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Boller GmbH & Co. KG
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  5. Model DF1 - Fittings and Expansion ...

Model DF1 -Fittings and Expansion Pieces

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Design: to be used in installation conditions with a corresponding fixed point. Transition piece from flange connection to smooth pipe end (connection pipe according to DIN 17457/1127). Smooth flanges similar to DIN 2576 red. Blade thickness (alternatively full blade thickness). drilled according to PN 10/16*. Weld neck flanges DIN 2632-35. Flanges according to EN 1092-1:2001 (D) according to Type 01, 02, 11.

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Welded connections:
according to DIN EN ISO 5817 C, welding processes are qualified according to DIN EN 288-3 / DIN EN ISO 15614-1 Welders are qualified according to DIN EN 287-1

Approvals/certificates:
Approved manufacturer according to AD2000 leaflet HP0, certification according to DIN EN ISO 3834-3

Material:
steel, stainless steel, duplex

Surface:
Steel: Resicoat (EKB), Rilsan, galvanized, ...
Stainless steel: dip pickled and passivated, glass bead blasted, ...

Seal:
made of age-resistant Perbunan
or optionally profile seal made of EPDM (for drinking water) with KTW approval