0

    F304 4" Raised Face (RF) Hubbed Slip-On Flange (SOH) Stainless Steel 150-2500# ASME B16.5

    Pressure Ratings:
    150 lbs
    300 lbs
    600 lbs
    900 lbs
    1500 lbs
    NPS:
    1/2 "
    3/4"
    1"
    1-1/4"
    1-1/2"
    2"
    2-1/2 "
    3"
    4"
    5"
    6"
    8"
    10"
    12"
    14"
    16"
    18"
    20"
    24"
    Material：:
    304
    304L
    316
    316L
    Custom
    Quantity:
    Contact Now
    add to cart
    ASME B16.5 Hubbed Slip-On Flange (SOH)
    Standard: ASME B16.5
    Material Standard: ASME A182
    Manufacturing Facility Standard: ISO 9001:2015 , GB/T19001-2016
    Certification: Material Test Reports (MTRS) and Certificates of Conformity (COC) are available upon request.

    Product Overview

    F304 4"Raised Face (RF) Hubbed Slip-On Flange (SOH) Stainless Steel 150-2500# ASME B16.5

    The F304 4"Raised Face (RF) Hubbed Slip-On Flange (SOH) Stainless Steel 150-2500# ASME B16.5 is a high-quality industrial piping component manufactured to meet stringent international standards. Designed for critical applications across various industries, this flange offers exceptional performance, reliability, and longevity.

    Our stainless steel flanges are precision-engineered using advanced manufacturing techniques and premium-grade materials. Each flange undergoes rigorous quality control and testing to ensure compliance with dimensional tolerances and pressure ratings specified by international standards.

    Key Features

    • Premium Quality Materials: Manufactured from certified stainless steel grades ensuring excellent corrosion resistance and durability
    • Precision Engineering: CNC machined to exact specifications with tight tolerances meeting international standards
    • Comprehensive Size Range: Available in multiple sizes and pressure ratings to suit various piping applications
    • Industry Compliance: Fully compliant with ASME, EN, DIN, JIS, and other international standards
    • Versatile Applications: Suitable for oil & gas, chemical processing, power generation, water treatment, and other industrial applications
    • Quality Assurance: 100% inspection and testing with comprehensive documentation and traceability
    • Customization Available: Custom manufacturing services available for special requirements and non-standard dimensions
    • Global Supply: Worldwide shipping with experienced logistics support ensuring safe and timely delivery

    Dimensions & Sizes

    hubbed slip on flange

    PipeFlange DataHubRaised FaceDrilling DataWeight
    Nominal Pipe Size A B C D F G H IJ 
    Outside DiameterOverall DiameterInside DiameterFlange Thickness minOverall LengthHub DiameterFace DiameterNumber of HolesBolt Hole DiameterDiameter of Circle of Holeskg/piece
    in mmin mmin mmin mmin mmin mmin mmin mmin mm
    1/20.840 21.303.500 88.900.880 22.400.440 11.200.620 15.701.190 30.201.380 35.1040.620 15.702.380 60.450.39
    3/41.050 26.703.880 98.601.090 27.700.500 12.700.620 15.701.500 38.101.690 42.9040.620 15.702.750 69.850.56
    1 1.315 33.404.250 108.01.360 34.500.560 14.200.690 17.501.940 49.302.000 50.8040.620 15.703.120 79.250.78
    1-1/41.660 42.204.620 117.31.700 43.200.620 15.700.810 20.602.310 58.702.500 63.5040.620 15.703.500 88.901.03
    1-1/21.900 48.305.000 127.01.950 49.500.690 17.500.880 22.402.560 65.002.880 73.1540.620 15.703.880 98.601.32
    2 2.375 60.306.000 152.42.440 62.000.750 19.101.000 25.403.060 77.703.620 91.9040.750 19.104.750 120.72.06
    2-1/22.875 73.007.000 177.82.940 74.700.880 22.401.120 28.403.560 90.404.120 104.640.750 19.105.500 139.73.28
    33.500 88.907.500 190.53.570 90.700.940 23.901.190 30.204.250 108.05.000 127.040.750 19.106.000 152.43.85
    3-1/24.000 101.68.500 215.94.070 103.40.940 23.901.250 31.754.810 122.25.500 139.780.750 19.107.000 177.84.81
    44.500 114.39.000 228.64.570 116.10.940 23.901.310 33.305.310 134.96.190 157.280.750 19.107.500 190.55.3
    55.563 141.310.00 254.05.660 143.80.940 23.901.440 36.606.440 163.67.310 185.780.880 22.408.500 215.96.07
    66.625 168.311.00 279.46.720 170.71.000 25.401.560 39.607.560 192.08.500 215.980.880 22.409.500 241.37.45
    88.625 219.113.50 342.98.720 221.51.120 28.401.750 44.509.690 246.110.62 269.780.880 22.4011.75 298.512.1
    1010.75 273.016.00 406.410.88 276.31.190 30.201.940 49.3012.00 304.812.75 323.9121.000 25.4014.25 362.016.5
    1212.75 323.819.00 482.612.88 327.11.250 31.752.190 55.6014.38 365.315.00 381.0121.000 25.4017.00 431.826.2
    1414.00 355.621.00 533.414.14 359.11.380 35.102.250 57.1515.75 400.116.25 412.8121.120 28.4018.75 476.334.6
    1616.00 406.423.50 596.916.16 410.51.440 36.602.500 63.5018.00 457.218.50 469.9161.120 28.4021.25 539.844.8
    1818.00 457.225.00 635.018.18 461.81.560 39.602.690 68.3019.88 505.021.00 533.4161.250 31.7522.75 577.948.9
    2020.00 508.027.50 698.520.20 513.11.690 42.902.880 73.1522.00 558.823.00 584.2201.250 31.7525.00 635.061.9
    2424.00 609.632.00 812.824.25 616.01.880 47.803.250 82.6026.12 663.427.25 692.2201.380 35.1029.50 749.386.9
    Class150

