Dungs FRNG520 Flame Detector
Technical specs, application notes, replacement checks, and related model references.
Product Overview
The DUNGS FRNG520 is a sophisticated pneumatic air-fuel ratio controller (zero governor) designed for modulating burners. It proportionally regulates the gas pressure in exact 1:1 synchronization with the combustion air pressure. This dynamic tracking ensures a consistently optimal fuel-air mixture across the entire turndown range, drastically improving combustion efficiency and enabling strict adherence to low-NOx emission standards in industrial heating processes.
Technical Specifications
Ratio Control
1:1 (Gas to Air)
Max Inlet Pressure
500 mbar
Control Range
10:1 (Typical turndown)
Housing Material
Die-cast Aluminum
Approvals
CE (EN 88-1)
Selection Notes & Data Verification
The FRNG520 page is structured for engineering comparison: confirm the product type, firing range, fuel type, operating mode, electrical supply, and safety approvals against the manufacturer datasheet before specifying the burner or component.
Burner.wiki normalizes product data for discovery and comparison, but final selection should account for combustion chamber backpressure, local emission limits, control sequence requirements, and site commissioning conditions.
Typical Applications
Related Models
Related Knowledge
FAQ
What is Dungs FRNG520 used for?
Dungs FRNG520 is referenced as a flame detector for industrial combustion systems. Verify the exact application against the burner documentation, control cabinet wiring, and manufacturer datasheet.
Can FRNG520 replace another model?
Replacement depends on voltage, safety timing, wiring terminals, flame supervision method, mechanical fit, and local combustion safety requirements.
What should be checked before installing FRNG520?
Check supply voltage, burner sequence, fuel type, pressure or capacity range, detector compatibility, safety loop configuration, and the equipment nameplate before commissioning.
Documentation Note
Technical documentation should be verified against the manufacturer datasheet, burner cabinet wiring diagram, and equipment nameplate before installation or replacement.
- Check supply voltage and frequency.
- Confirm terminal layout and safety interlocks.
- Verify flame detector or actuator compatibility.
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