Light Oil Burner
Riello RG4S Light Oil Burner
The Riello RG4S is a light oil burner in the Riello programme, rated about 232 kW (200,000 kcal/h, light oil) for larger package boilers. The Riello Gulliver RG4S extends the single-stage light-oil range with a larger fuel head for mid-size boiler and heater applications. EPCs specify the RG4S where a Gulliver single-stage light-oil burner must reach a higher duty without moving to two-stage control. The RG4S is the largest Gulliver light-oil head, reaching the 200,000 kcal/h class for process heaters.
Why buyers choose it
- Rated about 232 kW (200,000 kcal/h, light oil) — matched to larger package boilers, not a generic catalogue figure.
- The RG4S is the largest Gulliver light-oil model, above the RG3 and RG2 in output.
- The RG4S is the largest Gulliver light-oil head, reaching the 200,000 kcal/h class for process heaters.
- Backed by Riello authorized-distributor selection and commissioning support.
- Fitment: The RG4S keeps the Gulliver flange and fan, so it is the natural upward swap from an RG3 on the same burner throat.
- 3-year warranty on complete units & core components, with pre-dispatch inspection.
- Pick the RG4S when the duty needs the ~200,000 kcal/h light-oil band — it is the largest single-stage Gulliver head.
- The RG4S keeps the Gulliver flange and fan, so it is the natural upward swap from an RG3 on the same burner throat when output must rise.
Specifications
| Model | RG4S |
|---|---|
| Brand | Riello |
| Type | Light Oil Burner |
| Fuel | Light oil (diesel) |
| Output range | about 232 kW (200,000 kcal/h, light oil) |
| Head | Gulliver larger fuel head |
| Application | mid-size industrial boilers |
| Connection / electrical | 230 V / 50 Hz |
| Application segment | larger package boilers |
| Control / stages | Single-stage |
| Fitment | The RG4S keeps the Gulliver flange and fan, so it is the natural upward swap from an RG3 on the same burner throat. |
| Supply | Authorized distributor |
| Warranty | 3 years on complete units & core components |
| Nozzle / pump | Larger light-oil nozzle, higher-capacity pump head |
| Motor | Standard Riello light-oil motor, flange-mounted |
| Typical boiler | Larger package boilers up to ~200,000 kcal/h |
Applications
Riello RG4S is specified for larger package boilers where light oil burner duty must stay stable across load swings.
Plants also fit the RG4S to thermal-oil loops with wide ambient swing, because its single-stage control keeps commissioning simple.
For process-air heaters needing a stable oil flame, the RG4S is the Riello option that It holds a stable light-oil flame across its range, which matters on thermal-oil loops with a wide ambient swing.
It holds a steady oil flame across a wide ambient swing, which matters on outdoor thermal-oil loops.
On larger package boilers, process-air heaters and outdoor thermal-oil loops, the RG4S is the common selection because it holds a stable light-oil flame across a wide ambient swing.
Buyer Questions
Riello RG4S Light Oil Burner FAQs
What output range does the Riello RG4S cover?
About about 232 kW (200,000 kcal/h, light oil) (per the Riello published light oil burner range); the exact duty is confirmed against your boiler or furnace on request.
Which applications suit the Riello RG4S?
The RG4S is the largest Gulliver light-oil model, above the RG3 and RG2 in output.
How is the Riello RG4S controlled and supplied?
It is single-stage and Zhongli Weiye supplies the Riello RG4S as an Riello authorized distributor, with selection, commissioning and after-sales support.
Can the Riello RG4S be used for larger package boilers?
Yes — the RG4S is sized for larger package boilers; The RG4S keeps the Gulliver flange and fan, so it is the natural upward swap from an RG3 on the same burner throat.
What makes the Riello RG4S different from nearby models in the range?
The RG4S is the largest Gulliver light-oil head, reaching the 200,000 kcal/h class for process heaters.
Is the RG4S a good swap for an RG3?
Yes, when the duty needs the higher ~200,000 kcal/h class. The RG4S keeps the Gulliver flange and fan so it mounts where an RG3 already sits; just re-rate the duty upward.
Request a quote for RG4S
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