National Standard of the People's Republic of China Flared type tube fittings - Connector for pressure gauge - Assembly This standard applies to flared type tube fittings for use in pipeline systems with oil and gas as the medium. CB5645.2. Marking example: JR1002-77 JE1002-7 Type A flared pressure gauge pipe fitting with outer diameter of 6mm: connector body A6 GB 5645.1-85 National Bureau of Standards Issued on November 25, 1985 G6 5647- 85 UDC 621.643.4 GB 5645.1-85 615 5616--85 LGB5648—85 1986-09-01 implementation Answer outer diameter M14 × 1.5 M22 ×1.5www.bzxz.net GB5645.1-85 Technical conditions are in accordance with the provisions of GB5653-85 "Expansion Type Pipe Fitting Technical Conditions". Additional remarks: Mass (Steel) kg/100% This standard was proposed by the Ministry of Machinery Industry of the People's Republic of China and issued by the Standardization Research Institute of the Ministry of Machinery Industry. This standard was drafted by the Standardization Research Institute of the Ministry of Machinery Industry, Shanghai Hydraulic Card Accessories Factory, Chang Automobile Research Institute, and Shanghai Hydraulic and Pneumatic Research Institute. This standard was drafted by Hu Bosheng, Tao Xue, and Zhang Qianlong. From the implementation of this standard, the original Ministry standard JB1917-77 "Expansion Type Pressure Gauge Pipe Fitting" will 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.