Shandong Zhongnuo Heavy Industry Co.,Ltd.
    Location: Home >AWWA Flanges > Industrial AWWA Standard Flanges

    Industrial AWWA Standard Flanges

    Payment Type: L/C,T/T,D/P
    Incoterm: FOB,CFR,CIF,EXW,FCA
    Delivery Time: 30 Days
    Contact Now

    Basic Info


    Model No.: Industrial AWWA Standard Flanges

    Standard: ANSI

    Type: Welding Flange

    Material: Carbon Steel

    Structure: Flanges

    Connection: Welding

    Sealing Surface: FF

    Manufacturing Way: Forging


    Additional Info


    Packaging: poly-pallets, poly-cases

    Productivity: 1200 tons each month

    Brand: Zhongnuo

    Transportation: Ocean,Land,Air

    Place of Origin: Jinan, China

    Supply Ability: 1200 tons each month

    Certificate: ISO9001

    HS Code: 73079100

    Port: Qingdao


    Product Description

    The American Water Works Association was founded on March 29th 1881 by a group of men representing water utilities in Illinois, Indiana, Iowa, Kansas, Kentucky and Tennessee. They worked together to identify uniform requirements for waterworks systems. The original ANSI/AWWA C207 steel pipe flange specification was officially adopted in 1955.

    The AWWA C207 specification covers carbone steel ring type slip on flanges and blind flanges.

    General Information About AWWA Flanges

    AWWA flanges are commonly used in waterworks, wastewater, slurry, plant piping or other light duty applications generally requiring pressures of less than 300 psi. Pressure ratings for AWWA flanges range from the Class B flange rated at 86 psi to Class F flanges, both rated at 300 psi. Class D flanges are by far the most commonly specified among AWWA flange users, and carry a pressure rating of 175 psi for sizes below 12", and 150 psi for sizes 12" and larger.

    The use of AWWA ring type steel flange has long been accepted for steel and concrete piping systems, and more recently with polyethylene piping, as a backup ring. When used with low pressure piping, AWWA flanges can frequently offer the user a cost savings over common forged flanges (typically ANSI B16.5 hub type flanges) which are generally designed for higher pressure applications such as oil, steam, chemical, etc.

    Flange Material

    The AWWA C207 specification does not require a specific grade of steel. Instead it establishes minimum physical and chemical properties as follows:

    • Minimum Tensile : 50,000 psi
    • Minimum Yield : 32,000 psi
    • Elongation : 2" - 18%; 8" - 14"
    • Maximum Carbon : .29%
    • Maximum Phosphorus : .04 %
    • Maximum Sulfur : .05 %

    Frequently used materials might include: ASTM A-36 or ASTM A-283 plate steels or ASTM A181 or A105 forged steel meeting the requirements of AWWA C207.

    Flange Facing

    Flanges shall have a serrated finish of approximately 24 to 55 grooves per inch resulting in a 125-500 RMS surface finish. Serrations may be spiral or concentric. Other types of facings are also available upon request. AWWA flanges are normally supplied as flat faced, unless raised face is specified by customer.

    Drilling Templates

    Drilling templates are in multiples of four so that fittings may be made to face any quarter. Bolt holes straddle the center line. For flanges up to 84" holes are drilled 1/8 inch larger in diameter than the diameter of the bolt. For flanges larger than 84" holes are drilling 3/16" larger than the bolt diameter. Bolt holes may also be oversized by an additional 1/8" to accommodate insulators or to facilitate alignment.

    Flange Marking

    CAB flanges are customarily stamped with the trademark, nominal size, class, material designation and heat.

    Flange Tolerances

    • Inside Diameter : + 1/16" - 0
    • Outside Diameter : +- 1/8"
    • Thickness (18" and smaller) : + 1/8" -0
    • Thickness (20" and larger) : +3/16" -0
    • Bolt Circle Diameter : +- 1/16"
    • Bolt Hole Spacing +- 1/32"

    AWWA C207-13 Class D RING And BLIND FLANGESAWWA C207-13 Class D RING And BLIND FLANGES

