B 3 Subject to change without prior notice 42 December 2021 Feature Nominal diameter DN63 – DN250 Operating pressure Stainless steel flanges with elastomer gasket: 10-8 mbar up to 1,5 bar overpressure Stainless steel flanges with metal gasket: 10-9 mbar up to 1,5 bar overpressure Flanges Material 1.4301, 1.4305, AISI 304 On request: 1.4404, AISI 316L Raw material Bar: DIN EN 10088-3 Tube: DIN EN ISO 1127 Certificates Declaration of compliance with the order DIN EN 10204-2.1 Other certificates on request Claw clamps and claw grips Material Stainless steel Tube dimensions DN Quantity 63 4xM10 100 8xM10 160 8xM10 200 12xM10 250 12xM10 320 12xM12 400 16xM12 500 16xM12 630 20xM12 To avoid that the thread freeze they have to be greased regularly depending on how often the pipe connection will be opened. Locking torque: DN 63 – DN250: 12 – 15 Nm DN320 – DN630: 20 – 26 Nm Surface finish Blank Gaskets Material Elastomer: NBR, EPDM, FKM Aluminium: not specified in DIN 28404 and ISO 1609 Temperature range NBR: -30 up to +100 °C EPDM: -35 up to +140 °C FKM: -20 up to +200 °C Aluminium: -196 up to +150 °C
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