Standard No.:	HG/T 2178-2019
English Name:	Rubber diaphragms and rubber parts for diaphragm gas meters
Chinese Name:	膜式燃气表用橡胶膜片和橡胶件
Professional Classification:	HG    Professional Standard - Chemistry
Issued by:	Ministry of Industry and Information Technology
Issued on:	2019-12-24
Implemented on:	2020-7-1
Status:	valid
Superseding:	HG 2178-1991 Rubber Diaphragm of Household Gas Meter
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	105.00
Delivery:	via email in 1~3 business day

本标准规定了膜式燃气表中橡胶膜片和橡胶件的使用性能、材料性能等技术要求、以及试验方法、检验规则、标志、包装、运输和贮存等内容，并界定了有关术语以及分类。
本标准适用于计量人工煤气、天然气、液化石油气的膜式燃气表中的橡胶膜片和橡胶件。