Characteristics
The self-recirculation of this type returns exhaust gas into the flame, lowers the flame temperature, and controls the generation of NOx. This type compatible with the standard type (EXA) as its outside dimensions and mounting dimensions are the same as those of the standard type. Furthermore, this type can use hot air as combustion air, and therefore have an effect on controlling NOx.
Specifications / Shape dimension
Specifications
| Fuel | Fuel Gases |
| Standard Pressure | Gas：2～10kPa Air：6kPa |
| Type | Capacity kW （×1,000kcal/h） |
Air Flow Rate （Nm3/h） |
Connection | |
| Air | Gas | |||
| EXA-1-AP | 97（83） | 91 | Rc 1-1/4 | RC 1 |
| EXA-2-AP | 166（143） | 157 | Rc 1-1/2 | |
| EXA-3-AP | 255（219） | 241 | Rc 2 | |
| EXA-4-AP | 453（390） | 429 | Rc 3 | RC 2 |
| EXA-5-AP | 724（623） | 685 | Rc 4 | |
| EXA-6-AP | 1,060（912） | 1,003 | 125A(JIS5K) | RC 3 |
| EXA-7-AP | 1,530（1,316） | 1,596 | 150A(JIS5K) | |
Dimension
| Type | A | B | C | D | E | F | G | H | J |
| EXA-1-AP | 326 | 180 | 88 | 130 | 50 | 146 | 85 | 14 | 110 |
| EXA-2-AP | 334 | 96 | 154 | 90 | |||||
| EXA-3-AP | 351 | 113 | 171 | 100 | |||||
| EXA-4-AP | 473 | 260 | 132 | 195 | 65 | 213 | 120 | 16 | 150 |
| EXA-5-AP | 502 | 161 | 242 | 135 | |||||
| EXA-6-AP | 549 | 184 | 175 | 85 | 289 | 165 | 19 | 195 | |
| EXA-7-AP | 576 | 211 | 316 | 180 |
| Type | K | L | M | N | P | Q. | R(G) | Mass (kg) |
| EXA-1-AP | 180 | 210 | 235 | 75 | 75 | 12 | 3/4 | 18 |
| EXA-2-AP | 19 | |||||||
| EXA-3-AP | 80 | 20 | ||||||
| EXA-4-AP | 235 | 275 | 305 | 105 | 100 | 15 | 38 | |
| EXA-5-AP | 110 | 40 | ||||||
| EXA-6-AP | 300 | 350 | 385 | 150 | 135 | 19 | 1 | 80 |
| EXA-7-AP | 83 |
※ EXA-6, 7AP are flanged for connection to the air.
Download of DXF data
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Technical data
NOx DATA
| Condition | |
| Burner | EXA-4/EXA-4AP（453kW） |
| Air Pressure | 6kPa |
| Fuel | LPG |
| Excess Air Ratio | 1.1 |