Project Description

LEC/LEF Commercial Circulator Pump

Consists of single- and three-speed circulator pumps designed for domestic and commercial heating 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 air conditioning
  • Commercial heating
  • Commercial hot water recirculation
  • District cooling
  • District heating
  • Domestic heating
  • Cooling
  • Industrial boiler systems
  • Industrial heating

Supply voltage:
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; 3 x 380V – 50Hz
30 m3/h
18 m
+2°C to +110°C (TF 110)
1.0 MPa/10 bar
300-1300 W
0°C to +40°C
IP 44
F

» Quick electrical connection with spring clips
» Cast iron housing with cataphoretic (KTL) coating protects against    corrosion due to condensation formation
» Based on 500,000 times test in extreme conditions
» Suitable for commercial applications

» 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

Technical Data

Type Max. power Max. volume flow
Qmax
Max. delivery head
Hmax
Thread / Flange Threaded pipe
union
Rated
pressure
Overall
length
Mains
connection
Gross
weight
LEC25/9 300 W 7 m³/h 9 m G 1 1/2″ G 1″ 10 bar 220 mm 1~230V – 50Hz 6.8 kg
LEC32/9 300 W 9 m³/h 9 m G 2″ G 1 1/4″ 10 bar 220 mm 1~230V – 50Hz 8.1 kg
LEC25/12 500 W 9 m³/h 12 m G 1 1/2″ G 1″ 10 bar 180/220 mm 1~230V – 50Hz 8.5 kg
LEC32/12 500 W 10 m³/h 12 m G 2″ G 1 1/4″ 10 bar 220 mm 1~230V – 50Hz 9.5 kg
LEC25/16 700 W 12 m³/h 16 m G 1 1/2″ G 1″ 10 bar 230 mm 1~230V – 50Hz 13.6 kg
LEC25/20 1000 W 15 m³/h 20 m G 1 1/2″ G 1″ 10 bar 230 mm 1~230V – 50Hz 14.7 kg
LEF40/12 700 W 12 m³/h 12 m DN40 10 bar 250 mm 1~230V – 50Hz
3~380V – 50Hz
18.4 kg
LEF40/16 1000 W 15 m³/h 16 m DN40 10 bar 250 mm 1~230V – 50Hz
3~380V – 50Hz
20 kg
LEF50/12 1000 W 26 m³/h 12 m DN50 10 bar 280 mm 1~230V – 50Hz
3~380V – 50Hz
22.4 kg
LEF50/16 1300 W 25 m³/h 16 m DN50 10 bar 280 mm 1~230V – 50Hz
3~380V – 50Hz
24.4 kg
LEF50/20 1300 W 21 m³/h 20 m DN50 10 bar 280 mm 1~230V – 50Hz
3~380V – 50Hz
24.6 kg
LEF65/5 700 W 24 m³/h 5 m DN65 10 bar 280 mm 1~230V – 50Hz
3~380V – 50Hz
21.5kg
LEF65/8 700 W 31 m³/h 8 m DN65 10 bar 280 mm 1~230V – 50Hz
3~380V – 50Hz
21.7kg
LEF65/10 1000 W 35 m³/h 10 m DN65 10 bar 300 mm 1~230V – 50Hz
3~380V – 50Hz
24.7kg
LEF65/12 1300 W 43 m³/h 12 m DN65 10 bar 300 mm 1~230V – 50Hz
3~380V – 50Hz
26.5 kg

Measurement

Type H1
(mm)
H2
(mm)
H3
(mm)
L1
(mm)
L2
(mm)
B1
(mm)
B2
(mm)
B3
(mm)
M
(mm)
LEC25/9 44 165 209 220 110 68 99 70 M8
LEC32/9 49 165 214 220 110 68 99 70 M8
LEC25/12 44 185 229 180/220 110 68 99 70 M8
LEC32/12 49 185 234 220 110 68 99 70 M8
LEC25/16 54 232 286 230 115 80 154 80 M8
LEC25/20 54 232 286 230 115 80 154 80 M8

Type H1
(mm)
H2
(mm)
H3
(mm)
L1
(mm)
L2
(mm)
B1
(mm)
B2
(mm)
B3
(mm)
B4
(mm)
D1
(mm)
D2
(mm)
D3
(mm)
D4
(mm)
D5
(mm)
D6
(mm)
M
(mm)
LEF40/12 65 232 297 250 125 80 154 80 60 40 17.5 13.5 110 100 150 M10
LEF40/16 65 232 297 250 125 80 154 80 60 40 17.5 13.5 110 100 150 M10
LEF50/12 72 232 304 280 140 88 154 90 72 50 17.5 13.5 125 110 165 M10
LEF50/16 72 257 329 280 140 88 154 90 72 50 17.5 13.5 125 110 165 M10
LEF50/20 72 257 329 280 140 88 154 90 72 50 17.5 13.5 125 110 165 M10
LEF65/5 78 232 310 280 140 88 154 90 76 65 17.5 13.5 145 130 180 M10
LEF65/8 78 232 310 280 140 88 154 90 76 65 17.5 13.5 145 130 180 M10
LEF65/10 78 232 310 300 150 93 154 90 76 65 17.5 13.5 145 130 185 M10
LEF65/12 78 257 335 300 150 93 154 90 76 65 17.5 13.5 145 130 185 M10