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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. (See Table A.1.) 1.2.2 Nominal pressure class This…

1.1 This Standard applies to newly produced, large automatic storage water heaters having input ratings above 75,000 Btu/hr (21 980 W), instantaneous water heaters, circulating water heaters including booster water heaters (see Clause 3, Definitions), hereinafter referred to as water heaters or appliances, constructed entirely of new, unused parts and materials: a) for use with natural gas; b…

1.1 General This standard sets out minimum requirements to be used when selecting uniformed security officers and supervisors to protect people, property and information. It provides a “Security Officers Basic (Pre-assignment) Training Program” (see Annex A), a “Security Officer Supervisors (Pre-assignment) Training Program” (see Annex B) and “Performance Guidelines for Suppliers of Training…

This standard provides dimensional and performance requirements for safety, durability and structural adequacy of interconnecting panels and panel-supported components such as work surfaces, drawers and storage units. Panels may have the capability for management of electrical and communications wiring as well as acoustical properties. This standard also provides dimensional and adjustment…

1.1 This Standard applies to motor-operated vacuum cleaners and blower cleaners, floor sweepers, and to household use floor finishing machines to be employed in accordance with C22.1, C22.2 No. 0, and ANSI/NFPA 70. 1.2 These requirements cover: a) Household, commercial, and coin-operated vacuum cleaning machines and blower cleaners, intended for indoor or outdoor use or both; b) Household,…

IEC TS 60079-46:2017 specifies requirements for the design, construction, assembly, testing, inspection, marking, documenting and assessment of equipment assemblies for use in explosive atmospheres under the responsibility of the manufacturer of the equipment assembly. The requirements of this document apply to individual items according to the IEC 60079 series or ISO 80079 series that comprise…

ISO 9241-125:2017 provides guidance for the visual presentation of information controlled by software, irrespective of the device. It includes specific properties such as the syntactic or semantic aspects of information, e.g. coding techniques, and gives provisions for the organization of information taking account of human perception and memory capabilities. Those of its provisions that do not…

ISO 25649-4:2017 specifies safety requirements and test methods related to materials, safety, performance and consumer information for classified floating leisure articles for use on and in the water according to ISO 25649‑1. ISO 25649-4:2017 is to be applied with ISO 25649‑1 and ISO 25649‑2. ISO 25649-4:2017 is applicable for Class B floating leisure articles for use on and in the water…

IEC TS 60079-46:2017 specifies requirements for the design, construction, assembly, testing, inspection, marking, documenting and assessment of equipment assemblies for use in explosive atmospheres under the responsibility of the manufacturer of the equipment assembly. The requirements of this document apply to individual items according to the IEC 60079 series or ISO 80079 series that comprise…

IEC 60350-2:2017 defines methods for measuring the performance of electric hobs for household use.<br /> Appliances covered by this document can be built-in or designed to be placed on a work surface. The hob can also be a part of a cooking range.<br /> This document does not apply to portable appliances for cooking, grilling and similar functions (see IEC 61817).<br /> This…