Standard No.:	GB/T 21477-2024
English Name:	Ships and marine technology—Fire resistance of non-metallic hose assemblies and non-metallic compensators—Test methods
Chinese Name:	船舶与海上技术 非金属软管组件和非金属补偿器的耐火性能 试验方法
Chinese Classification:	U23    Fire fighting equipment
Professional Classification:	GB    National Standard
ICS Classification:	47.020.50 47.020.50    Deck equipment and installations 47.020.50
Issued by:	Nation Energy Administration
Issued on:	2024-10-26
Implemented on:	2025-2-1
Status:	valid
Superseding:	GB/T 21477-2008 Ships and marine technology - Fire resistance of hose assemblies - Test methods
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	210.00
Delivery:	via email in 1~3 business day

本文件规定了用于测定公称通径不大于150 mm非金属软管组件和非金属补偿器耐火性能的试验方法。试验台满足条件时，本文件也适用于测定公称通径更大的非金属软管组件和非金属补偿器耐火性能。
该试验用于证明在GB/T 21476―2024所规定的试验台上施加一段时间火焰后，在承受试验压力时，非金属软管组件和非金属补偿器能够继续保持不泄漏。
试验介质只允许是水。为确保在试验期间非金属软管组件或非金属补偿器破损的情况下操作人员和试验台的安全，不准许使用易燃试验介质。