GB/T 2878.2-2011 (English Version) Connections for hydraulic fluid power.Ports and stud ends with metric threads and O-ring sealing.Part 2:Heavy-duty stud ends(S series)

Standard No.: GB/T 2878.2-2011
Language: Chinese, Available in English version
Release Date: 2011
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 2878.2-2011

Scope: This part of GB/T 2878 specifies the dimensions, performance requirements and test procedures for metric adjustable and non-adjustable heavy-duty (S series) column ends and O-rings. The non-adjustable stud end conforming to this part is suitable for a maximum working pressure of 63 MPa (630 bar), and the adjustable stud end is suitable for a maximum working pressure of 40 MPa (400 bar). The allowable working pressure should be determined according to the stud end size, material, structure, working conditions and application conditions. Products conforming only to dimensions in this section are not guaranteed to meet rated performance. The manufacturer should conduct tests in accordance with the specifications contained in this standard to ensure that the components meet the rated performance.

GB/T 2878.2-2011 Referenced Document

GB/T 17446 Fluid power systems and components.Vocabulary*， 2012-09-03 Update
GB/T 193 General purpose metric screw threads--General plan
GB/T 197 General purpose metric screw threads—Tolerances*， 2018-03-15 Update
GB/T 26143 Connectors for hydraulic fluid power.Test methods
GB/T 3103.1-2002 Tolerances for fasteners--Bolts,screws,studs and nuts
GB/T 3452.2-2007 Fluid power systems.O-riings.Part 2:Quality acceptance criteria
GB/T 6031 Rubber, vulcanized or thermoplastic—Determination of hardness (hardness between 10 IRHD and 100 IRHD)*， 2017-07-12 Update

2011 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)