GB/T 5649-2008
Flared couplings.Lock nut and lockup washer (English Version)
- Standard No.
- GB/T 5649-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 5649-2008
- Replace
- GB/T 5652-1985 GB/T 5649-1985
- Scope
- This standard specifies the dimensions, marks and technical requirements of lock nuts and washers for pipe joints. This standard applies to the connection of ferrule-type or flare-type adjustable pipe joints.
GB/T 5649-2008 Referenced Document
- GB/T 5653-2008 Flared couplings. Specification
GB/T 5649-2008 history
- 2008 GB/T 5649-2008 Flared couplings.Lock nut and lockup washer
- 1985 GB/T 5649-1985 Flared type tube fittings--Locknut
GB/T 5649-2008 Flared couplings.Lock nut and lockup washer has been changed from GB/T 5652-1985 Flared type tube fittings--Back-up washer.
