Rechercher

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

1 Scope This International Standard is applicable to flexible insulating covers (line hoses) for the protection of workers from accidental contact with live or earthed electrical conductors and for the avoidance of short circuits during live working. 1.1 Classes Five classes of conductor covers, differing in electrical characteristics, are provided and designated as class 0, class 1, class 2,…

ISO/IEC 14496-3:2005 (MPEG-4 Audio) is a new kind of audio International Standard that integrates many different types of audio coding: natural sound with synthetic sound, low bitrate delivery with high-quality delivery, speech with music, complex soundtracks with simple ones, and traditional content with interactive and virtual-reality content. By standardizing individually sophisticated coding…

ISO 7663:2005 specifies: physical and chemical tests on raw rubbers;standardized materials, a standardized test formulation, and the equipment and processing methods for evaluating the vulcanization characteristics of all types of halogenated isobutene-isoprene rubber (BIIR and CIIR).

Deals with the limitation of harmonic currents injected into the public supply system. Specifies limits of harmonic components of the input current which may be produced by equipment tested under specified conditions. Harmonic components are measured according to Annexes A and B. This part of IEC 61000 is applicable to electrical and electronic equipment having an input current up to and…

ISO 13501:2005 provides a standard procedure for assessing and modifying performance of solids control equipment systems commonly used in the field in petroleum and natural gas drilling fluids processing. ISO 13501:2005 is not intended for the comparison of similar types of individual pieces of equipment.

IEC 60684-3-212:2005 standard gives the requirements for four types of heat-shrinkable polyolefin sleevings suitable for use at temperatures up to 135 °C.<br /> Type A: flame retarded, shrink ratio 2:1,<br /> Type B: not flame retarded, shrink ratio 2:1,<br /> Type C: flame retarded, shrink ratio 3:1,<br /> Type D: not flame retarded shrink ratio 3:1. This second edition…

IEC 60684-3-212:2005 standard gives the requirements for four types of heat-shrinkable polyolefin sleevings suitable for use at temperatures up to 135 °C. Type A: flame retarded, shrink ratio 2:1, Type B: not flame retarded, shrink ratio 2:1, Type C: flame retarded, shrink ratio 3:1, Type D: not flame retarded shrink ratio 3:1. This second edition cancels and replaces the first edition…

This standard gives the requirements for two types of heat-shrinkable, not flame retarded, polyolefin sleeving with a nominal shrink ratio of 3:1 and with thick and medium wall. This sleeving has been found suitable at temperatures up to 135 °C. - Type A: Medium wall - internal diameter of upt to 180,0 mm. - Type B: Thick wall - internal diameter of up to 160,0 mm.

ISO 291:2005 sets out specifications relating to the conditioning and testing of all plastics and all types of test specimen at constant atmospheric conditions. Special atmospheres applicable to a particular test or material or simulating a particular climatic environment are not included.