Roberts Gorden HF 30 v4 Installation, Commissioning, Service & User Instructions page 38

CABINET HEATER
Fig 4.1 B.M.Oil Lifter
For fuel
tanks
above
pump set
Check
Valve
Storage Tank below ground
Fig. 4.2 Pressurised System Installation - Duplex System
240V
Oil Lifter
Oil Heater
Air Vent
Filler Pipe
Relief Valve
Check
Valve
Stop
Valve
No.1
Pump
Stop
Valve
Storage Tank
Pressure Gauge
Check
Valve
Stop
Pressure
Valve
Reducing
Valve
No.2
Pump
Burner
Stop
Valve
DUPLEX PUMP SET
Total Suction Length in Feet
8mm ( / ") O.D. Copper Tube
5
16
Lift in Feet
Lift in Metres
Technical data
Maximum lift............... 8 metres
Maximum capacity...... 20 litres/hr
Actual capactity.......... 10 to 20 l/hr
Dependant upon vertical lift and suction line
length.
Pressure
Reducing
Valve
Burner
33ft
65ft
99ft
132ft
165ft