Standard No.:	GB/T 2351-2021
English Name:	Fluid power systems and components-Outside diameters of tubes and inside diameters of hoses
Chinese Name:	流体传动系统及元件 硬管外径和软管内径
Chinese Classification:	J20    Hydraulic and pneumatic device
Professional Classification:	GB    National Standard
ICS Classification:	23.100.40 23.100.40    Piping and couplings 23.100.40
Issued by:	SAMR; SAC
Issued on:	2021-05-21
Implemented on:	2021-12-1
Status:	valid
Superseding:	GB/T 2351-2005 Fluid power systems and components—Connectors and associated components—Outside diameters of tubes and inside diameters of hoses
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	105.00
Delivery:	via email in 1~3 business day

本文件规定了在流体传动系统及元件中使用的刚性或半刚性硬管公称外径及软管公称内径尺寸系列：a)硬管的公称外径尺寸系列，不考虑材料成分；b)橡胶或塑料软管的公称内径尺寸系列。注： 硬管的实际外径和公差可参照ISO 3304和ISO 3305；软管的实际内径尺寸和公差可参照ISO 1307。