JB/T 5557-1991
hydraulic torque wrench (English Version)
- Standard No.
- JB/T 5557-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Machinery
- Status
- 2007-09
- Replace By
- JB/T 5557-2007
- Latest
- JB/T 5557-2007
- Scope
- This standard specifies the types, basic parameters and technical conditions of hydraulic torque wrenches. This standard is suitable for tightening wrenches that comply with the provisions of GB 3098.1 and GB 3098.2, have thread diameters of M16~M120, hexagonal head, square head, and hexagon socket head threaded fasteners, and have nominal torques of 2500~80000N·m. Ambient temperature -20~50℃.
JB/T 5557-1991 history
- 2007 JB/T 5557-2007 Wrench with hydraulic cyliuder
- 1991 JB/T 5557-1991 hydraulic torque wrench
