National Standard of the People's Republic of China Flared type tube fittings- Union cross-Assembly This standard applies to flared type tube fittings for use in piping systems using oil and gas as the medium. 2L GE 5641.2 GB5647- Marking example: Flared cross pipe joint with outer diameter of 10mm Pipe joint 10GB5641.1—85 National Bureau of Standards 1986-11-25 Issued UDC621.648.4 GB 5641.185 GB 5646 1986-08-01 Implementation Pipe outer diameter M16 × 1.5 M18 ×1.5 M 22 × 1. 5 M24 × 1. 5bZxz.net M30×2 M33 × 2 M36×2 M39×2 M42×2 GB 5641,185 Technical conditions shall be in accordance with the provisions of GB5653-85 "Technical conditions for flared pipe joints". s. Additional remarks: This standard is proposed by the Ministry of Machinery Industry of the People's Republic of China and is under the jurisdiction of the Standardization Research Institute of the Ministry of Machinery Industry. S Material (steel) kg/100 pieces This standard was drafted by the Standardization Research Institute of the Ministry of Machinery Industry, Shanghai Hydraulic Accessories Factory, Changchun Automobile Research Institute, and Shanghai Hydraulic and Pneumatic Research Institute. The main drafters of this standard are Hu Lusheng, Li Ningning, and Zhang Qianlong. From the date of implementation of this standard, the original Ministry standard JB1906-77 "Flared Cross Pipe Joint" shall be invalid. Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.