Compression gas spring technical specification

Issued on December 23, 2010 – Implemented on October 1, 2011

Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China and the Standardization Administration of China

Foreword

This standard is proposed by China Machinery Industry Federation.
This standard is under the jurisdiction of the National Spring Standardization Technical Committee.

Technical Specification for Compression Gas Springs

1. Scope

This standard specifies the terms and definitions, markings, technical requirements, test methods, inspection rules, as well as requirements for identification, packaging, transportation, and storage of compression gas springs (hereinafter referred to as “gas springs”).
This standard is applicable to gas springs using nitrogen or other inert gases as energy – storage working media.

2. Normative References

The provisions of the following documents are incorporated into this standard by reference. For dated references, subsequent amendments (excluding errata) or revised editions do not apply to this standard. However, parties reaching agreements based on this standard are encouraged to explore the possibility of using the latest editions of these documents. For undated references, their latest editions apply to this standard.

• GB/T 1771 Paints and Varnishes – Determination of Resistance to Neutral Salt Spray (GB/T 1771—2007, ISO 7253:1996, IDT)
• GB/T 1800.1 Geometrical Product Specifications (GPS) – Limits and Fits – Part 1: Basics of Tolerances, Deviations and Fits (GB/T 1800.1—2009, ISO 286 – 1:1988, MOD)
• GB/T 1805 Spring Terminology
• GB/T 2348 Hydraulic and Pneumatic Systems and Components – Cylinder Bore Diameters and Piston Rod Outer Diameters (GB/T 2348—1993, neq ISO 3320:1987)
• GB/T 2349 Hydraulic and Pneumatic Systems and Components – Piston Stroke Series of Cylinders
• GB/T 2828.1 Sampling Procedures for Inspection by Attributes – Part 1: Sampling Plans for Lot – by – Lot Inspection Retrieved by Acceptable Quality Limit (AQL) (GB/T 2828.1—2003, ISO 2859 – 1:1999, IDT)
• GB/T 2829 Sampling Procedures and Tables for Periodic Inspection by Attributes (Applicable to the Inspection of Process Stability)
• GB/T 10125 Corrosion Tests in Artificial Atmospheres – Salt Spray Tests (GB/T 10125—1997, eqv ISO 9227:1990)
• QC/T 484 Automobile Paint Coatings
• QC/T 625 Coatings and Chemical Treatment Layers for Automobiles

Technical Specification for Compression Gas Springs (English version of national strandard, initiated by LeiYan Gas Springs), proposed and prepared by SAC/TC 235 (National Technical Committee 235 on Spring of Standardization Administration of China).