Standard No.:	GB/T 2878.1-2025
English Name:	Connections for hydraulic fluid power—Ports with truncated housing and stud ends with metric threads—Part 1: Ports with truncated housing
Chinese Name:	液压传动连接 普通螺纹斜油口和螺柱端 第1部分：斜油口
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
Source Content Issued by:	SAMR; SAC
Issued on:	2025-03-28
Implemented on:	2025-3-28
Status:	valid
Superseding:	GB/T 2878.1-2011 Connections for hydraulic fluid power—Ports and stud ends with metric threads and O-ring sealing—Part 1:Ports
Target Language:	English
File Format:	PDF
Word Count:	7000 words
Translation Price(USD):	210.0
Delivery:	via email in 1~3 business day

本文件规定了液压传动连接用普通螺纹斜油口的尺寸和要求，适用于与ISO6149-2和ISO6149-3中规定的螺柱端连接。
本文件所规定的油口适用于不可调节螺柱端的最高工作压力为63MPa，适用于可调节螺柱端的最高工作压力为40MPa。许用工作压力根据油口尺寸、材料、结构、工况和应用等因素来确定。压力等级见ISO6149-2和ISO6149-3。
注：新设计液压系统推荐使用本文件给出的油口。