Home » Product Standards » American Standards » ASME B16.47 Class 150 Series B Flange (Weld Neck and Blind Flange)

ASME B16.47 Class 150 Series B Flange (Weld Neck and Blind Flange)

2024-12-11 16:02:54 Hits:111 American Standards / Product Standards

Haihao Group offers premium ASME B16.47 Class 150 Series B flanges, designed for large-diameter piping systems operating at low to moderate pressure. These flanges are available in both weld neck and blind flange types, ensuring compatibility and reliable performance for a wide range of industrial applications.

Key Features

  1. Standard: ASME B16.47
  2. Pressure Class: 150#
  3. Series B Attributes:
    • Smaller bolt circle diameter and bolt holes compared to Series A, offering cost efficiency.
    • Designed for systems where lighter-duty flanges are appropriate.
  4. Flange Types:
    • Weld Neck Flanges: Ideal for applications requiring a robust, stress-distributing connection.
    • Blind Flanges: Used to seal or terminate piping systems effectively.
  5. Sealing Face Options:
    • Raised Face (RF) for better gasket sealing.
    • Flat Face (FF) for applications with cast iron or other flat-faced components.

Dimensions of ASME B16.47 Class 150 Series B Flange:

Dimension of ASME B16.47 Class 150 Series B Flange

Dimension of ASME B16.47 Class 150 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
26 785 39.8 43.0 87 684 661.9 711 744.5 36 ⅞ ¾ 10
28 835 43.0 46.2 94 735 712.7 762 795.3 40 ⅞ ¾ 10
30 885 43.0 49.3 98 787 763.5 813 846.1 44 ⅞ ¾ 10
32 940 44.6 52.5 106 840 814.3 864 900.1 48 ⅞ ¾ 10
34 1005 47.7 55.7 109 892 865.1 921 957.3 40 1 ⅞ 10
36 1055 50.9 57.3 116 945 915.9 972 1009.6 44 1 ⅞ 10
38 1125 52.5 62.0 122 997 968.2 1022 1070.0 40 1 ⅛ 1 10
40 1175 54.1 65.2 127 1049 1019.0 1080 1120.8 44 1 ⅛ 1 10
42 1225 57.3 66.8 132 1102 1069.8 1130 1171.6 48 1 ⅛ 1 11
44 1275 58.9 70.0 135 1153 1120.6 1181 1222.4 52 1 ⅛ 1 11
46 1340 60.4 73.1 143 1205 1171.4 1235 1284.3 40 1 ¼ 1 ⅛ 11
48 1390 63.6 76.3 148 1257 1222.2 1289 1335.1 44 1 ¼ 1 ⅛ 11
50 1445 66.8 79.5 152 1308 1273.0 1340 1385.9 48 1 ¼ 1 ⅛ 11
52 1495 68.4 82.7 156 1360 1323.8 1391 1436.7 52 1 ¼ 1 ⅛ 11
54 1550 70.0 85.8 160 1413 1374.6 1441 1492.2 56 1 ¼ 1 ⅛ 11
56 1600 71.6 89.0 165 1465 1425.4 1492 1543.0 60 1 ¼ 1 ⅛ 14
58 1675 73.1 91.9 173 1516 1476.2 1543 1611.3 48 1 ⅜ 1 ¼ 14
60 1725 74.7 95.4 178 1570 1527.0 1600 1662.1 52 1 ⅜ 1 ¼ 14

GENERAL NOTES:
(a)Dimensions are in millimeters.
(b)Blind flanges may be made with or without hubs at the manufacturer’s option.
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:

Material Options

  • Carbon Steel: ASTM A105, ASTM A350 LF2
  • Stainless Steel: ASTM A182 F304, F316
  • Alloy Steel: ASTM A182 F11, F22
  • Other Materials: Available based on specific project requirements.

Specifications

  • Sizes: Typically for pipelines with diameters ranging from 26 inches to 60 inches.
  • Applications: Designed to handle moderate pressure and temperature in large-diameter piping systems.
  • Compliance: Strict adherence to ASME B16.47 dimensional and material standards.

Applications

ASME B16.47 Class 150 Series B flanges are widely used in:

  • Water Transmission Lines
  • Low-Pressure Oil and Gas Pipelines
  • Petrochemical Processing
  • Power Generation
  • HVAC Systems

Quality Assurance

At Haihao Group, every flange undergoes rigorous quality control:

  1. Material Certification: Verified against ASTM and ASME specifications.
  2. Dimensional Checks: Ensuring compliance with ASME B16.47 standards.
  3. Non-Destructive Testing (NDT): Includes ultrasonic and magnetic particle inspections.
  4. Pressure and Leakage Testing: Guarantees performance under operating conditions.

Surface Treatment and Packaging

  • Surface Protection: Options include black paint, anti-rust oil, or hot-dip galvanization.
  • Packaging: Securely packed in wooden crates or pallets to ensure safe delivery.
  • Markings: Each flange is labeled with size, pressure class, material grade, and heat number for full traceability.

Why Choose Haihao Group?

  • Decades of Expertise: Over 40 years in the piping industry, serving global markets.
  • Compliance: Products meet ASME, ASTM, ISO, and other international standards.
  • Customization: Flanges can be tailored to specific project needs.
  • Global Reach: Efficient logistics for worldwide delivery.

For more details about ASME B16.47 Class 150 Series B flanges or to request a quote, contact Haihao Group today. We are committed to providing high-quality piping solutions tailored to your industrial requirements. Email:sales@haihaogroup.com

PREV：
NEXT：

RELATED POSTS