GB/T 9116.20-1988 English PDF
Basic dataStandard ID: GB/T 9116.20-1988 (GB/T9116.20-1988)Description (Translated English): Hubbed slip-on-welding steel pipe flanges with tongue and groove face for PN 10. 0MPa (100 bar) Sector / Industry: National Standard (Recommended) Date of Issue: 4/25/1988 |