ISO 16486-4:2016标准是燃气供应领域的重要标准之一，它规定了聚酰胺管道系统的阀门的要求和试验方法。聚酰胺管道系统是一种新型的管道系统，具有优异的耐腐蚀性、耐热性和耐压性能，被广泛应用于燃气供应领域。

该标准主要包括以下内容：

1. 术语和定义：该部分规定了本标准中所使用的术语和定义。

2. 材料：该部分规定了聚酰胺管道系统阀门所使用的材料的要求。

3. 设计和制造：该部分规定了聚酰胺管道系统阀门的设计和制造要求。

4. 熔合接头：该部分规定了聚酰胺管道系统阀门的熔合接头要求和试验方法。

5. 机械接头：该部分规定了聚酰胺管道系统阀门的机械接头要求和试验方法。

6. 阀门：该部分规定了聚酰胺管道系统阀门的要求和试验方法。

7. 标识和包装：该部分规定了聚酰胺管道系统阀门的标识和包装要求。

该标准的实施可以有效保障聚酰胺管道系统阀门的质量和安全性能，为燃气供应领域的发展提供了有力的支持。

相关标准
- ISO 16486-1:2014 Plastics piping systems for the supply of gaseous fuels — Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing — Part 1: General
- ISO 16486-2:2014 Plastics piping systems for the supply of gaseous fuels — Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing — Part 2: Pipes
- ISO 16486-3:2014 Plastics piping systems for the supply of gaseous fuels — Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing — Part 3: Fittings
- ISO 16486-5:2016 Plastics piping systems for the supply of gaseous fuels — Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing — Part 5: Fitness for purpose of the system
- ISO 16486-6:2016 Plastics piping systems for the supply of gaseous fuels — Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing — Part 6: Guidance for the assessment of conformity