ALLWEILER SERIES NI0 pages

DEFENSE ALLWEILER SERIES Nl

ALLWEILER SERIES Nl

VOLUTE CASING CENTRIFUGAL PUMPS OF INLINE DESIGN

DESIGN AND SERIES CONSTRUCTION

Volute casing centrifugal pump, single entry, single or two-stage, of inline

design. Pump size according to DIN EN 733. Shaft sealing by maintenance-

free mechanical seal in unbalanced design (main dimensions acc. to DIN

EN 12 756, design K, shape U).

Stub and motor shaft are rigidly coupled together. Shaft bearing in the

motor by means of grease-lubricated groove ball bearings. The mating

dimensions of the two-stage sizes 2/25-200/01, 2/32-200/01, 2/40-250/01,

2/50-250/01, except for dimensions f and I depending upon the driving

motors,correspond to the single-stage designs.

Horizontal or vertical installation, motor arrangement downwards is not

admissible.

EXPLOSION PROOF (ATEX) VERSIONS AVAILABLE

The pump fulfils the requirements according to EC Explosion Protection

Directive 94/9EG (ATEX 100a) for equipment and equipment group II,

category 2 G. Categorization into temperature classes according to EN

13463-1 depends on the temperature of the pumped medium. The max.

permissible temperature of the pumped medium for the respective

temperature classes are shown in the specific order data sheet.

PERFORMANCE DATA

Q

H

Pd (diameter 16,24,30)

Pd (diameter 40)

t

P

s

p

up to 380 m7h

up to 145 m

up to 16 bar

up to 10 bar

up to 140° C

1

0,25 up to 37 kW

25 up to 150

i Sea & Fresh Water

i Cooling & Heating Systems

i Circulation

i Supply & Transfer

iHVAC

i Fire

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Fluid Handling

REDEFINING WHAT'S POSSIBLE