This Part of GB/T 9124 specifies the types and parameters, styles and dimensions, technical requirements, tests, inspections and acceptance, marking and labeling, and supply requirements for PN designated steel pipe flanges and blank flanges. This Part applies to steel pipe flanges and blank flanges with nominal pressure PN2.5~PN400 and nominal size DN10~DN4000.
Basic Data
Standard ID
GB/T 9124.1-2019 (GB/T9124.1-2019)
Description (Translated English)
Steel pipe flanges -- Part 1: PN designated
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
J15
Classification of International Standard
23.040.60
Word Count Estimation
166,178
Date of Issue
2019-05-10
Date of Implementation
2019-12-01
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
