Project Description
LE Domestic Circulator Pump
Designed for heating, domestic hot-water, cooling and air-conditioning systems. The pumps are available in various materials, making them suitable for a range of applications. The pumps are reliable and maintenance-free.
Suitable for:
- Commercial heating
- Domestic hot water recirculation
Flow rate, Qmax:
Pump head, Hmax:
Liquid temperature:
System pressure, Pmax:
Power Range:
Ambient temperature:
Enclosure class:
Insulation class:1 x 230 V – 50 Hz
9.6 m3/h
15 m
+2°C to +110°C (TF 110)
1.0 MPa/10 bar
72-270 W
0°C to +40°C
IP 44
F
» 3 manually selectable speed stages
» Quick electrical connection with spring clips
» Available options for rear housing material:
cast iron, brass, stainless steel
» Cast iron housing with cataphoretic (KTL) coating protects against corrosion due to condensation formation
» Based on 500,000 times test in extreme conditions
» Hot-water heating systems of all kinds
» Industrial circulation systems
» Cold water and air-conditioning systems
» Circulation in solar thermal and geothermal energy systems
» Biomass boilers systems
Explosive View
| PARTS | MATERIALS |
|---|---|
| Rear Housing | Cast iron/ Brass/ Stainless Steel |
| Impeller | PES/ PP |
| Shield cover base | Stainless Steel |
| Bearing | Ceramic |
| Gasket | Rubber |
| Thrust bearing | Graphite/Carborundum |
| Rotor | Silicon steel |
| Shaft | Ceramic |
| Shield cover | Stainless steel |
| Stator | Silicon steel & Copper |
| Motor casing | Die-cast Aluminium |
| Inner-hexagon screws | Stainless steel |
| Air exhaust screw | Brass |
| Nameplate | Nylon |
| Terminal box | Nylon |
Technical Data
| Type | Max. power | Max. volume flow Qmax |
Max. delivery head Hmax |
Thread | Threaded pipe union |
Rated pressure |
Overall length |
Mains connection |
Gross weight |
|---|---|---|---|---|---|---|---|---|---|
| LE 15/4 | 72 W | 2.3 m³/h | 4 m | G 1″ | G 3/4″ | 10 bar | 130 mm | 1~230 V, 50 Hz |
2.2 kg |
| LE 25/4 | 72 W | 2.9 m³/h | 4 m | G 1 1/2″ | G 1″ | 10 bar | 130/180 mm | 1~230 V, 50 Hz |
2.4 kg |
| LE 32/4 | 72 W | 3.4 m³/h | 4 m | G 2″ | G 1 1/4″ | 10 bar | 180 mm | 1~230 V, 50 Hz |
2.6 kg |
| LE 15/6 | 93 W | 2.6 m³/h | 6 m | G 1″ | G 3/4″ | 10 bar | 130 mm | 1~230 V, 50 Hz |
2.3 kg |
| LE 25/6 | 93 W | 3.3 m³/h | 6 m | G 1 1/2″ | G 1″ | 10 bar | 130/180 mm | 1~230 V, 50 Hz |
2.5 kg |
| LE 32/6 | 93 W | 3.9 m³/h | 6 m | G 2″ | G 1 1/4″ | 10 bar | 180 mm | 1~230 V, 50 Hz |
2.7 kg |
| LE 15/7 | 135 W | 3.3 m³/h | 7 m | G 1″ | G 3/4″ | 10 bar | 130 mm | 1~230 V, 50 Hz |
2.6 kg |
| LE 25/7 | 135 W | 3.8 m³/h | 7 m | G 1 1/2″ | G 1″ | 10 bar | 130/180 mm | 1~230 V, 50 Hz |
3.0 kg |
| LE 32/7 | 135 W | 4.2 m³/h | 7 m | G 2″ | G 1 1/4″ | 10 bar | 180 mm | 1~230 V, 50 Hz |
3.2 kg |
| LE 15/8 | 165 W | 3.4 m³/h | 8 m | G 1″ | G 3/4″ | 10 bar | 130 mm | 1~230 V, 50 Hz |
3.3 kg |
| LE 25/8 | 182 W | 6.9 m³/h | 8 m | G 1 1/2″ | G 1″ | 10 bar | 130/180 mm | 1~230 V, 50 Hz |
4.2 kg |
| LE 32/8 | 270 W | 9.6 m³/h | 8 m | G 2″ | G 1 1/4″ | 10 bar | 180 mm | 1~230 V, 50 Hz |
4.8 kg |
| LE 20/12 | 245 W | 3.1 m³/h | 12 m | G 1″ | G 3/4″ | 10 bar | 180 mm | 1~230 V, 50 Hz |
4.4 kg |
| LE 25/12 | 245 W | 3.7 m³/h | 12 m | G 1 1/2″ | G 1″ | 10 bar | 180 mm | 1~230 V, 50 Hz |
4.5 kg |
| LE 25/15 | 270 W | 4.1 m³/h | 14 m | G 1 1/2″ | G 1″ | 10 bar | 180 mm | 1~230 V, 50 Hz |
5.3 kg |
Measurement
| Type | L (mm) |
B (mm) |
H (mm) |
G (inch) |
Material of rear housing |
|---|---|---|---|---|---|
| LE 15/4 | 130 | 127 | 133 | 1″ | cast iron/ brass/ stainless steel |
| LE 25/4 | 130/180 | 127 | 133 | 1 1/2″ | cast iron/ brass |
| LE 32/4 | 180 | 127 | 133 | 2″ | cast iron/ brass |
| LE 15/6 | 130 | 127 | 133 | 1″ | cast iron/ brass/ stainless steel |
| LE 25/6 | 130/180 | 127 | 133 | 1 1/2″ | cast iron/ brass |
| LE 32/6 | 180 | 127 | 133 | 2″ | cast iron/ brass |
| LE 15/7 | 130 | 123 | 145 | 1″ | cast iron/ brass/ stainless steel |
| LE 25/7 | 130/180 | 123 | 145 | 1 1/2″ | cast iron/ brass |
| LE 32/7 | 180 | 123 | 145 | 2″ | cast iron/ brass |
| LE 15/8 | 180 | 127 | 159 | 1″ | cast iron |
| LE 25/8 | 180 | 134.5 | 158 | 1 1/2″ | cast iron/ brass |
| LE 32/8 | 180 | 137 | 172 | 2″ | cast iron/ brass |
| LE 20/12 | 180 | 150 | 152 | 1″ | cast iron/ brass |
| LE 25/12 | 180 | 150 | 160 | 1 1/2″ | cast iron |
| LE 25/15 | 180 | 149 | 160 | 1 1/2″ | cast iron/ brass |
Performance Curve
