Plastics piping systems for the supply of gaseous fuels — Unplasticized polyamide (PA-U) piping syst...
This document specifies the general properties of unplasticized polyamide (PA-U) compounds for the manufacture of pipes, fittings and valves made from these compounds, intended to be buried and used for the supply of gaseous fuels. It also specifies the test parameters for the test methods to which it refers.
The ISO 16486 series is applicable to PA-U piping systems, the components of which are…
Photovoltaic (PV) arrays - Part 1: Design requirements
IEC 62548-1:2023 sets out design requirements for photovoltaic (PV) arrays including DC array wiring, electrical protection devices, switching and earthing provisions. The scope includes all parts of the PV array and final power conversion equipment (PCE), but not including energy storage devices, loads or AC or DC distribution network supplying loads. The object of this document is to address…
Household and similar electrical appliances - Safety - Part 2-122: Particular requirements for comme...
IEC 60335-2-122:2023 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with the comprehensive content of the Standard. IEC 60335-2-122:2023 EXV includes the content of the references made to IEC 60335-1:2020.
IEC 60335-2-122:2023 deals with the safety of electrically…
Household and similar electrical appliances - Safety - Part 2-122: Particular requirements for comme...
IEC 60335-2-122:2023 deals with the safety of electrically operated commercial washing machines, their rated voltage being not more than 250 V for single phase and 480 V for other appliances.
These appliances are not intended for household and similar purpose. They are used:
- by experts or instructed persons for commercial washing in areas not open to the public, for example on farms and in…
Telecommunications and information exchange between systems — Recursive inter-network architecture —...
This document provides the Error and Flow Control Protocol (EFCP) specification. EFCP provides an inter-process communication (IPC) service to an application process, which can be a (N+1)-IPC process (IPCP), with the requested Quality of Service (QoS). One or more service data units (SDUs) are passed on the (N)-port-id to the (N)-DIF (distributed IPC facility) to be sent to the destination…
Telecommunications and information exchange between systems — Recursive inter-network architecture —...
This document provides the common application connection establishment procedure (CACEP) specification. It includes an overview of CACEP, its specification, the syntax of the protocol data units (PDUs), and the policies available.
Telecommunications and information exchange between systems - Recursive inter-network architecture -...
This document provides the common application connection establishment procedure (CACEP) specification. It includes an overview of CACEP, its specification, the syntax of the protocol data units (PDUs), and the policies available.
Telecommunications and information exchange between systems - Recursive inter-network architecture -...
This document provides the Error and Flow Control Protocol (EFCP) specification. EFCP provides an inter-process communication (IPC) service to an application process, which can be a (N+1)-IPC process (IPCP), with the requested Quality of Service (QoS). One or more service data units (SDUs) are passed on the (N)-port-id to the (N)-DIF (distributed IPC facility) to be sent to the destination…
Air to water heat pumps — Testing and rating at part load conditions and calculation of seasonal coe...
This document specifies test conditions for determining the seasonal performance characteristics of air to water heat pumps for space heating with electrically driven compressors with or without supplementary heater. In the case of air to water heat pumps for space heating consisting of several parts with refrigerant or water connections, this document applies only to those designed and supplied…
1 Scope
1.1 Purpose
The purpose of this Standard is to minimize the risk of personal injury by providing minimum requirements for the design, construction, installation, inspection, and maintenance of the mechanical refrigeration systems and volatile direct refrigeration systems specified in Clauses 1.2.1and 1.2.2.
Note: This Standard does not directly address protection of property and…
