B 5 Subject to change without prior notice 62 December 2021 Feature Nominal diameter DN10 – DN300 DN21,3 – DN219,1 DN1“ – DN12“ Remark: Clamp ferrules of difference size, but with same flange outer diameter, can be con-nected, because the diameter of the groove for the gasket to center the flanges is always the same. But it has to be considered that at the inner diameter will be a step that may interfere the flow of the fluid. Operating pressure (-10 °C up to +140 °C) max. 25 bar: DN10 – 40, DN1“ – 1,5“, DN21,3 – 42,4 max. 16 bar: DN50 – 65, DN2“ – 3“, DN48,3 – 76,1 max. 10 bar: DN80 – 200, DN4“ – 6“, DN88,9 – 219,1 If elastomer gaskets and suitable clamping rings are used. Flanges Material 1.4301, 1.4404, 1.4435 AISI 304, AISI 316L Raw material Bar: DIN EN 10088-3, DIN EN 10272 Forging: DIN EN 10022-5 Surface finish Hygienic class (Surface raughness inside/outside) H1, HE1: Ra<1,6µm / Ra<1,6µm (no application) H2, HE2: Ra<0,8µm / Ra<1,6µm (Standard) H3, HE3: Ra<0,8µm / Ra<1,0µm H4, HE4: Ra<0,4µm / Ra<0,8µm H5, HE5: Ra<0,25µm / Ra<0,8µm (E = inner surface electropolished) Other surfaces available on request Certificates AInspection certificate DIN EN 10204-3.1 raw material Inspection certificate DIN EN 10204-3.1/AD2000-W2 raw material with certificate for transfer of identification Test report DIN EN 10204-2.2 e.g. surface roughness, material, ferrit portion Declaration of compliance with the order DIN EN 10204-2.1 Other certificates on request Clamping rings Material AISI 304 AISI 316 Surface finish Blank Certificates Certificate TÜV Type-test compessive strength
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