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Pumps for heating

The heating pumps are suitable for under pressure heating circuits, cold water and cooling circuits, water supply, pressure boosting and in general for any industry where it is needed to pump clear liquids without abrasive particles in suspension and chemically neutral.

  • Pumps for heating with dry rotor and in-line execution L and LRS ranges with spiral housing and very robust and built in cast iron.

L

In-line electro-pumps with dry motor for hot water circul
ation


APPLICATIONS
  • Recirculating close-coupled electropumps for hot and cold water.
  • Designed for installations of heating, cooling circuits and sanitary hot water.
TECHNICAL CHARACTERISTICS
  • Type: In-line dry motor
  • Motor: Three-phase
  • Flow (m3/h): 52 - 6
  • Head (m): 1 - 14
  • IP: 54
  • Isolation: F
  • Cooling: External ventilation
  • Temp. max. (ºC): 110
  • Supplied with its corresponding counterflanges.
  • For higher performance, consult our technical department.
MATERIALS
  • Pump body: Cast iron
  • Union body: Cast iron
  • Impeller: Cast iron
  • Shaft: Stainless steel
  • Mechanical seal: Ceramic/Graphite/NBR
  • O'rings: NBR

LRS

In-line electro-pumps with dry motor for hot water circul
ation


APPLICATIONS
  • Simple (LRS) and double (LRS-D) vertical centrifugal electro pumps, with dry motor, in-line execution, single-impeller, volute casing and non-self-priming.
  • Suitable in pressure heating circuits, cold water and cooling circuits, water supply, pressure increase and sanitary hot water supply loops.
  • Generally, they are valid for all the industries that need to pump clear liquids, without suspended abrassive particles and chemically neutral.
TECHNICAL CHARACTERISTICS
  • Type: In-line dry motor
  • Flow (m3/h): 6 - 900
  • Head (m): 2 - 95
  • Max. pressure: 16 BAR
  • rpm: 1450 - 2900
  • IP: 55
  • Isolation: F
  • Cooling: External ventilation
  • Temp. (ºC): -25 / +120
  • Flanges: DN40 - DN200
  • Closed motor assembled with flange.
  • Single-phase 230 V supply voltage up to 2,2 kW, three-phase 230/400 V up to 4 kW, 400/690 V from 4kW
  • The suction and discharge counterflanges and their assembly accessories are provided separately.
  • Upon request they can be provided with different supply voltage and frequency to the specified ones (60 Hz)
MATERIALS
  • Pump body: Cast iron.
  • Motor cover: Aluminium
  • Impeller: Stainless steel (DN40-65) Cast iron (DN80-200)
  • Shaft: Stainless steel
  • Mechanical seal: Silicon/Carbon/EPDM
  • O'ring: EPDM


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