This document provides basic requirements for gearboxes to operate industrial valves for manual and automated on/off and modulating duties, this includes manual override gearboxes. It includes guidelines for classification, design and methods for conformity assessment.
It does not cover gear systems which are integral part in the design of valves and subsea gearboxes.
Other requirements or…
Air to water Heat pumps — Testing and rating for performance — — Part 3: Combined hot water supply w...
This part of standard wants to provide a testing and rating method of performance for heat pump water heater products with the functions combined of hygienic hot water supply and space conditioning by cooling or heating water.
This document specifies requirements for the attachment of part-turn actuators, with or without gearboxes, to industrial valves.
The attachment of part-turn actuators to control valves in accordance with the requirements of this document is subject to an agreement between the supplier and the purchaser.
This document specifies:
— flange dimensions necessary for the attachment of part-turn…
Building commissioning process planning — Part 1: New buildings
This standard addresses the development of the commissioning plan at the design stage planning of commissioning activities for new construction projects. The commissioning plan incorporates commissioning activities which begin during early project stages, and continue through design, construction, project turnover, occupancy, and operation. The commissioning plan documents the intended process to…
Solid biofuels — Determination of content of heavy extraneous materials larger than 3,15 mm
ISO 19743:2017 specifies a method for the determination of content of heavy extraneous materials larger than 3,15 mm by the use of sink-and-float separation combined with elutriation. This document is applicable to woody biomass in accordance with ISO 17225‑1:2014, Table 1.
Systems and software engineering — Life cycle management — Part 7: Application of systems engineerin...
This document establishes the requirements for systems engineering activities to be performed on projects of the United States (US) Department of Defense (DoD) and other defense agencies across the entire system life cycle, including the planning, acquisition, modification, and sustainment of defense systems. It provides the foundation for systems engineering within the context of ISO/IEC/IEEE…
This document specifies requirements and test methods for powered polymerization activators in the 380 nm to 515 nm wavelength region intended for chairside use in polymerization of dental polymer-based materials.
This document applies to quartz-tungsten-halogen lamps and light-emitting diode (LED) lamps. Powered polymerization activators could have internal power supply (rechargeable battery…
Surface chemical analysis — Total reflection X-ray fluorescence — Principles and general requirement...
This document specifies terms and definitions for analytical methods where elements are identified and their concentrations determined by measuring X ray fluorescence radiation.
The aim of this document is to establish terms and definitions for TXRF and to match these with terms and definitions relating to X ray fluorescence analysis.
Courroies transporteuses à câbles d'acier — Partie 3: Exigences de sécurité particulières aux c...
ISO 15236-3:2017 spécifie les exigences relatives aux performances et à la construction applicables aux courroies transporteuses à câbles d'acier, placés dans le sens longitudinal en tant qu'armature, pour utilisation dans les mines souterraines. Les exigences de conception et de construction s'appliquent à la conception des courroies simples ainsi qu'à la conception des…
