Eléctrico
Eléctrico
ISO 4437-4:2022 - Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 4: Valves
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This document specifies the characteristics of valves made from polyethylene (PE) for piping systems in the field of the supply of gaseous fuels.It is applicable to unidirectional and...
ISO 5623:2022 - Plastics — Joining of thermoplastic moulded components — Specification for quality levels for imperfections
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This document specifies quality levels for imperfections in joints in thermoplastic moulded components due to the joining process.This document does not describe imperfections that can...
ISO/TS 10839:2022 - Polyethylene pipes and fittings for the supply of gaseous fuels — Code of practice for design, handling and installation
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This document presents a code of practice dealing with polyethylene (PE) pipes and fittings for buried pipeline systems outside buildings, conforming to the ISO 4437 series, and designed to...
ISO/PAS 22101-2:2022 - Polyethylene reinforced with short glass fibres (PE-sGF) piping systems for industrial applications — Part 2: Pipes
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This document is applicable to short glass fibre reinforced polyethylene (PE-sGF) pipes manufactured by the spiral cross winding method, which are used below ground for the conveyance of liquid...
ISO 13844:2022 - Plastics piping systems — Elastomeric-sealing-ring-type socket joints for use with plastic pipes — Test method for leaktightness under negative pressure, angular deflection and deformation
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This document specifies a method for testing the leak tightness under negative pressure, angular deflection and deformation of assembled joints between elastomeric-sealing-ring-type sockets...
ISO 16486-4:2022 - Plastics piping systems for the supply of gaseous fuels — Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing — Part 4: Valves
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This document specifies the characteristics of valves made from unplasticized polyamide (PA-U) in accordance with ISO 16486-1, intended to be buried and used for the supply of gaseous...
ISO 27126:2021 - Thermoplastic multi-layer (non-vulcanized) hoses and hose assemblies for the transfer of hydrocarbons, solvents and chemicals — Specification
01/11/2021 -
This document specifies requirements for four types of thermoplastic multi-layer (non-vulcanized) hoses and hose assemblies for carrying hydrocarbons, solvents and chemicals. It specifies bore...
D1710 Standard Specification for Extruded Polytetrafluoroethylene (PTFE) Rod, Heavy Walled Tubing and Basic Shapes has been reapproved, available as D1710-15(2021)
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Abstract This specification covers the testing and requirements of extruded and compression molded polytetrafluoroethylene (PTFE) rods and heavy-walled tubing manufactured...
F2754/F2754M Standard Test Method for Measurement of Camber, Cast, Helix, and Direction of Helix of Coiled Wire has been revised to F2754/F2754M-21
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Significance and Use 4.1Â The process of coiling wire causes the wire to take on a curvature from the process of being mechanically deformed into a coiled geometry. The...
D6747 Standard Guide for Selection of Techniques for Electrical Leak Location of Leaks in Geomembranes has been revised to D6747-21
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Significance and Use 4.1Â Geomembranes are used as barriers to prevent liquids from leaking from landfills, ponds, and other containments. For this purpose, it is desirable...
D1636 Standard Specification for Allyl Molding Compounds has been revised to D1636-21
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Abstract This specification provides for the identification of three types of allyl molding compounds, based on the general type of filler employed in their manufacture:...
D3013 Standard Specification for Epoxy Molding Compounds has been reapproved, available as D3013-13(2021)
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Abstract This specification covers the requirements for epoxy thermosetting molding compounds and provides for their identification, quality control, and purchase. Material...
D1755 Standard Specification for Poly(Vinyl Chloride) Resins has been revised to D1755-21
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1. Scope 1.1Â This specification covers the establishment of requirements for homopolymers of vinyl chloride in original powder form intended for subsequent mixing and...
D8265 Standard Practices for Electrical Methods for Mapping Leaks in Installed Geomembranes has been revised to D8265-21
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Significance and Use 4.1Â Geomembranes are used as impermeable barriers to prevent liquids from leaking from landfills, ponds, and other containment facilities. The liquids may...
