Flow Meters
SF200 Series — Spring Type Flow Meter
Spring type · Vertical and horizontal mounting
Select a scale for your application, then choose the available connections and options. Original drawings and the complete source PDF are included below.
Find your meter
Without alarm and with alarmTechnical data
Application and operating limits
- Service
- Liquid and oil
- scale
- Water
- Mounting
- Vertical or horizontal; four flow directions
- Accuracy
- ±5% of full scale
- Pressure limit
- 300 psig (20 bar) at 38°C
- Temperature limits
- PC: −5°C to +80°C; PSU: −5°C to +110°C, with SS316 connections
- Weight
- Approximately 0.35 kg
Materials and connections
- Body
- Polycarbonate (PC); polysulfone (PSU) available
- O-ring
- Viton
- Float
- Magnet covered with PPS plastic
- Above 80°C
- Float coating should be PVDF
- Connection / spring
- SS316
- Connection sizes
- ⅜ in, ½ in and ¾ in NPT female
- Alarm switch
- One setting point; form A normally open bistable reed switch; weatherproof IP65
- Switch rating
- AC 125 V / 0.5 A; DC 100 V / 10 W; maximum DC 250 V <40 mA
- Alarm setting range
- 10% to 80% of full scale
Dimensions and construction
| Connection | W (mm) | L (mm) |
|---|---|---|
| ⅜ in, ½ in | 28 | 134 |
| ¾ in | 32 | 165 |
| Code | Water (LPM) | Code | Water (GPM US) |
|---|---|---|---|
| A | 1–4 | G | 0.1–1 |
| B | 1–10 | H | 0.25–2.5 |
| C | 2–20 | I | 0.5–5 |
| D | 4–40 | J | 0.8–8 |
| E | 3–30 | K | 1–10 |
| F | 5–50 | L | 1.3–13 |
| Code | Direction |
|---|---|
| BT | Bottom to top |
| TB | Top to bottom |
| RL | Right to left |
| LR | Left to right |
Select your SF200 Series meter
Choose your fluid, units and maximum range to compare the available scales.
Specifications are general selection guidance. Confirm materials, connection standards, operating temperature and pressure with Sightflow before placing an order.