ASME B16.20, Metallic Gaskets:
Ring-Joint Gaskets
Spiral-Wound Gaskets
Jacketed Gaskets
Grooved Metal Gaskets With Covering Layers
Flange Standard:
ASME B16.5
ASME B16.47 SERIES B (API 605)
ASME B16.47 SERIES A (MSS SP 44)
BS 1560
BS 10
BS 4504
DIN FLANGES
JIS FLANGES