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    Stainless Steel Blind Flange

    • MaterialStainless Steel, Carbon Steel, Alloy Steel, Copper Alloy Steel, Nickel Alloy
    • Size1/2 Inch (15 NB) to 48 Inches (1200NB)
    • Flange Face TypeFlate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
    • Packagingsleeved into plastic bag individually, ten pieces wrapped with water-proof material, bundled with nylon rope
    • ApplicationsBoilers Industry, Power Plants Industry, Nuclear Plants Industry, Oil & Gas Industry, Refineries Industry, Ship Building Industry, Heat Exchanger Industry, Condensers Industry, Paper & Pulp Industry
    • Supply TypeManufacturer, Exporter, Supplier, Retailer, Trader
    • Preferred Buyer Location All over the world
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    Company Information

    • calendar Member Since 21 Years
    • building Nature of Business Retailer

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    Product Details no_img_icon

    • Size1/2 Inch (15 NB) to 48 Inches (1200NB)
    • MaterialStainless Steel, Carbon Steel, Alloy Steel, Copper Alloy Steel, Nickel Alloy
    • Flange Face TypeFlate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
    • Packagingsleeved into plastic bag individually, ten pieces wrapped with water-proof material, bundled with nylon rope
    • ApplicationsBoilers Industry, Power Plants Industry, Nuclear Plants Industry, Oil & Gas Industry, Refineries Industry, Ship Building Industry, Heat Exchanger Industry, Condensers Industry, Paper & Pulp Industry

    Dimensions of Blind Flange
    ANSI/ASME/ASA B16.5 150lb/sq.in. Flange BLIND-RF
    ø D b g k Holes l Kg.
    1/2" 88,9 11,1 34,9 60,3 4 15,9 0,400
    3/4" 98,4 12,7 42,9 69,8 4 15,9 0,700
    1" 107,9 14,3 50,8 79,4 4 15,9 0,900
    1 1/4" 117,5 15,9 63,5 88,9 4 15,9 1,300
    1 1/2" 127,0 17,5 73,0 98,4 4 15,9 1,600
    2" 152,4 19,0 92,1 120,6 4 19,0 2,600
    2 1/2" 177,8 22,2 104,8 139,4 4 19,0 4,100
    3" 190,5 23,8 127,0 152,4 4 19,0 5,000
    3 1/2" 215,9 23,8 139,7 177,8 8 19,0 6,400
    4" 228,6 23,8 157,2 190,5 8 19,0 7,100
    5" 254,0 23,8 185,7 215,9 8 22,2 9,000
    6" 279,4 25,4 215,9 241,3 8 22,2 11,800
    8" 342,9 28,6 269,9 298,4 8 22,2 21,000
    10" 406,4 30,2 323,4 361,9 12 25,4 30,000
    12" 482,6 31,7 381,0 431,8 12 25,4 45,000
    14" 533,4 34,9 412,7 476,2 12 28,6 59,000
    16" 596,9 36,5 469,9 539,9 16 28,6 79,000
    18" 635,0 39,7 533,4 577,8 16 31,7 97,000
    20" 698,5 42,9 584,2 635,0 20 31,7 124,000
    22" 749,3 46,0 641,2 692,1 20 34,9 151,000
    24" 812,8 47,6 692,1 749,3 20 34,9 188,000

     

    ANSI/ASME/ASA B16.5 300lb/sq.in. Flange BLIND-RF
    ø D b g k Holes l Kg.
    1/2" 95,2 14,3 34,9 66,7 4 15,9 0,700
    3/4" 117,5 15,9 42,9 82,5 4 19,0 1,200
    1" 123,8 17,5 50,8 88,9 4 19,0 1,500
    1 1/4" 133,3 19,0 63,5 98,4 4 19,0 2,000
    1 1/2" 155,6 20,6 73,0 114,3 4 22,2 2,900
    2" 165,1 22,2 92,1 127,0 8 19,0 3,400
    2 1/2" 190,5 25,4 104,8 149,2 8 22,2 5,100
    3" 209,5 28,6 127,0 168,3 8 22,2 7,000
    3 1/2" 228,6 30,2 139,7 184,1 8 22,2 8,900
    4" 254,0 31,7 157,2 200,0 8 22,2 11,800
    5" 279,4 34,9 185,7 234,9 8 22,2 15,500
    6" 317,5 36,5 215,9 269,9 12 22,2 21,300
    8" 381,0 41,3 269,9 330,2 12 25,4 35,200
    10" 444,5 47,6 323,8 387,3 16 28,6 57,000
    12" 520,7 50,8 381,0 450,8 16 31,7 82,000
    14" 584,2 54,0 412,7 514,3 20 31,7 106,000
    16" 647,7 57,1 469,9 571,5 20 34,9 140,000
    18" 711,2 60,3 533,4 628,6 24 34,9 178,000
    20" 774,7 63,5 584,2 685,8 24 34,9 223,000
    22" 838,2 66,7 641,2 742,9 24 41,3 270,000
    24" 914,4 69,8 692,1 812,8 24 41,3 345,000

     

    ANSI/ASME/ASA B16.5 600lb/sq.in. Flange BLIND-RF
    ø D b g k Holes l Kg.
    1/2" 95,2 14,3 34,9 66,7 4 15,9 0,700
    3/4" 117,5 15,9 42,9 82,5 4 19,0 1,200
    1" 123,8 17,5 50,8 88,9 4 19,0 1,500
    1 1/4" 133,3 20,6 63,5 98,4 4 19,0 2,000
    1 1/2" 155,6 22,2 73,0 114,3 4 22,2 3,200
    2" 165,1 25,4 92,1 127,0 8 19,0 4,300
    2 1/2" 190,5 28,6 104,8 149,2 8 22,2 6,000
    3" 209,5 31,7 127,0 168,3 8 22,2 8,000
    3 1/2" 228,6 34,9 139,7 184,1 8 25,4 10,500
    4" 273,0 38,1 157,2 215,9 8 25,4 18,000
    5" 330,2 44,4 185,7 266,7 8 28,6 28,500
    6" 355,6 47,6 215,9 292,1 12 28,6 35,500
    8" 419,1 55,6 269,9 349,2 12 31,7 58,000
    10" 508,0 63,5 323,8 431,8 16 34,9 98,000
    12" 558,8 66,7 381,0 488,9 20 34,9 125,000
    14" 603,2 69,8 412,7 527,0 20 38,1 151,000
    16" 685,8 76,2 469,9 603,2 20 41,3 215,000
    18" 742,9 82,5 533,4 654,0 20 44,4 287,000
    20" 812,8 88,9 584,2 723,9 24 44,4 366,000
    22" 869,9 95,2 641,2 777,9 24 47,6 437,000
    24" 939,8 101,6 692,1 838,2 24 50,8 532,000

     

    Dimensional Tolerances of Blind Flange ASME B16.5

    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











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