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The flow funnel, a streamlined inlet and outlet connection for heating apparatus, is made of seamless tubes. The half-pipe coil connection corresponds to the design to DIN 28127 in terms of its dimensions and scope of application, and the flow funnel ensures a streamlined, uniform temperature control without turbulences.

Dimensions (PDF)

Flow funnels
Version Weld seam preparation at the round tube connection screwed on according to DIN 2559 Form 22
Half-pipe connection whetted according to DIN 2559 form 22
At weld-on connection inner chamfer approx. 45° whetted
Materials Steel grade P235GH according to EN 10216-2
Stainless steel
Material number 1.4404, 1.4541, 1.4571 according to EN 10216-5
Other materials by arrangement
Heat Treatment P235GH
Normalized, sandblasted
1.4404, 1.4541, 1.4571
Solution annealed, pickled, passivated
Certification Acceptance test certificate 3.1 according to EN 10204 according to AD2000-W 4 (P235GH) or
AD2000-W 2 (1.4404, 1.4541 and 1.4571) for the insertion tube
Factory certificate 2.1 according to EN 10204 for the end product
Identification Permanently by means of dot matrix printer or electrolytically with manufacturer's mark, material designation, melt number

Stefan Becker

E-Mail: s.becker[at]

Karl Theis GmbH
Breite Straße 11 | 57076 Siegen

Telephone: +49 (0) 271 / 7 72 85 - 28
Telefax: +49 (0) 271 / 7 72 85 - 99

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