS316 (DF-1), aluminium (DF-2). Body: SS316. Orifice piston: SS316 or PVDF in technical data.
- Dial
- DF-1: 4 in, 6 in available. DF-2: 4 in only.
- Indication
- Magnetic coupling, without seals.
- Scales
- Water: LPM or LPH. Air: NLPM or Nm³/h.
- Flow
- Water: 0.25–20 LPM or 15–1200 LPH. Air: 6–500 NLPM or 0.35–30 Nm³/h.
- Maximum temperature
- 80°C.
- Working pressure
- 200 kg/cm² standard; other options on request.
- Connection
- ¼ or ½ in NPT or BSP female.
- Protection
- IP66.
- Accuracy
- ±4% F.S.; ±3% F.S. option.
Adjustable micro switch
Dimensions — mm
Swipe across a drawing to see all details.
Standard Scales
| Water 20°C | Air 20°C, 1.013 bar | BSP/NPT | Thread type L (mm) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Code | LPM | Code | LPH | Code | NLPM | Code | Nm³/h | ||
| 001 | 0.25–1.3 | 007 | 15–80 | 013 | 6–30 | 019 | 0.35–1.7 | ¼ in | ≈108 |
| 002 | 0.7–3 | 008 | 40–200 | 014 | 15–80 | 020 | 1–4.7 | ½ in | ≈130 |
| 003 | 0.8–4 | 009 | 50–250 | 015 | 20–110 | 021 | 1.3–6.6 | ||
| 004 | 1.8–9 | 010 | 110–550 | 016 | 40–220 | 023 | 2.6–13 | ||
| 005 | 2.6–13 | 011 | 160–800 | 017 | 60–320 | 024 | 4–20 | ||
| 006 | 4–20 | 012 | 250–1200 | 018 | 100–500 | 025 | 6–30 | ||
Accuracy: ±4% F.S.; ±3% F.S. option.
Water and Air reference: 20°C; Air 1.013 bar. The PDF lists ¼ in (L ≈108 mm) and ½ in (L ≈130 mm) connections without an explicit range-by-size restriction. Both listed sizes retain the published ranges; confirm suitability with the enquiry. The PDF omits range code 022; original codes are retained. Technical data are subject to change.
Build your DF ordering code
Select the options in the same order as the PDF. Each choice shows its ordering code.