1 replacement option found

Existing pump - Circulation

Brand Older Wilo
Product name IL 250/480-160/4
Item no. 2088477
Overall length 1200 mm
Mains connection 3x400 V
Pipe Connection DN 250 PN10
Nominal power P2 160 kW

Replacement pump - Conventional Exchange sheet

Product name IL 250/480-160/4
Item no. 2120860
MEI ≥ 0,4
IE 3
Overall length 1200 mm
Mains connection 3x400 V
Pipe Connection DN 250 PN16
Rated Current 280 A
Fluid temperature range -20 - +140 °C

Comment

Fits without any modification of piping.
If you are pumping chilled water media or special material requirements, please contact Wilo Technical Inside Sales. Replacement pumps designed for glycolin-infused water (max. 50%) have the -S1 extension and a different part number than standard seal pumps. Always consult Wilo when pumping media other than water. 

Product information
IL 250/480-160/4

IL 250/480-160/4
Item no. : 2120860

Your advantages
  • Reduced life cycle costs thanks to optimized efficiency
  • Standard condensate drainage holes in the motor housings
  • Can be used flexibly in air-conditioning and cooling systems, with application benefits due to direct draining of condensate via optimised lantern design (patented)
  • High standard of corrosion protection thanks to cataphoretic coating
  • High worldwide availability of standard motors (according to Wilo specifications) and standard mechanical seals
Construction
Glanded pump in in-line design with flange connection.

Application
Pumping of heating water (acc. to VDI 2035), cold water and water/glycol mixtures without abrasive substances in heating, cold water and cooling systems.

Scope of delivery
  • Pump
  • Installation and operating instructions
Technical data
  • Permissible temperature range -20 °C to +140 °C
  • Mains connection 3~400 V, 50 Hz (others on request)
  • Protection class IP 55
  • Nominal diameter DN 32 to DN 250
  • Max. operating pressure 16 bar (25 bar on request)
Materials
  • Pump housing and lantern: Standard: EN-GJL-250; optionally spheroidal cast iron EN-GJS-400-18-LT
  • Impeller: Standard: EN-GJL-200; special version: Bronze CuSn 10
  • Shaft: 1.4122
  • Mechanical seal: AQEGG; other mechanical seals on request
Description/construction
Single-stage, low-pressure centrifugal pump in in-line design with:
  • Mechanical seal
  • Flange connection with pressure measuring connection R 1/8
  • Lantern
  • Coupling
  • IEC standard motor