BS-8521:2009 pdf free download - Specification for dual-tone multi-frequency (DTMF) signalling protocol for social alarm systems. 5 Communication 5.1 Session initiation Following completion of call set-up signalling, the local unit and controller shall send an enquiry tone...
ASME B16.3:2016 pdf free download – Malleable Iron Threaded Fittings
ASME B16.3:2016 pdf free download - Malleable Iron Threaded Fittings 4.1 Nominal Pipe Size As applied in this Standard, the use of the phrase“nominal pipe size" or the designation NPS followedby a dimensionless number is for the...
BS-7079:2009 pdf free download – General introduction to standards for preparation of steel substrates before application of paints and related products
BS-7079:2009 pdf free download - General introduction to standards for preparation of steel substrates before application of paints and related products. 3.13 flame cleaning process by which a reducing flame is applied to a surface, followed by...
ASME B16.1:2015 pdf free download – Gray lron Pipe Flanges and Flanged Fittings
ASME B16.1:2015 pdf free download - Gray lron Pipe Flanges and Flanged Fittings 7.2 Facing (a) Classes 25 and 125 gray iron flanges and flangedfittings shall be flat faced (i.e.,without projection orraised face) and finished in accordance...
BS 559:2009 pdf free download – Specification for the design and construction of signs for publicity, decorative and general purposes
BS 559:2009 pdf free download - Specification for the design and construction of signs for publicity, decorative and general purposes. 3.1.5 portable sign small self-contained sign which is supplied as a complete unit and is intended to...
ASME B1.25:2019 pdf free download – Measurement Uncertainty Factors in the Calibration of Screw Thread Gages
ASME B1.25:2019 pdf free download - Measurement Uncertainty Factors in the Calibration of Screw Thread Gages lt is important to understand that there is no genericuncertainty for a given process.Two laboratories havingidentical principal equipment will have different...
BS 148:2009 pdf free download – Reclaimed mineral insulating oil for transformers and switchgear – Specification
BS 148:2009 pdf free download - Reclaimed mineral insulating oil for transformers and switchgear - Specification. 3.9 re-refined oil mineral insulating oil used in electrical equipment which has been subjected to extensive chemical and/or physical processing, similar...
ASME ANDE-1:2020 pdf free download – ASME Nondestructive Examination and Quality Control Central Qualificationand Certification Program
ASME ANDE-1:2020 pdf free download - ASME Nondestructive Examination and Quality Control Central Qualificationand Certification Program 1-1.1 Scope (a) This Standard includes both performance-basedand prescriptive requirements to be used for an ASMENondestructive Examination (NDE) and Quality Control(Qc>...
BS ISO 704:2009 pdf free download – Terminology work – Principles and methods
BS ISO 704:2009 pdf free download - Terminology work - Principles and methods. 5.5.2.2 Generic relations 5.5.2.2.1 Generic relations and general concepts As mentioned in 5.4.2, the characteristics associated with a concept constitute its intension, and all...
ASME A112.1002:2020 pdf free download – Anti-siphon fill valves for water closettanks
ASME A112.1002:2020 pdf free download - Anti-siphon fill valves for water closettanks 4.6.2.2.1 Test specimen installation set-uplnstallation set-up shall be conducted as follows: a)For a device without a Cl mark, determine the critical level location according to...