Heating, air-conditioning, cooling,
water supply, industrial process
Product Description
Single-stage low-pressure centrifugal
pump with axial suction, according to
ISO 5199, mounted on a baseplate
Pumping of heating water (in accordance
with VDI 2035), cold water
and water-glycol mixtures without
abrasive substances in heating, cold
water and cooling systems
Applications in municipal water
supply, irrigation, building services,
general industry, power stations, etc.
Volume flow Q max. 2,800 m3/h
Delivery head H max. 140 m
Fluid temperature -20°‹C to +120°‹C
(depending on type)
Mains connection 3~400 V, 50 Hz
Minimum efficiency index (MEI) . 0.4
Protection class IP 55
Nominal diameters: DN 150 to
DN 500 (depending on type)
Max. operating pressure: varies
according to type and application .
up to 16 bar
Single-stage horizontal spiral housing
pump with bearing bracket and
exchangeable casing wear rings (NLG
only) in process design
Shaft sealing with mechanical seals
in accordance with EN 12756 or
packing stuffing box
Spiral housing with cast pump bases
Greased grooved ball bearings for
bearing of pump shaft
Motors with efficiency class IE3
NLG:
Reduced life cycle costs through
optimised efficiency
Mechanical seal independent of the
direction of rotation
Interchangeable casing wear ring
Permanently lubricated, generously
dimensioned roller bearings
NPG:
Suitable for temperatures up to 140 °C
Back-pull-out version
Extension of the DIN EN 733 product
range
