| 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
| Product Name | Forged Carbon Steel Flange |
| Material | Carbon Steel ASTM A105 ASTM A216 ASTM A352 ASTM A352 WC6 ASTM A217 WC9 ASTM A217 ASTM A351 ASTM A182 |
| Color | Black/Red/Customized |
| Standard | ANSI B16.5 ANSI B16.47 ASME B16.5 ASME B16.36 BS4504-3.1 DIN2503 DIN2527 DIN2627 DIN2629 |
| Application | Liquid delivery connection; Structure pipe; High and low pressure Boiler tube; Seamless steel tubes for petroleum cracking; Oil pipe connection; Gas pipe connection |
| Wall thickness | Class 150; Class 300; Class 600; Class 900, PN6-PN100 |
| Size | 1/4" to 48" Outside Diameter 13.7 mm to 1219 mm |
| Test | Chemical Component Analysis, Mechanical Properties, Technical Properties, Exterior Size Inspection, hydraulic testing , X-ray Test. |
| 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 | |||
