Cylinder valve outlets for gases and gas mixtures — Selection and dimensioning
Establishes practical criteria for determining valve outlet connections for gas cylinders of a capacity not greater than 150 l. Applies particullary to countries having neither standards nor regulations and to new gases developed for industrial use. I does not apply to connections used for cryogenic gas groups; annex B deals with connections; double-faucet non-interchangeable connections are…
PE or PP Plastic Smooth Inside Wall Corrugated Pipes and Fittings for Rain
Water and Soil Drainage
1 PURPOSE AND SCOPe
The purpose of this standard is to establish requirements for characteristics
and test methods relating to pipes and fittings made of polyolefine plastic
such as polyethylene (PE) and polypropylene (PP) used for rain water and soil
drainage.
This standard applies to semi-rigid, dualwall pipes, both perforated and
non-perforated, 75 mm in diameter or greater. Their…
Telecontrol equipment and systems. Part 5: Transmission protocols - Section One: Transmission frame ...
Covers asynchronous data transmission with half duplex and duplex link protocols operating with window size one for message transfers.
Specifies the basic requirements for services to be provided by the link plus physical layers, for telecontrol applications. In particular it specifies standards on coding, formatting and synchronizing data frames of variable and filed lengths which meet specified…
1 Scope
O132.2.0
1.1 This Standard provides quality, dimension, and terminology criteria for the principal types, sizes, and constructions of wood flush doors. Requirements are given for wood veneer, plywood, high pressure decorative laminate, hardboard, and composition faces; adhesives; core constructions; moisture content; dimensions and tolerances; and face panel grading descriptions…
Pure Tone Air Conduction Threshold Audiometry for Hearing Conservation
1. Scope
1.1 This Standard specifies procedures and requirements for Pure Tone Air Conduction Threshold Audiometry, without masking, used in hearing conservation programs. It is especially applicable to individuals whose hearing sensitivity might be adverse ly affected by occupational noise exposure. The procedures in this Standard are to be used to identify individuals who are at risk…
This National Standard of Canada is equivalent to American National Standard
ANSI/BHMA A156.4-1986.
1.1
This standard contains requirements for door closers surface mounted, concealed
in the door, overhead concealed and concealed in the floor. Also included are
pivots and thresholds for floor closers. Criteria for conformance include
cycle, operational, closing force and finish tests.…
This National Standard of Canada is equivalent to American National Standard
ANSI/BHMA A156.6-1986.
1.1
This Standard contains requirements for door protection plates, door edgings,
push plates, door pulls, push bars and pull bars. Included are strength and
finish tests, and dimensional and material criteria.
1.2
Tests described in this Standard are performed under laboratory…