Energy-efficient due to state-of-the-art pump hydraulics and the use of IE3 motors
Cataphoretic coating of all cast iron components ensures high resistance to corrosion and long service life
Universal use in diverse applications thanks to different impeller materials, several motor options as well as different mechanical seals
Easy installation due to standard pump support feet and optional supporting blocks
Easy maintenance and user-friendly design with optional “back pull-out” design and cartridge mechanical seal for large pump types

Design

Glanded pump in block design with flange connection

Application

For pumping heating water (in accordance with VDI 2035), water-glycol mixtures, cooling water and chilled water without abrasive substances in heating, chilled water and cooling water systems.

Technical data

Permissible temperature range of -20 °C to +140 °C
Mains connection 3~400 V, 50 Hz (others on request)
Protection class IP55
Nominal diameter DN 32 to DN 150
Max. operating pressure 16 bar (optionally 25 bar on request)

Materials

Pump housing and lantern: Standard: EN-GJL-250; optional: Spheroidal cast iron EN-GJS-400-18-LT (depending on type)
Impeller: Standard: EN-GJL-200; special version: Bronze CuSn 10 stainless steel 1.4408 (depending on type)
Shaft: 1.4122
Mechanical seal: AQEGG; other mechanical seals on request

Construction

Single-stage low-pressure centrifugal pump in monobloc design, with axial suction port and radially arranged pressure port with

Mechanical seal
Flange connection with pressure measuring connection R 1/8
Lantern
Coupling
IEC standard motor

Scope of delivery

Pump
Installation and operating instructions

Options

...-L1 variant with bronze impeller (at additional charge)
…-L4 variant with stainless steel impeller (at additional charge)
...-H1 variant with housing made of spheroidal cast iron (at additional charge)
Variant ...-P6 with "back pull-out" design and cartridge mechanical seal (subject to surcharge)
Other voltages and frequencies as well as ATEX approval on request

Accessories

Bases (pump housing and motor) for installation on a base
PTC thermistor sensor, PTC thermistor tripping relay
Special motors
Special mechanical seals
SC-HVAC, CC-HVAC control systems and switchgears

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