ISO/TC 138/SC 7
| Projekta Nr. | ISO 16486-4:2022 |
|---|---|
| Nosaukums | <p>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.</p> <p>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.</p> <p>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.</p> <p>This document also specifies the test parameters for the test methods it describes.</p> <p>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:</p> <p>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;</p> <p>NOTE 1 For the purpose of this document and the references to ISO 8233, MOP is considered to be nominal pressure.</p> <p>b) an operating temperature of −20 °C to 40 °C;</p> <p>NOTE 2 For operating temperatures between 20 °C and 40 °C, derating coefficients are specified in ISO 16486-5.</p> <p>This document covers valves for pipes with a nominal outside diameter, <em>d</em><sub>n</sub>, ≤ 400 mm.</p> <p> </p> <p>[1] 1 bar = 0,1 MPa = 10<sup>5</sup> Pa; 1 MPa = 1 N/mm².</p> |
| Reģistrācijas numurs (WIID) | 78883 |
| Darbības sfēra | <p>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.</p> <p>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.</p> <p>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.</p> <p>This document also specifies the test parameters for the test methods it describes.</p> <p>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:</p> <p>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;</p> <p>NOTE 1 For the purpose of this document and the references to ISO 8233, MOP is considered to be nominal pressure.</p> <p>b) an operating temperature of −20 °C to 40 °C;</p> <p>NOTE 2 For operating temperatures between 20 °C and 40 °C, derating coefficients are specified in ISO 16486-5.</p> <p>This document covers valves for pipes with a nominal outside diameter, <em>d</em><sub>n</sub>, ≤ 400 mm.</p> <p> </p> <p>[1] 1 bar = 0,1 MPa = 10<sup>5</sup> Pa; 1 MPa = 1 N/mm².</p> |
| Statuss | Standarts spēkā |
| ICS grupa | 75.200 83.140.30 |