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ASME B16.47 Class 600 Series B Flange (Weld Neck and Blind Flange)

2024-12-12 16:06:49 Hits:109 American Standards / Product Standards

The ASME B16.47 Class 600 Series B Flange is a critical component for large-diameter, high-pressure piping systems. Designed for performance and reliability, these flanges are widely used in various industrial applications. Available types include weld neck flanges (WN) and blind flanges (BL), offering solutions for secure connections and system closures.

Key Specifications

Standard Compliance:

Manufactured in accordance with ASME B16.47 standards.

Rated for Class 600 pressure levels.

Flange Types:

  • Weld Neck Flanges (WN): Designed with a tapered hub for butt-welding to the pipe, ensuring stress distribution and integrity under pressure.
  • Blind Flanges (BL): Used to close the ends of pipes, ensuring a leak-proof seal.

Material Options:

  • Carbon Steel: ASTM A105, A350 LF2
  • Stainless Steel: ASTM A182 F304, F316
  • Alloy Steel: ASTM A182 F11, F22

Size Range: Nominal Pipe Sizes (NPS): 26 to 60 inches

Sealing Face Types:

  • Raised Face (RF)
  • Flat Face (FF)
  • Ring-Type Joint (RTJ)

Dimensions of ASME B16.47 Class 600 Series B Flange:

Dimension of ASME B16.47 Class 600 Series B Flange

Dimension of ASME B16.47 Class 600 Series B Flange

Nominal Pipe Size O.D. of flange Minimum Thickness of Flange,tf[Note(1)] Length Through Hub Diam. of Hub Hub Diam. Top Raised Face Diam. Drilling Diam. of Bolt,in. Minimum Fillet Radius
O WNF Blind Y X[Note(2)] A R Diam. of Bolt Circle No. of Bolt Holes Diam. of Bolt Hole,in. r1
26 890 111.2 111.3 181 698 660.4 727 806.4 28 1 ¾ 1 ⅝ 13
28 950 115.9 115.9 190 752 711.2 784 863.6 28 1 ⅞ 1 ¾ 13
30 1020 125.5 127.0 205 806 762.0 841 927.1 28 2 1 ⅞ 13
32 1085 130.2 134.9 216 860 812.8 895 984.2 28 2 ⅛ 2 13
34 1160 141.3 144.2 233 914 863.6 953 1054.1 24 2 ⅜ 2 ¼ 14
36 1215 146.1 150.9 243 968 914.4 1010 1104.9 28 2 ⅜ 2 ¼ 14
38 1270 152.4 155.0 254 1022 965.2 1054 1162.0 28 2 ⅜ 2 ¼ 14
40 1320 158.8 162.0 264 1073 1016.0 1111 1212.8 32 2 ⅜ 2 ¼ 14
42 1405 168.3 171.5 279 1127 1066.8 1168 1282.7 28 2 ⅝ 2 ½ 14
44 1455 173.1 177.8 289 1181 1117.6 1226 1333.5 32 2 ⅝ 2 ½ 14
46 1510 179.4 185.8 300 1235 1168.4 1276 1390.6 32 2 ⅝ 2 ½ 14
48 1595 189.0 195.3 316 1289 1219.2 1334 1460.5 32 2 ⅞ 2 ¾ 14
50 1670 196.9 203.2 329 1343 1270.0 1384 1524.0 28 3 ⅛ 3 14
52 1720 203.2 209.6 337 1394 1320.8 1435 1574.8 32 3 ⅛ 3 14
54 1780 209.6 217.5 349 1448 1371.6 1492 1632.0 32 3 ⅛ 3 14
56 1855 217.5 225.5 362 1502 1422.4 1543 1695.4 32 3 ⅜ 3 ¼ 16
58 1905 222.3 231.8 370 1553 1473.2 1600 1746.2 32 3 ⅜ 3 ¼ 16
60 1995 233.4 242.9 389 1610 1524.0 1657 1822.4 28 3 ⅝ 3 ½ 17

GENERAL NOTES:
(a)Dimensions are in millimeters.
(b)Blind flanges may be made with or without hubs at the manufacturer’s option.
(c)Dimensions for Classes 400,600,and 900 NPS 38 and larger for Series B flanges are the same as for the Series A flanges.
NOTES:
(1)The minimum flange thickness does not include the raised face thickness.
(2)This dimension is for the large end of hub,which may be straight or tapered.

Haihao Group can provide a variety ASME B16.47 standard flange,as follows:

Features and Benefits

High-Pressure Performance: Engineered to withstand Class 600 pressure, ensuring safety in demanding environments.

Durability: Designed for long-term performance in harsh conditions, including high temperatures and corrosive environments.

Stress Reduction: Weld neck design minimizes stress at the connection point, enhancing the lifespan of the piping system.

Versatility: Available in various materials and sealing face options to meet project-specific requirements.

Corrosion Resistance: Options for stainless steel and specialized coatings ensure durability in corrosive conditions.

Applications

The ASME B16.47 Class 600 Series B Flanges are commonly used in:

  • Oil and Gas Pipelines
  • Petrochemical Plants
  • High-Pressure Steam Systems
  • Power Generation Facilities
  • Marine Engineering

Quality Assurance

Manufacturing Standards:Full compliance with ASME B16.47 specifications.

Testing Procedures:

  • Pressure Testing
  • Ultrasonic Testing (UT), Radiographic Testing (RT), and Magnetic Particle Testing (MT) as required.

Certification and Documentation:

  • Material Test Reports (MTRs)
  • EN 10204 3.1 or 3.2 Certificates available upon request

Why Choose Haihao Group?

With over four decades of experience, Haihao Group is a leading provider of ASME-compliant piping solutions. We specialize in the production of high-quality ASME B16.47 class 600 series B weld neck and blind flanges, offering customized solutions for a wide range of industrial applications.

For more information or to request a quote, contact Haihao Group today. Email:sales@haihaogroup.com

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