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NOS - NOLH - NOES

Water supply : Commercial
NOS - NOLH - NOES
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STANDARDISED HORIZONTAL PUMPS

For the circulation of abrasive residue-free heating, cooling or iced water in urban systems, collective residential and tertiary buildings.

TECHNICAL SPECIFICATIONS

Flow rate of up to : 1,800 m3/h
Manometric head of up to: : 150 mWC
Max. operating pressure on discharge: : 16 bar
Max. ambient temperature : 40°C
Fluid temperature limit (NOS) : -20 to +170°C
DN round-flanged ports (NOLH) : DN 32 to DN 150
Fluid temperature limit (NOES) : -20 to +120°C
DN round-flanged ports (NOES) : DN 150 to DN 300
Fluid temperature limit (NOLH) : -40 to +170°C
DN round-flanged ports (NOLH) : DN 32 to DN 300
Mains supply : 3~230 V (<4 kW), 3~400 V, 50 Hz
P2 power : Up to 710 kW
Simple configuration : Possibility of back-up or cascade mode
Regulation mode : Fixed speed

APPLICATIONS

For the circulation of abrasive residue-free heating, cooling or iced water in urban systems, collective residential and tertiary buildings.

BENEFTIS

  • Energy savings
    Compatible with external speed variation
  • Easy installation
    Cast-iron frame as standard for a more rigid assembly
  • Easy maintenance
    Hydraulic performance and functional connection sizes conform to EN 733 standard
    Spacer option allows for removal of motor without unfastening the pump housing or moving the motor
    Completely maintenance-free, standardised mechanical seal to +120°C max. NOES: braided
      version -20°C to +105°C
    Bearings lubricated for life
  • Pump protection
    Reinforced one-piece bearings and shaft, ISO 5199
    IP 55 protection class for the electrical part of the motor
    NOLH : 316 stainless steel or bronze hydraulic version (25/35/45 bearings)
  • Acoustic comfort
    Quiet operation

DESIGN

  • Motor
    IE2 motor featuring asynchronous technology (IE3 on demand), standardised according to IEC and DIN/VDE 0530 IE2
  • Hydraulics
    Standardised horizontal single-stage pump
    EN 733 (DIN 24255) standardised cast-iron housing, mounted on a rigid frame or bare shaft
    Cast-iron or bronze 2D hydraulics. Impeller diameter can be adapted to optimise the duty point
    Reinforced one-piece bearings and shaft, ISO 5199

Documents

 

ACCESSORIES

  • Differential pressure kit
  • PN 10/16 round, solder-on counter-flanges
  • Shut-off valves
  • YN 1200, CC-HVAC and CCE-HVAC monitoring and control box
  • Vibration damping sleeves
  • Non-return valves
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