Project Description

LEF Commercial Circulator Pump

Pump-LEF

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

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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
LE-RS25/16 500 W 5.5 m³/h 16 m G 1 1/2″ G 1″ 10 bar 220 mm 1~230V – 50Hz 8.2 kg
LE-RS32/16 700 W 11 m³/h 16 m G 2″ G 1 1/4″ 10 bar 230 mm 1~230V – 50Hz
3~380V – 50Hz		 12 kg
LE-RS32/18 1000 W 12 m³/h 18 m G 2″ G 1 1/4″ 10 bar 230 mm 1~230V – 50Hz
3~380V – 50Hz		 13 kg
LEC-RS25/12 500 W 9.8 m³/h 12 m G 1 1/2″ G 1″ 10 bar 220 mm 1~230V – 50Hz 7.5 kg
LEC-RS32/12 500 W 10.9 m³/h 12 m G 2″ G 1 1/4″ 10 bar 220 mm 1~230V – 50Hz 8.4 kg
LEC-RS25/16 700 W 13 m³/h 16 m G 1 1/2″ G 1″ 10 bar 230 mm 1~230V – 50Hz 12.5 kg
LEC-RS25/20 1000 W 16 m³/h 20 m G 1 1/2″ G 1″ 10 bar 230 mm 1~230V – 50Hz 13.4 kg
LEF-RS40/9 500 W 14 m³/h 9 m DN40 G 2″ 10 bar 250 mm 1~230V – 50Hz 14.5 kg
LEF-RS40/12 700 W 14 m³/h 12 m DN40 G 2″ 10 bar 250 mm 1~230V – 50Hz
3~380V – 50Hz		 18 kg
LEF-RS40/16 1000 W 15 m³/h 16 m DN40 G 2″ 10 bar 250 mm 1~230V – 50Hz
3~380V – 50Hz		 18 kg
LEF-RS40/18 1300 W 15 m³/h 18 m DN40 G 2″ 10 bar 250 mm 1~230V – 50Hz
3~380V – 50Hz		 18.5 kg
LEF-RS50/9 700 W 18 m³/h 9 m DN50 G 2″ 10 bar 280 mm 1~230V – 50Hz
3~380V – 50Hz		 19 kg
LEF-RS50/12 1000 W 22 m³/h 12 m DN50 G 2″ 10 bar 280 mm 1~230V – 50Hz
3~380V – 50Hz		 20 kg
LEF-RS50/16 1300 W 23 m³/h 16 m DN50 G 2″ 10 bar 280 mm 1~230V – 50Hz
3~380V – 50Hz		 21 kg
LEF-RS65/9 1000 W 30 m³/h 9 m DN65 G 2 1/2″ 10 bar 300 mm 1~230V – 50Hz
3~380V – 50Hz		 23 kg
LEF-RS65/12 1300 W 30 m³/h 12 m DN65 G 2 1/2″ 10 bar 300 mm 1~230V – 50Hz
3~380V – 50Hz		 24 kg
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Measurement

Type H
(mm)		 H1
(mm)		 L
(mm)		 G
(inch)		 B
(mm)		 D1
(mm)		 D2
(mm)		 D3
(mm)		 D4
(mm)
LEF-XP25/12 202 163 200 1 1/2″ 165 – – – –
LEF-XP25/16 213 171 220 1 1/2″ 173 – – – –
LEF-XP32/12 245 200 220 2″ 200 – – – –
LEF-XP32/16 255 220 230 2″ 215 – – – –
LEF-XP32/18 255 220 230 2″ 215 – – – –
LEF-XP40/9 255 200 250 DN40 200 40 14 100 130
LEF-XP40/12 265 210 250 DN40 215 40 14 100 130
LEF-XP40/16 265 210 250 DN40 215 40 14 100 130
LEF-XP40/18 265 220 250 DN40 215 40 14 100 130
LEF-XP50/9 280 220 280 DN50 215 50 14 110 140
LEF-XP50/12 280 220 280 DN50 215 50 14 110 140
LEF-XP50/16 280 220 280 DN50 215 50 14 110 140
LEF-XP65/9 290 220 300 DN65 215 65 14 130 160
LEF-XP65/12 290 220 300 DN65 215 65 14 130 160

Performance Curve

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