Standard | ANSI B16.5 | JIS B2220 | EN1092-1:2007 | GOST | HG20592 |
Min Size | DN15 | DN15 | DN15 | DN15 | DN15 |
Max Size | DN2400 | DN1200 | DN2400 | DN1200 | DN1200 |
· ASME / ANSI B16.5 Flange class 150 Blind Flanges
· ASME / ANSI B16.5 Flange class 300 Blind Flanges
· ASME / ANSI B16.5 Flange class 600 Blind Flanges
ASME / ANSI B16.47 Ser. A Blind Flanges
· ASME / ANSI B16.47 Flange class 150lb ser.A (MSS SP44) Blind Flanges
·ASME / ANSI B16.47 Flange class 300lb Ser.A (MSS SP44) Blind Flanges
· ASME / ANSI B16.47 Flange class 600lb Ser.A (MSS SP44)Blind Flanges
· ASME / ANSI B16.47 Flange class 900lb Ser. A (MSS SP44) Blind Flanges
ASME / ANSI B16.47 Ser. B Blind Flanges
· ASME / ANSI B16.47 Flange class 75lb ser.B (API 605) Blind Flanges
· ASME/ ANSI B16.47 Flange class 150lb ser.B (API 605) Blind Flanges
· ASME / ANSI B16.47 Flange class 300lb Ser.B (API 605) Blind Flanges
· ASME / ANSI B16.47 Flange class 600lb Ser.B (API 605) Blind Flanges
· ASME / ANSI B16.47 Flange class 900lb Ser.B (API 605) Blind Flanges
FLANGE TYPE | WELDING NECK FLANGE |
FLANGE TYPE | SLIP ON FLANGE |
FLANGE TYPE | BLIND FLANGE |
FLANGE TYPE | PLATE FLANGE |
FLANGE TYPE | THREADED FLANGE |
FLANGE TYPE | SOCKET WELDING FLANGE |
FLANGE TYPE | LAP JOINT FLANGE |
FLANGE TYPE | LWN-FLANGE |
FLANGE TYPE | SPECTACLE BLIND FALANGE |

Outside Diameter ≤ 24 = 1.6 mm | > 24 = ± 3.2 mm | Inside Diameter not applicable | |||
Diameter of Contact Face 1.6 mm Raised Face = ± 0.8 mm 6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm | Outside Diameter of Hub ≤ 12 = + 2.4 mm / - 1.6 mm | ≥ 14 = ± 3.2 mm | |||
Diameter of Counterbore not applicable | Drilling Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mm Eccentricity of Bolt Circle with Respect to Facing ≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max. | |||
Thickness ≤ 18 = + 3.2 mm / - 0 | ≥ 20 = + 4.8 mm / - 0 | Length thru Hub ≤ 18 = + 3.2 mm / - 0.8 mm | ≥ 20 = + 4.8 mm / - 1.6 mm |


