High-strength structural bolting assemblies for preloading - System HRC. Bolt and nut assemblies with calibrated preload1 Scope This document specifies, together with EN 143991 and EN 143992, the requirements for assemblies of high strength structural bolts and nuts of system HRC suitable for preloaded joints, with hexagon head (large width across flats), cup head or countersunk head, thread sizes M12 to M36 and property class 10. 9 10. Bolting assemblies in accordance with this document have been designed to allow preloading of at least 0,7 fub As1) according to EN

to improve security aspects using a privacy by design approach

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The central heating and/or hot water system connected to a combined appliance is not within the scope of this standard and reference should be made to BS 5449 (see Note 6) and BS 5546 for this part of such an installation

chemical products

This European Standard classifies thermoplastic resin based wood adhesives for non-structural applications into durability classes D1 to D4 based on the dry and wet strengths of bond-lines measured under specified conditions after various conditioning treatments

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This British Standard covers fire safety publications and guidance from the following bodies: Arson Prevention Bureau

BS 4366 on the specification for industrial nitrogen is useful for:

BS EN 80000-14 is a European Standard that discusses telebiometrics related to human physiology

Typical examples of catheter mounts covered by this British Standard are shown in Figure 1

BS EN 60873-2 on inspection and routine testing for electrical and pneumatic analogue chart recorders  is useful for:

the terms and the manner used to quantify them should ideally be those described in a future IEC publication