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1. Scope 1.1 General This Standard covers steel valves primarily intended for use in oil or gas pipeline systems. The following types of valves are covered: (a) gate valves; (b) plug valves; (c) ball valves; and (d) check valves. 1.2 Size, Nominal Pressure Class, and Category 1.2.1 Size This Standard covers valves in sizes from NPS 2 to NPS 60, inclusive. (Refer to Appendix…

1. SCOPe 1.1 This standard applies to polyester/cotton twill fabric with a durable press finish suitable for use in work shirts. 1.2 The testing and evaluation of a product against this standard may require the use of materials and/or equipment that could be hazardous. This document does not purport to address all the safety aspects associated…

1. Scope 1.1 This Standard covers cross-linked polyethylene pressure tubing systems. Components are made in one standard dimension ratio (SDR 9) and are intended for use in potable-water distribution systems at a maximum working temperature of 82°C and 690 kPa (100 psi). Note: Pressure rating for water at 23°C and 93°C is given in Appendix A. 1.2 The components covered by this Standard…

This National Standard of Canada is equivalent to International Standard ISO 105-A02:1993. 1 Scope This part of ISO 105 describes the grey scale for determining changes in colour of textiles in colour fastness tests, and its use. A precise colorimetric specification of the scale is given as a permanent record against which newly prepared working standards and standards that may have changed…

This National Standard of Canada is equivalent to International Standard ISO 105-A03:1993. 1 Scope This part of ISO 105 describes the grey scale for determining staining of adjacent fabrics in colour fastness tests, and its use. A precise colorimetric specification of the scale is given as a permanent record against which newly prepared working standards and standards that may have changed…

1. Scope 1.1 This Standard applies to signs intended for use in the workplace for the purpose of communicating a regulatory, warning or informational message with the emphasis on safety and/or health. It describes requirements for the design of signs and includes recommendations for their selection and placement. 1.2 This Standard also includes requirements for signs that are not…

1. Scope 1.1 This Standard covers requirements for establishing and maintaining the certification of welding inspection organizations. These requirements apply to each welding inspection centre seeking certification. 1.2 This Standard provides for organizations to be certified for the inspection of one or more product categories and for the use of one or more inspection methods. 1…

1. Scope 1.1 General This Standard provides requirements for the design, manufacture, construction, modification, operation, inspection, testing, and maintenance of passenger ropeways. The requirements of this Standard are adequate under conditions normally encountered in the industry. Requirements for abnormal or unusual conditions are not specifically provided for, nor are all…

1. Scope 1.1 This standard appies to an emulsion filler for interior and exterior use on rough surfaces such as concrete, stucco, and cinder and concrete blocks before topcoating. 1.2 The filler complying with this standard is intended for filling depressions and small cracks on new and painted porous surfaces that have been properly prepared. This…

This National Standard of Canada is equivalent to International Standard ISO/IEC 12119:1994. 1 Scope This International Standard is applicable to software packages. Examples are text processors, spreadsheets, data base programs, graphics packages, programs for technical or scientific functions, and utility programs. It establishes - requirements for software packages (…