B 7 Subject to change without prior notice 96 December 2021 Feature Nominal diameter DN25 – DN101,6 Operating pressure max. 6 bar If elastomer gaskets are used. Ferrules Specification Similar to SMS 1146 (Threaded ferrule) Similar to SMS 1147 (Liner) Remark: welding ends other dimensions 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 inside: Ra<0,8 µm outside: Ra<1,6 µm 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 Nut Specification SMS 1148 Material 1.4301, 1.4307 AISI 304, AISI 304L Gaskets Specification SMS 1149 Material NBR, EPDM, FKM PTFE (not specified in SMS 1148) Temperature range NBR: -30 up to +100 °C EPDM: -35 up to +140 °C FKM: -20 up to +200 °C PTFE: -200 up to +200 °C Certificates FDA 21 CFR § 177.2600 FDA 21 CFR § 177.1550 (PTFE) VO 1935-2004/EG
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