Flow Meters
VF350 Series — Flow Meter
Polycarbonate flow meter · Water and air
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
VF350 Series
Technical data
Application and operating limits
- Service
- Water and air
- Working pressure
- 1.2 MPa (12 kg/cm²)
- Test pressure
- 2.0 MPa (20 kg/cm²), water at 25°C
- Temperature
- PC: −10 to +60°C; PSU: −10 to +110°C
- Accuracy
- ±5% of full scale
- Mounting
- Vertical; bottom to top
- Weight
- 0.45–0.5 kg
Materials and options
- Body
- Polycarbonate; polysulfone available
- O-ring
- Viton
- Float
- SS316
- Connections
- SS316; ¾, 1, 1¼ or 1½ in NPT female
- Alarm
- One setting point
- Switch type
- Form A normally open bistable reed switch
- 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


| Type | NPT female connection | L | W / W1 |
|---|---|---|---|
| Original | ¾, 1 in | 165.5 | 55 |
| Original | 1¼, 1½ in | 175 | 60 |
| Fixed | ¾, 1 in | 165.5 | 85 |
| Fixed | 1¼, 1½ in | 175 | 92 |
Select your VF350 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.
