B 9 Subject to change without prior notice 114 December 2021 Feature Nominal diameter DN10 – DN150 DN13,5 – DN114,3 DN1/2“ – DN4“ Operating pressure (-10 °C up to +140 °C) max 25 bar: DN10 – 40, DN1/2“ – 1,5“, DN13,5 – 33,7 max 16 bar: DN50 – 100, DN2“ – 4“, DN42,4 – 88,9 max.10 bar: DN125 – 150, DN114,3 If elastomer gaskets and suitable clamping rings are used. Flanges Specifications DIN 11853-1 (Welding end short) DIN 11864-1 (Welding end long) Material 1.4301, 1.4307, 1.4404 AISI 304, AISI 304L, 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: no application H2, HE2: no application H3, HE3: Ra<0,8µm / Ra<1,0µm (DIN 11853-2, DIN 11864-2) H4, HE4: Ra<0,4µm / Ra<0,8µm (DIN 11864-2) H5, HE5: Ra<0,25µm / Ra<0,8µm (DIN 11864-2) (E = Inner surface electropolished) Other surfaces available on request. Certificates Inspection 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 Hexagon screws and Hexagon nut Specifications Hexagon screws DIN EN ISO 4017 (old DIN 933) Hexagon nut DIN EN ISO 4032 (old DIN 934) Material A2 (Stainless steel) Thread M8 bis M12
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