Rechercher

C448.1-02 Scope 1.1 This Standard applies to unitary singleor splitliquidand groundheat pumps using groundwater, submerged heat exchangers, or ground-heat exchangers as a thermal source or sink for heating and/or cooling, with or without a supplementary heating source. 1.2 This Standard applies to new and retrofit installations, and additions t o existing installations. 1.3 This…

CAN/CSA-B137.0-02 Definitions, General Requirements, and Methods of Testing for Thermoplastic Pressure Piping Scope 1.1 This Standard provides requirements for thermoplastic pressure piping. It includes definitions, abbreviations, reference publications, general requirements for raw materials, general requirements for manufactured pipe and fittings, the relevant test methods, and marking…

1.1 Scope 1.1.1 This standard covers gas-fired refrigerators having refrigerated spaces for (1) storage of foods, or (2) storage of foods and making ice, or (3) storage of frozen foods and making ice, or (4) storage of foods and the storage of frozen foods and making ice, hereinafter referred to as refrigerators or appliances. It applies to newly produced refrigerators constructed entirely of…

1. Scope 1.1 This Standard deals with new protective footwear and includes requirements for two grades of toe impact resistance, as well as special requirements for sole plate performance, metatarsal protection, electric-shock protection, sole flexation, conductivity, and chainsaw protection. (See Figures 1 and 2 for footwear and foot nomenclature used in this Standard.) 1.2 This…

1 Scope 1.1 This standard applies to pin and sleeve type plugs, receptacles, power inlets, and connectors, rated up to 800 ampere s and up to 600 volts ac or dc, and which may include two or fewer pilot contacts. These devices are intended to provide power from branch circuits, or are for direct connection to the branch circuit in accordance with the Canadian Electrical Code Part I (CEC) and…

IS/TR 17671-2 gives guidance for manual, semi-mechanized, mechanized and automatic arc welding of ferritic steels, excluding ferritic stainless steels, in all product forms. Details concerning the possible detrimental phenomena which can occur are given with advice on methods by which they can be avoided. This part of ISO/TR 17671 is generally applicable to all ferritic steels and is appropriate…

ISO/TR 17671-3 gives general guidance for the satisfactory production and control of welding and details the possible detrimental phenomena that may occur with advice on methods by which they may be avoided. It is generally applicable to all stainless steels and is appropriate regardless of the type of fabrication involved, although the application standard may have additional requirements.…

ISO/TR 17671-4 gives general guidance for the satisfactory design, production and control of welding and details the possible detrimental effects which may occur, together with advice on methods by which they may be avoided. Generally it is applicable to all types of aluminium materials and is appropriate regardless of the type of fabrication involved, although the application standard/contract…

This International Standard specifies performance and testing requirements for the gas inflation systems for inflatable life-saving appliances complying with the requirements of the 1974 Safety of Life at Sea Convention (SOLAS 74), as amended, and IMO Resolution MSC.48(66). For the purposes of this International Standard, the gas inflation system consists of inflation gas, cylinder valve,…

Applies to all types of high-voltage current-limiting fuses designed for use outdoors or indoors on alternating current systems of 50 Hz and 60 Hz and of rated voltages exceeding 1 000 V. Some fuses are provided with fuse-links equipped with an indicating device or a striker. These fuses come within the scope of this standard, but the correct operation of the striker in combination with the…