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  • BSI
    BS EN 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 - Valves
    Edition: 2022
    $442.60
    / user per year

Description of BS EN ISO 16486-4:2022 2022

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 fuels. It is applicable to isolating unidirectional and bi-directional valves with spigot ends or electrofusion sockets intended to be fused with PA-U pipes or fittings conforming to ISO 16486-2 and ISO 16486-3 respectively. Valves made from material other than unplasticized polyamide designed for the supply of gaseous fuels conforming to the relevant standards are permitted to be used in PA-U piping systems according to the ISO 16486 series provided they have relevant PA-U connections for butt fusion or electrofusion ends (see ISO 16486-3). The component, i.e. the complete valve, is required to fulfil the requirements of this document. This document also specifies the test parameters for the test methods it describes. In conjunction with ISO 16486-1, ISO 16486-2, ISO 16486-3 and ISO 16486-5, this document is applicable to PA-U valves and their joints and to joints with components of PA-U and other materials intended to be used under the following conditions: a) a maximum operating pressure (MOP) of up to and including 18 bar[1], or limited to 16 bar under regional CEN requirements, at a reference temperature of 20 °C for design purposes; NOTE 1    For the purpose of this document and the references to ISO 8233, MOP is considered to be nominal pressure. b) an operating temperature of ?20 °C to 40 °C; NOTE 2    For operating temperatures between 20 °C and 40 °C, derating coefficients are specified in ISO 16486-5. This document covers valves for pipes with a nominal outside diameter, dn, ? 400 mm.   [1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm².

Standard NumberBS EN ISO 16486-4:2022
TitlePlastics piping systems for the supply of gaseous fuels. Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Valves
StatusUnder Review
Publication Date2022-07-26
Identical National Standard OfENISO 16486-4, ISO 16486-4
DescriptorsPlastic pipes, Plastics, Plastics and rubber technology, Fuels, Gaseous fuels
ICS75.200 Petroleum products and natural gas handling equipment, 83.140.30 Plastics pipes and fittings for non fluid use
CommitteePRI/88
ISBN978 0 539 12044 8
PublisherBSI
Pages34

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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