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For single-pipe installation with monoblock burners and systems according to DIN 4755 BI.2 and TRD 411 or 604. These fuel oil air-separation units are to be considered as a component of a burner unit and designed for a max. pressure of 5 bar.
by means of separate feed pump through the ring main present or tank situated higher up.
For single-pipe oil installation of automatic oil fuel with fuel oil EL suitable for systems to DIN 4755 or TRD.
Functional description:
Design according to scheme A (with supply pressure on T connection)
The burner pump shall supply the oil via a ball valve , filter, adapter for oil meter (or optionally integrate oil meter ) and vessel in the single pipe system, i.e. in T connection, only the fuel oil used by the boiler flows. In T1 and R connections, on the other hand, the full intake flow of the burner pump flows. The bypass oil R coming from the burner is directed via the vessel back to the burner. The air arising as a result may be vent by manual ventilation.
Optionally, automatic vent by a float air vent is also possible.
This unit is designed for supply pressure of 1 – 5 bar.
Other designs (e.g. for suction operation or deviating accessories) may be provided on request.
| Size | Burner flow on T l/h |
Burner pump max. l/h |
Supply connection T |
Burner connection R + T1 |
Vessel capacity litres |
Dimensions | Item No. |
| LBA 600 A | 10 – 200 | 600 | DN 15 | G 3/4″ | 5 | 1050 x 360 | 480060 |
| LBA 1200 A | 10 – 400 | 1200 | DN 15 | G 3/4″ | 18 | 1400 x 500 | 480120 |
| LBA 2400 A | 30 – 1000 | 2400 | DN 20 | G 1″ | 30 | 1400 x 500 | 480240 |
| LBA 3000 A | 75 – 2000 | 3000 | DN 25 | G 1″ | 30 | 1400 x 500 | 480300 |
| Item | Brief description |
Name | LBA 600 Item no. |
LBA 1200 Item no. |
LBA 2400 Item no. |
LBA 3000 Item no. |
| 5.1 | HZ | Oil meter VZO 15 to 25 RC | 700312 | 700312 | 700320 | 700326 |
| 5.2 | RV | Pulse generator RV = 0.1 for VZO 15; Pulse generator RV = 1 for VZO | 700313 | 700313 | 700321 | 700327 |
| 5.3 | IN | Pulse generator IN = 0.1 for VZO 15; Pulse generator IN = 1 for VZO | 700315 | 700315 | 700322 | 700328 |
| 21 | EE | End position switch, including bracket, 230 V/50 Hz | 820730 | 820730 | 820730 | 820730 |
| 23.1 | G/SE | Automatic float air vent for optimum ventilation | 820212 | 820212 | 820212 | 820212 |
| 25 | EF | Single filter G 3/4″ / PN10, 100µ/td> | 820022 | 820022 | – | – |
| 25 | EF | Single filter G 1″ / PN6, 100µ | – | – | 842950 | 842950 |
| 26 | M | Piston solenoid valve, G 1/2″– DN 10, DIN & TÜV tested | 0820257 M | 0820257 M | – | – |
| 26 | M | Piston solenoid valve, G 3/4″– DN 15, DIN & TÜV tested | – | – | 0820258 M | – |
| 26 | M | Piston solenoid valve, G 1″– DN 15, DIN & TÜV tested | – | – | – | 0820259 M |
| 29 | S | Pressure switch G 1/2″, 230 V/50 Hz, adjustment range: 0.5 – 6 bar | 0720672 M | 0720672 M | 0720672 M | 0720672 M |
| 30 | DK | Double ball valve combination | 821110 | 821112 | 821112 | 821114 |
| 35 | LH | Leakage detector integrated into oil pan, type LMW (sensor 1.5 m) | 0720705-1 | 0720705-1 | 0720705-1 | 0720705-1 |
| 36 | DM | Pressure-regulator valve 0.2–2.5 bar | 0821185 M | 821186 | 821187 | 821188 |
| 7 | DA | Pressure equalisation as safety valve with component test possible at an additional cost, set to 3 bar with sealing cap |
820372 | 820372 | 820372 | 820372 |
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hp-TECHNIK GmbH Industrial Pumps, Conveying units and plant construction
