DWYER PFG2 Series Filter Differential Pressure Gauge
Differential pressure gauge dedicated to filters, using green/yellow/red three-colour zones to directly indicate filter element clean, changing and clogged status.
- Original Factory Genuine, Tenfold Compensation for Counterfeits
- Full Machine Warranty, Lifetime Maintenance
- In Stock, Shipped on the Same Day
The PFG2 series is a differential pressure gauge dedicated to filters, with a dial that uses green, yellow and red three-colour zones to directly indicate filter element clean, changing and clogged status. Accuracy ±5% FS, pressure rating 300 psig, 1/8″ NPT female thread for inline installation or direct mounting on the filter.
| Parameter Name | Technical Specifications |
|---|---|
| Main specifications | |
| Medium | Gases or liquids compatible with SS, GFN, and fluoropolymers. |
| Wetted materials | Aluminium, SS, glass fibre, fluoropolymer. |
| Accuracy | ±5% F.S. |
| Temperature limit | 200°F (93°C). |
| Pressure limits | 300 psig (20.7 bar). |
| Material | Body: glass fibre; mounting bracket: aluminium; dial: polyester; elastomer: fluoroelastomer. |
| Process connection | 1/8" NPT female. |
| Mounting orientation | Any orientation, with 10-32 threaded holes 3/4" apart. |
| Weight | 9.6 oz (272.2 g). |
| Model selection | |
| PFG2-02 | Process filter gage, range 0-5 psid, green zone 0-2.5 psid, yellow zone 2.5-3.75 psid, red zone 3.75-5 psid. |
| PFG2-03 | Process filter gage, range 0-10 psid, green zone 0-5 psid, yellow zone 5-7.5 psid, red zone 7.5-10 psid. |
| PFG2-06 | Process filter gage, range 0-25 psid, green zone 0-11 psid, yellow zone 11-18.5 psid, red zone 18.5-25 psid. |
- Three-colour zones (green/yellow/red) for direct reading of filter element status
- Accuracy ±5% FS, pressure rating 300 psig (20.7 bar)
- 1/8" NPT female, can be installed inline or directly on the filter
- Flow direction arrow marked on the dial to prevent reversed installation
Process filter clogging indication
Installed at the filter inlet and outlet; when the colour zone enters red, schedule filter element replacement.
Valve and pipeline pressure loss monitoring
Used to monitor pressure drop changes across valves and fittings to detect scaling or blockage.
Need selection advice or bulk quotation?
Send us the working condition parameters (signal type, medium, range, pressure, temperature, connection method), and our engineers will provide a selection scheme and quotation within 1 working day.
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