- Standard No.
- JB/T 978-2013
- Language
- Chinese, Available in English version
- Release Date
- 2013
- Published By
- Professional Standard - Machinery
- Latest
-
JB/T 978-2013
- Replace
-
JB/T 978-1977
JB/T 998-1977
JB/T 999-1977
- Scope
- This standard specifies the types and dimensions, markings, technical requirements, performance testing, procurement information and markings of welded joint hinged pipe joints. This standard is applicable to hydraulic fluid transmission and general-purpose piping systems with a pipe outer diameter of 10 mm to 28 mm, a maximum working pressure not exceeding 32 MPa, and an operating temperature of -40°C to 100°C.
JB/T 978-2013 Referenced Document
- GB/T 193 General purpose metric screw threads--General plan
- GB/T 19674.2 Connections for general use and fluid power Ports and stud ends with thread.Stud ends with elastomeric sealing(A type and type E)
- GB/T 197 General purpose metric screw threads—Tolerances*, 2018-03-15 Update
- GB/T 3 Run-outs, undercuts and chamfers for general purpose metric screw threads
- GB/T 3141 Industrial liquid lubricants-ISO viscosity classification
- GB/T 699 Quality carbon structure steels*, 2015-12-10 Update
- GB/T 7307 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
- GB/T 7631.2 Lubricants,industrial oils and related products(class L)--Classification--Part 2: Family H(Hydraulic systems)
JB/T 978-2013 history
JB/T 978-2013 Banjo weld connector has been changed from JB/T 998-1977 Welded type hinged pipe connection body.
JB/T 978-2013 Banjo weld connector has been changed from JB/T 999-1977 Hinged nut for pipe connection.