Eléctrico

Eléctrico

ISO 4437-4:2022 - Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 4: Valves
- 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
- 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
- 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
- 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
- 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
- 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...
D5077 Standard Terminology Relating to Electrostatic Discharge (ESD) Packaging Materials has been reapproved, available as D5077-90(2021)
18/11/2021 - 1. Scope 1.1 The terms and definitions in this standard are related to Electrostatic Discharge (ESD) Packaging Materials and ESD Protective Materials. ...
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...
C1340/C1340M Standard Practice for Estimation of Heat Gain or Loss Through Ceilings Under Attics Containing Radiant Barriers by Use of a Computer Program has been reapproved, available as C1340/C1340M-10(2021)
- Significance and Use 5.1 Manufacturers of radiant barriers express the performance of their products in terms of the total hemispherical emittance. The purpose of a radiant...
D1710 Standard Specification for Extruded Polytetrafluoroethylene (PTFE) Rod, Heavy Walled Tubing and Basic Shapes has been reapproved, available as D1710-15(2021)
- 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
- Significance and Use 4.1 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
- Significance and Use 4.1 Geomembranes are used as barriers to prevent liquids from leaking from landfills, ponds, and other containments. For this purpose, it is desirable...