    Notes -Weights are based on manufacturer’s data and are approximate. -Flat face flanges may be provided at full thickness, C, or with raised face removed (the latter is nonstandard).

    This flange is available in a comprehensive range of sizes and pressure ratings to accommodate diverse piping system requirements. Our manufacturing capabilities allow us to produce both standard and custom dimensions.

    Available Sizes: Wide range from small bore to large diameter

    Pressure Ratings: Multiple pressure classes available (Class 150, 300, 600, 900, 1500, 2500, and PN ratings)

    Connection Types: Suitable for welding, threading, or slip-on connections depending on flange type

    For detailed dimension tables and technical drawings, please contact our technical support team. We can provide comprehensive dimensional specifications according to your required standard (ASME, EN, DIN, JIS, etc.).

    Applications

    This flange is ideal for use in:

    • Oil & Gas Industry: Upstream, midstream, and downstream applications
    • Chemical & Petrochemical: Process piping, reactors, and storage systems
    • Power Generation: Conventional and renewable energy facilities
    • Water Treatment: Municipal and industrial water systems
    • Pharmaceutical: Sanitary process applications
    • Food & Beverage: Hygienic piping systems
    • Marine & Offshore: Shipbuilding and offshore platforms
    • General Industry: Manufacturing, HVAC, and building services

    Quality Assurance

    We maintain the highest standards of quality control throughout the manufacturing process:

    • ISO 9001:2015 certified manufacturing facility
    • 100% material traceability with heat number tracking
    • Comprehensive testing including chemical analysis, mechanical testing, and non-destructive examination
    • Third-party inspection available (TPI, LPI, SGS, BV, etc.)
    • Complete documentation package including MTC 3.1, test certificates, and dimension reports

    FAQ

    1. What materials are used for F304 4"Raised Face?

    Our F304 4"Raised Face is manufactured from high-quality stainless steel grades including F304, F304L, F316, F316L, and other equivalent materials according to international standards. Material certificates are provided with each order.

    2. What standards does this flange comply with?

    This flange is manufactured in compliance with major international standards including ASME B16.5, ASME B16.47, EN 1092-1, DIN standards, JIS B2220, and HG/T standards. We can provide third-party inspection certificates upon request.

    3. What is the delivery time?

    Standard sizes are typically available from stock with 3-7 days delivery. Custom orders require 15-30 days depending on specifications and quantity. Rush orders can be accommodated with additional coordination.

    4. Can you provide custom dimensions?

    Yes, we offer custom manufacturing services. We can produce flanges according to your specific drawings and requirements. Our engineering team can also assist with design optimization.

    5. What quality certifications do you provide?

    We provide comprehensive documentation including Material Test Certificates (MTC), Third-Party Inspection Reports (TPI), Dimension Reports, and Pressure Test Certificates. All products comply with international quality standards.

    Why Choose Our Flanges?

    With decades of experience in manufacturing industrial piping components, we have established ourselves as a trusted supplier of high-quality flanges worldwide. Our commitment to excellence is reflected in:

    • Technical Expertise: Experienced engineering team providing technical support and custom solutions
    • Manufacturing Excellence: State-of-the-art facilities with advanced CNC machining and testing equipment
    • Quality Focus: Rigorous quality control at every stage from raw material to finished product
    • Customer Service: Responsive support team ensuring smooth order processing and after-sales service
    • Competitive Pricing: Direct manufacturer pricing with no intermediary markups
    • On-Time Delivery: Efficient production planning and reliable logistics partnerships

    CONTACT US

    Subscribe to our newsletter to receive the latest information

    Subscribe