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Specification for safety requirements and testing of safety shut-off devices for combustion plants using liquid fuels. Original standard BS EN 264-1991 (1999) in PDF full version. Additional info + preview on request

Document status: Withdrawn

Aerospace series. Lockrings for adaptors, threaded, with lockring. Dimensions. Original standard BS EN 2645-2005 in PDF full version. Additional info + preview on request

Document status: Active

Water quality. Detection and enumeration of the spores of sulfite-reducing anaerobes (Clostridia) - Method by enrichment in a liquid medium. Original standard BS EN 26461-1-1993 (2008) BS 6068-4.8-1993, ISO 6461-1-1986 in PDF full version. Additional info + preview on request

Document status: Active

Water quality. Detection and enumeration of the spores of sulfite-reducing anaerobes (Clostridia) - Method by membrane filtration. Original standard BS EN 26461-2-1993 (1999) BS 6068-4.9-1993, ISO 6461-2-1986 in PDF full version. Additional info + preview on request

Document status: Active

Aerospace series. Nuts, hexagonal, self-locking, ball seat, in alloy steel, cadmium plated, MoS₂ lubricated. Classification: 900 MPa (at ambient temperature) / 235°C. Original standard BS EN 2647-2006 in PDF full version. Additional info + preview on request

Document status: Active

Aerospace series. Washers, concave, in alloy steel, cadmium plated. Original standard BS EN 2648-2013 in PDF full version. Additional info + preview on request

Document status: Active