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Annex – continued

We hereby declare that the equipment NRGS 16-1 and NRGS 16-1S conform to

the following Euopean guidelines:

■

LV guideline 73/23/EWG version 93/68/EWG

■

EMC guideline 89/336/EWG version 93/68/EWG

which are based on the following harmonised standards:

■

LV standard EN 60947-5-1: 1991

■

EMC standard EN 50 081-2, EN 50 082-2

This declaration is no longer valid if modifications are made to the equipment without

consultation with us.

Flange PN 40, DN 50 (2"), DIN 2527

Flange PN 40, DN 100 (4"), DIN 2527

For the approval of the boiler standpipe with connecting flange the relevant

regulations must be considered.

Vent hole

High water (HW)

Electrode rod d = 5 mm

Protection tube DN 80

Protection tube DN 100

Electrode distance

≥ 14 mm

Electrode distance

≥ 40 mm

Low water (LW)

Reducer K-88.9 x 3.2-42.4 x 2.6 W to DIN 2616, part 2

Reducer K-114.3 x 3.6-48.3 x 2.9 W to DIN 2616, part 2

Legend

Declaration of conformity

Bremen, 28th April 1997

GESTRA GmbH

Dr. Anno Krautwald

Dr. Christian Politt

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