Tuyaux et flexibles en caoutchouc — Types hydrauliques à pression unique, avec armature de fils méta...
Le présent document spécifie des exigences pour dix classes, quatre grades et sept types de tuyaux et flexibles hydrauliques avec armature de fils métalliques tressés de dimensions nominales comprises entre 5 et 102. Chaque classe a une pression maximale de service unique pour toutes les dimensions.
Ils sont adaptés pour une utilisation avec:
— des fluides hydrauliques HH, HL, HM, HR et HV…
Fans — Determination of fan sound power levels under standardized laboratory conditions — Part 4: So...
ISO 13347-4:2004 applies to industrial fans as defined in ISO 5801 and ISO 13349. It is limited to the determination of airborne sound emission for the specified set-ups. Vibration is not measured, nor is the sensitivity of airborne sound emission to vibration effects determined.
The sizes of the fan, which can be tested in accordance with ISO 13347-4:2004, are limited only by the practical…
Fire protection — Automatic sprinkler system — Part 18: Requirements and test methods for flexible s...
This standard covers performance, marking requirements and test methods for a flexible sprinkler hose with fittings, attachments and anchoring components intended for direct connection to a single fire sprinkler in installations utilizing a flexible attachment to the sprinkler system piping such as clean rooms, suspended ceilings, and exhaust ducts.
ISO 21347:2005 establishes general requirements for the application of fracture control technology to fracture critical items (FCIs) fabricated by metallic, non-metallic or composite materials. It also establishes mechanical damage control requirements for mechanical damage critical items (MDCIs) fabricated by composite materials. These requirements, when implemented on a particular space system…
Corrosion control engineering life cycle of power transmission and transformation systems — General ...
This document specifies the overall objectives of the Corrosion control engineering life cycle of power transmission and transformation system and the general requirements of each factor.
This document applies the corrosion control engineering life cycle of power transmission and transformation system.
Biotechnology — Massively parallel sequencing — Part 3: General requirements and guidance for metage...
This document specifies general requirements and guidance for metagenomics-dedicated sample preparation, generating and analyzing metagenomics sequence data obtained from massive parallel sequencing platforms. The specified metagenomics process includes the following stages:
a) Sampling strategy and process, including type, storage, transportation, extraction, quality;
b) Nucleic acid library…
