Rechercher

1 Scope 1.1 These requirements cover the construction and operation of fixed condensed aerosol extinguishing system units inclusive of aerosol generating extinguishing system units and aerosol generating automatic extinguisher units intended for total flooding applications when installed, inspected, tested, and maintained in accordance with the Standard for Fixed Aerosol Fire Extinguishing…

Scope This certification program covers protective clothing in the form of a single or two-piece garment, namely a jacket and pants, as well as additional protective clothing garments such as neck curtains hoods, sleeves, aprons and gaiters. For adequate complete protection of welders against hazards, personal protective equipment (PPE) covered by other standards should be worn in addition…

This standard defines profiles that select features, options, configurations, defaults, protocols and procedures of bridges, stations, and LANs that are necessary to build networks that are capable of transporting fronthaul streams, which are time-sensitive. NOTE—Stream and flow are used as synonyms in this document.1

1.1 This practice describes the operation and production control of metal powder bed fusion (PBF) machines and processes to meet critical applications such as commercial aerospace components and medical implants. The requirements contained herein are applicable for production components and mechanical test specimens using powder bed fusion (PBF) with both laser and electron beams. 1.2 This…

1.1 These requirements cover thermoplastic pipe and fittings for use in wet pipe sprinkler systems for fire protection service. 1.2 Thermoplastic pipe and fittings covered by these requirements are intended for use in sprinkler systems in any of the following types of occupancies: a) Light hazard occupancies as defined in the Standard for Installation of Sprinkler Systems, NFPA 13; b)…

This document provides safety requirements for autonomous machines and semi-autonomous machines (ASAM) used in earth-moving and mining operations, and their autonomous or semi-autonomous machine systems (ASAMS). It specifies safety criteria both for the machines and their associated systems and infrastructure, including hardware and software, and provides guidance on safe use in their defined…

This document defines an identification code for hydraulic valve mounting surfaces and for hydraulic cartridge valve cavities that are defined in other International Standards (see Bibliography). This document is not applicable to mounting surfaces and cartridge valve cavities that do not conform to these International Standards. This document does not require that the hardware be marked with the…

IEC 61557-4:2019 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 61557-4:2019 specifies the requirements applicable to equipment for measuring the resistance of earth conductors…

IEC 61557-5:2019 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 61557-5:2019 specifies the requirements applicable to measuring equipment for measuring the resistance to earth…

IEC 61557-6:2019 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 61557-6:2019 specifies the requirements applicable to measuring equipment for testing the effectiveness of…