PDF 250
Capacity | Fuel | Regulation |
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4.6-6.6 MW | LPG/ NG/ Biogas | ON/OFF, HIGH/LOW and Modulating |
The PDF Series burner can operate on gas (NG, LPG, Towns Gas and Biogas), oil (Class D light oil, Class G HFO) or a dual fuel combination and is available in standard outputs from 3.3MW to 18MW.
The PDF Series burner is commonly used on large industrial steam and hot water boilers.
Key Features:
• Available in monoblock design up to P310 or a duoblock design with a floor mounted combustion air fan
• Low NOx Head
• Electronic micro modulation air fuel ratio control with individual valve servo motors as standard
• Variable Speed Drive (VSD) combustion air fan motor
• Air inlet silencer (< 85dBA)
• Oxygen trim for improved efficiency and reduced emissions
• Separate or integrated water level controls for steam boilers
• Data Transfer Interface for BMS control
All P series burners are design and manufactured in accordance with EN267 and EN676.
Model PDF | 250/5.1 | 250/5.5 | 250/6.0 | 250/6.2 | 250/6.6 | 250/7.0 | 250/7.3 | |
Output (nett CV) | MW | 4.6 | 5.5 | 5.4 | 5.6 | 5.9 | 6.3 | 6.6 |
Fan Size | kW | 11 | 11 | 11 | 11 | 11 | 15 | 15 |
Pump Motor (Distillate Fuel) | kW | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 |
Pump Motor (Residual Fuel) | kW | 1.5 | 1.5 | 1.5 | 3.0 | 3.0 | 3.0 | 3.0 |
Pre-heater (Residual Fuel only) | kW | 24 | 24 | 24 | 30 | 30 | 30 | 36 |
Electrical Supply | V/Hz | 400/50 | 400/50 | 400/50 | 400/50 | 400/50 | 400/50 | 400/50 |
Oil inlet pressure | psi | 5 to 10 | 5 to 10 | 5 to 10 | 5 to 10 | 5 to 10 | 5 to 10 | 5 to 10 |
Gas inlet pressure (min/max) | mbar | 140/300 | 140/300 | 140/300 | 140/300 | 140/300 | 140/300 | 140/300 |
Gas train inlet conn. |
| PN16 DN80 | PN16 DN80 | PN16 DN80 | PN16 DN80 | PN16 DN80 | PN16 DN80 | PN16 DN80 |
Operation |
| Fully Modulating | Fully Modulating | Fully Modulating | Fully Modulating | Fully Modulating | Fully Modulating | Fully Modulating |
Control Unit |
| Autoflame Mini Mk7 | Autoflame Mini Mk7 | Autoflame Mini Mk7 | Autoflame Mini Mk7 | Autoflame Mini Mk7 | Autoflame Mini Mk7 | Autoflame Mini Mk7 |
Gas Turndown |
| up to 7.0 | up to 7.0 | up to 7.0 | up to 7.0 | up to 7.0 | up to 7.0 | up to 7.0 |
Oil Turndown |
| up to 4.0 | up to 4.0 | up to 4.0 | up to 4.0 | up to 4.0 | up to 4.0 | up to 4.0 |
Flame Monitor |
| UV Sensor | UV Sensor | UV Sensor | UV Sensor | UV Sensor | UV Sensor | UV Sensor |
Flame tube lengths | mm | 430/610 | 430/610 | 430/610 | 430/610 | 430/610 | 430/610 | 430/610 |
GAS |
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Noise | dBA | 93 | 93 | 93 | 93 | 93 | 93 | 93 |
NOx | mg/kWh | 140-190 | 140-190 | 140-190 | 140-190 | 140-190 | 140-190 | 140-190 |
OIL |
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Noise | dBA | 93 | 93 | 93 | 93 | 93 | 93 | 93 |
NOx | mg/kWh | 200-280 | 200-280 | 200-280 | 200-280 | 200-280 | 200-280 | 200-280 |
CO | mg/kWh | <110 | <110 | <110 | <110 | <110 | <110 | <110 |