- TS EN ISO 7005-1-2011 Flanges Bututu Kashi 1: Flanges na ƙarfe don tsarin bututun masana'antu da na gabaɗaya
- TS EN ISO 7005-2-1988 Flanges na ƙarfe - Kashi 2: Simintin ƙarfe
- TS EN ISO 7005-3-1988 Flanges na ƙarfe - Kashi 3: gami da flanges na ƙarfe
- Saukewa: ASTM A733-2022
- ASTM A1085/A1085M-2022
- ASME B16.49-2023
- ASME B16.47-2020: Babban Diamita Karfe Flanges: NPS 26 zuwa NPS 60, Metric/Inch Standard
- ASME B16.5-2020: Bututu Flanges da Flanged Fittings: NPS 1/2 ta NPS 24, Metric/Inch Standard
- JIS B 2220-2012: Karfe bututu flanges
- TS EN 1092-2-2023
- GB/T 12459-2017
- GB/T 29168.1-2021
- GOST 12820-1980
- GOST 12821-1980
- CSA Z245.12-2021: Karfe
- AS/NZS 1163-2016: Sanyi-kafa tsarin karfe m sassan
- AS 2129-2000: Flanges don bututu, bawuloli da kayan aiki