Standard No.:	GB/T 2878.1-2011
English Name:	Connections for hydraulic fluid power—Ports and stud ends with metric threads and O-ring sealing—Part 1:Ports
Chinese Name:	液压传动连接 带米制螺纹和O形圈密封的油口和螺柱端 第1部分：油口
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:	AQSIQ;SAC
Issued on:	2011-12-30
Implemented on:	2012-10-1
Status:	superseded
Superseded by:	GB/T 2878.1-2025 Connections for hydraulic fluid power—Ports with truncated housing and stud ends with metric threads—Part 1: Ports with truncated housing
Superseded on:	2025-3-28
Superseding:	GB/T 2878-1993 Fluid power systems and components―Ports―Dimensions and design
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	160.00
Delivery:	via email in 1~3 business day

GB/T2878的本部分规定了液压传动连接用米制螺纹油口的尺寸和要求,适用于与GB/T2878.2和GB/T2878.3中规定的螺柱端连接。
本部分所规定的油口适用的最高工作压力为63MPa(630bar)。许用工作压力应根据油口尺寸、材料、结构、工况、应用等因素来确定。
本部分的使用者宜确保油口周边的材料足以承受最高工作压力。