Yancheng Slong Machinery & Electric Co., Ltd. is one of the leading manufacturers and suppliers of LPG Gas Generator Silent 20kW Dual Fuel Natural Gas Compatible Residential Industrial Backup Power System Factory Direct in China. With abundant experience, we warmly welcome you to wholesale durable products in stock here and get quotation from our factory. All customized products are with high quality and low price.


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Solar system integration
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| Model | SL-JK6 | SL-JK8 | SL-JK12 | SL-JK17 | SL-JK18 | SL-JK20 |
| Fuel Type | LPG & NG / Gasoline | LPG & NG / Gasoline | LPG & NG / Gasoline | LPG & NG / Gasoline | LPG & NG / Gasoline | LPG & NG / Gasoline |
| Frequency (hz) | 50 / 60 | 50 / 60 | 50 / 60 | 50 / 60 | 50 / 60 | 50 / 60 |
| Voltage (v) | 220 120/240 | 220 120/240 | 220 120/240 | 220 120/240 | 220 120/240 | 220 120/240 |
| Gasoline(kw) | 6.0 / 6.5 | 8.0 / 8.5 | 12.0 /13.0 | 15.0 / 16.0 | 17.0 / 18.0 | 19.0 / 20.0 |
| LPG (kw) | 5.8 / 6.3 | 7.2 / 7.7 | 11.0 / 12.0 | 15.0 / 16.0 | 17.0 / 18.0 | 17.0 / 19.0 |
| NG (kw) | 5.2 / 5.6 | 6.5 / 7.0 | 10.0 / 11.0 | 14.0 / 15.5 | 15.0 / 17.0 | 15.0 / 17.0 |
| LPG consumption at 75% load (kg/h) | 2.0 | 2.14 | 3.34 | 3.76 | 3.79 | 3.81 |
| NG consumption at 75% load (m3/h) | 1.9 | 2.02 | 5.12 | 6.18 | 6.22 | 6.32 |
| Fuel Tank | 25 L | 25 L | 50 L | 50 L | 50 L | 50 L |
| Noise level at 7m dB(A) | 69 | 69 | 69 | 69 | 69 | 69 |
| Starting system | Automatic Start | Automatic Start | Automatic Start | Automatic Start | Automatic Start | Automatic Start |
| Displacement (cc) | 420 | 459 | 750 | 999 | 999 | 999 |
| Packing size (mm) | 1000 × 570 × 790 | 1000 × 570 × 790 | 1320 × 730 × 1075 | 1320 × 730 × 1075 | 1320 × 730 × 1075 | 1320 × 730 × 1075 |
| Net / Gross weight (kg) | 169 / 180 | 169 / 180 | 310 / 335 | 327 / 352 | 327 / 352 | 327 / 352 |
| 20'ft / 40'hq | 66/ 138 | 66/ 138 | 24 / 54 | 24 / 54 | 24 / 54 | 24 / 54 |
LPG Gas Generator Silent 20kW Dual Fuel Natural Gas Compatible Residential Industrial Backup Power System Factory Direct
⛽ 1. Silent LPG Gas Generator with Dual Fuel Flexibility
Compatible with LPG propane and natural gas (NG/methane), this 20kW generator provides flexible fuel options for residential and industrial backup power applications.
🔇 2. Low Noise Generator for Residential and Commercial Environments
Designed with a silent enclosure structure, the LPG gas generator delivers reliable electricity with reduced operating noise, suitable for homes, offices, and commercial facilities.
⚡ 3. 20kW Backup Power System for High Energy Demands
With strong output capacity, this gas power generator supports essential loads and critical equipment, providing dependable standby power during outages and emergencies.
🏭 4. Factory Direct Generator with Custom Supply Capability
Supplied directly by an experienced manufacturer, supporting OEM customization, voltage and frequency options, fuel configurations, logo design, and packaging solutions for global partners.
🛡️ 5. Durable Dual Fuel Generator with Intelligent Protection
Equipped with full copper alternator, precise air-fuel adjustment, high temperature shutdown, and low oil pressure protection to ensure efficient operation and long service life.
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