GB/T 2878.1-2011Connections for hydraulic fluid power - Ports and stud ends with metric threads and O-ring sealing - Part 1: Ports (English PDF)
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
GB/T 2878.1 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| 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 | Valid |
| GB/T 2878.1-2011 | Connections for hydraulic fluid power - Ports and stud ends with metric threads and O-ring sealing - Part 1: Ports | Obsolete |
GB/T 2878.1-2011 is obsolete. It has been replaced by GB/T 2878.1-2025. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Level / Type
National · Recommended
Issue date
December 30, 2011
Implementation date
October 1, 2012
Scope
GB/T 2878.1-2011 is the English-translated version of 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.
GB/T 2878.1-2011 is the Chinese national standard "Connections for hydraulic fluid power - Ports and stud ends with metric threads and O-ring sealing - Part 1: Ports".
It was issued on December 30, 2011 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on October 1, 2012. It is obsolete: it has been replaced by GB/T 2878.1-2025.
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Document preview — GB/T 2878.1-2011
National Standard of the People's Republic of China
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China.
Date of issue: 2011-12-30.
Date of implementation: 2012-10-01.
Status: obsolete, replaced by GB/T 2878.1-2025.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 38178.1-2025Hydraulic fluid power - Mounting dimensions for single rod cylinders, 10 MPa series - Part 1: General series
- GB/T 46622.1-2025Hydraulic fluid power - Mounting dimensions of screw-in cartridge valves - Part 1: Metric threads
- GB/T 41981.1-2022Connections for hydraulic fluid power - Couplings for diagnostic purposes - Part 1: Coupling not for connection under pressure
- GB/T 38045-2019Marine water hydraulic axial piston pumps
- GB/T 38178.2-2019Hydraulic fluid power -- Mounting dimensions for single rod cylinders, 10 MPa series -- Part 2: Short-stroke series
- JB/T 12706.1-2016Hydraulic fluid power - Mounting dimensions for single rod cylinders, 16 MPa series - Part 1: Medium series
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Related Standards
GB/T 2878.2-2011 — Connections for hydraulic fluid power -- Ports and stud ends with metric threads and O-ring sealing -- Part 2: Heavy-duty stud ends (S series)
GB/T 2878.3-2017 — Connections for hydraulic fluid power -- Ports and stud ends with metric threads and O-ring sealing -- Part 3: Light-duty stud ends (L series)
GB/T 2878.4-2011 — Connections for hydraulic fluid power -- Ports and stud ends with metric threads and O-ring sealing -- Part 4: Hex plugs
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GB/T 2878.1-2011
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