DIN EN 4234:2015 pdf free.Aerospace series -Clamps, worm drive -Dimensions, masses;German and English version EN 4234:2015
1 Scope This European Standard specifies the characteristics of worm drive clamps designed for use with suitable rubber hoses to form joints in fluid system pipelines for aerospace applications. 2 Normative references The following documents， in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2424, Aerospace series – Marking of aerospace products EN 2465, Aerospace series -一Steel FE-PA3901 (X2CrNi18-9) 一Softened- 450 MPa≤Rm≤680 MPa – Bar for machining- 4 mm≤De≤100 mm EN 2516, Aerospace series一Passivation of corrosion resisting steels and decontamination of nickel base alloys EN 3077, Aerospace series – Clamps worm drive – Technical specification 1) EN 3487, Aerospace series 一Steel FE-PA3601 (X6CrNiTi18-10) – Air melted – Softened – Bar for machining–aorD≤250mm-500MPa≤Rm≤700MPa EN 3488, Aerospace series 一Steel FE-PA3601 (X6CrNiTi18-10) – Air melted – Softened – Sheet and strip–a≤6mm-500MPa≤Rm≤700MPa EN 10088 (all parts), Stainless steels 3 Design The housing shall be firmly attached to the band. NOTE Clamps of form N are only equipped with a stamped band and undrilled, round-headed screw. 4 Required characteristics 4.1 Configuration – – Dimensions 一Masses The configuration shall correspond with Figure 1. Details of form not defined are at the manufacturer’s option. Dimensions shall correspond with Figure 1 and Table 1 to Table 3. Sharp edges are not permissible and the inner edges should be rounded or beaded.DIN EN 4234 pdf download.