Features/Product Advantages

Optimized efficiency reduces life-cycle costs
Motor housing features standard condensate drainage holes
Flexible use in air conditioning and cooling systems; offers application advantages through an optimized bracket design (patented) that allows for direct condensate drainage
High corrosion resistance thanks to electrophoretic coating
High global availability of standard motors (compliant with Wilo specifications) and standard mechanical seals

Design

In-line dry-rotor pump with flange connections

Applications

Pumping of heating water (in accordance with VDI 2035), cold water, and water/glycol mixtures—free of abrasive substances—in heating, cooling, and chilled water systems.

Model Code

Technical Data

Permissible temperature range: -20 °C to +140 °C
Mains connection: 3~400 V, 50 Hz (other options available on request)
Protection class: IP55
Nominal diameter: DN 32 to DN 250
Max. operating pressure: 16 bar (25 bar available on request)

Materials

Pump housing and lantern: Standard: EN-GJL-250; Optional: Ductile 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 available on request

Type

Single-stage low-pressure centrifugal pump in in-line design, equipped with

Mechanical seal
Flanged connection with pressure measurement connection R 1/8
Lantern
Coupling
IEC standard motor

Scope of delivery

Pump
Installation and operating instructions

Options

...-L1 variant with bronze impeller (surcharge applies)
...-H1 variant with housing made of ductile iron (surcharge applies)
...-P4 variant for max. operating pressure of 25 bar (see Wilo price list)
Other voltages and frequencies as well as ATEX-certified models available on request

Accessories

Installation brackets for base mounting
PTC thermistor sensors, PTC resistor tripping relays
Special motors
Special mechanical seals
SC-HVAC, CC-HVAC control systems and control units