    AWWA C207 D-RINGS and BLINDS
    Nominal
    size     		Outside
    Diameter
    (OD)     		Slip-on
    Bore
    (ID)     		No. of
    Bolt
    Holes     		Diameter
    Of
    Holes     		Bolt
    Circle
    (BC)     		Thickness
    (T)     		Weight
    Each
    (lbs)
    Slip-on Blind Slip-on Blind
    4* 9.00 4.57 8 0.750 7.50 0.625 0.625 7.7 10.6
    5* 10.00 5.66 8 0.875 8.50 0.625 0.650 8.6 13.6
    6* 11.00 6.72 8 0.875 9.50 0.688 0.693 10.7 17.7
    8* 13.50 8.72 8 0.875 11.75 0.688 0.812 15.3 31.8
    10* 16.00 10.88 12 1.000 14.25 0.688 0.953 19.2 51.7
    12* 19.00 12.88 12 1.000 17.00 0.812 1.117 33.1 86.7
    14 21.00 14.19 12 1.125 18.75 0.938 1.133 46.8 107.4
    16 23.50 16.19 16 1.125 21.25 1.000 1.265 60.1 149.8
    18 25.00 18.19 16 1.250 22.75 1.062 1.331 63.7 177.7
    20 27.50 20.19 20 1.250 25.00 1.125 1.448 79.5 233.6
    22 29.50 22.19 20 1.375 27.25 1.188 1.568 89.9 290.5
    24 32.00 24.19 20 1.375 29.50 1.250 1.661 111.6 364.5
    26 34.25 26.25 24 1.375 31.75 1.312 1.786 128.1 448.2
    28 36.50 28.25 28 1.375 34.00 1.312 1.906 140.6 542.6
    30 38.75 30.25 28 1.375 36.00 1.375 2.008 163.3 647.3
    32 41.75 32.25 28 1.625 38.50 1.500 2.150 210.0 798.6
    34 43.75 34.25 32 1.625 40.50 1.500 2.252 219.1 916.9
    36 46.00 36.25 32 1.625 42.75 1.625 2.370 259.4 1071.4
    38 48.75 38.25 32 1.625 45.25 1.625 2.506 299.8 1278.2
    40 50.75 40.25 36 1.625 47.25 1.625 2.609 311.1 1440.1
    42 53.00 42.25 36 1.625 49.50 1.750 2.729 361.7 1648.1
    44 55.25 44.25 40 1.625 51.75 1.750 2.849 385.1 1868.2
    46 57.25 46.25 40 1.625 53.75 1.750 2.952 402.2 2083.7
    48 59.50 48.25 44 1.625 56.00 1.875 3.072 457.3 2340.7
    50 61.75 50.25 44 1.875 58.25 2.000 3.196 504.4 2601.9
    52 64.00 52.25 44 1.875 60.50 2.000 3.315 539.1 2907.5
    54 66.25 54.25 44 1.875 62.75 2.125 3.435 610.6 3236.7
    60 73.00 60.25 52 1.875 69.25 2.250 3.779 759.1 4327.6
    66 80.00 66.25 52 1.875 76.00 2.500 4.136 1017.0 5722.2
    72 86.50 72.25 60 1.875 82.50 2.625 4.480 1198.2 7249.0
    78 93.00 78.25 64 2.125 89.00 2.750 NA 1368.9 -
    84 99.75 84.25 64 2.125 95.50 2.875 NA 1639.7 -
    90 106.50 90.25 68 2.375 102.00 3.000 NA 1878.2 -
    96 113.25 96.25 68 2.375 108.50 3.250 NA 2298.4 -
    102 120.00 102.25 72 2.625 114.50 3.250 NA 2494.3 -
    108 126.75 108.25 72 2.625 120.75 3.375 NA 2892.5 -
    114 133.50 114.25 76 2.875 126.75 3.500 NA 3225.2 -
    120 140.25 120.25 76 2.875 132.75 3.500 NA 3568.6 -
    126 147.00 126.25 80 3.125 139.25 3.750 NA 4079.5 -
    132 153.75 132.25 80 3.125 145.75 3.875 NA 4628.6 -
    144 167.25 144.25 84 3.375 158.25 4.125 NA 5698.3 -

    * 4" - 12" are rated 175 PSI; Larger sizes are rated 150 PSI. The purchaser shall specify the ID of the flange if other than standard as shown in table.

    AWWA C207-13 Class E RING And BLIND FLANGES
    AWWA C207 E-RINGS and BLINDS

    Nominal
    size     		Outside
    Diameter
    (OD)     		Slip-on
    Bore
    (ID)     		No. of
    Bolt
    Of
    Holes     		Diameter of
    Holes     		Bolt
    Circle
    (BC)     		Thickness
    (T)     		Weight
    Each
    (lbs)
    Slip-on Blind Slip-on Blind
    4 9.00 4.57 8 0.750 7.50 1.125 1.125 13.9 19.2
    5 10.00 5.66 8 0.875 8.50 1.188 1.188 16.3 24.8
    6 11.00 6.72 8 0.875 9.50 1.313 1.313 20.4 33.6
    8 13.50 8.72 8 0.875 11.75 1.500 1.500 33.4 58.8
    10 16.00 10.88 12 1.000 14.25 1.563 1.563 43.7 84.9
    12 19.00 12.88 12 1.000 17.00 1.750 1.750 71.4 135.9
    14 21.00 14.19 12 1.125 18.75 1.875 1.875 93.7 177.7
    16 23.50 16.19 16 1.125 21.25 2.000 2.000 120.2 236.8
    18 25.00 18.19 16 1.250 22.75 2.125 2.125 127.3 283.7
    20 27.50 20.19 20 1.250 25.00 2.375 2.375 167.8 383.2
    22 29.50 22.19 20 1.375 27.25 2.500 2.500 189.2 463.1
    24 32.00 24.19 20 1.375 29.50 2.625 2.625 234.3 576.1
    26 34.25 26.25 24 1.375 31.75 2.750 2.750 268.4 690.1
    28 36.50 28.25 28 1.375 34.00 2.750 2.750 294.5 782.9
    30 38.75 30.25 28 1.375 36.00 2.875 2.875 341.4 926.8
    32 41.75 32.25 28 1.625 38.50 3.000 3.000 420.0 1114.3
    34 43.75 34.25 32 1.625 40.50 3.000 3.050 438.3 1241.8
    36 46.00 36.25 32 1.625 42.75 3.125 3.209 498.9 1450.7
    38 48.75 38.25 32 1.625 45.25 3.125 3.394 576.5 1731.1
    40 50.75 40.25 36 1.625 47.25 3.250 3.533 622.3 1950.2
    42 53.00 42.25 36 1.625 49.50 3.375 3.695 697.6 2231.5
    44 55.25 44.25 40 1.625 51.75 3.375 3.857 742.7 2529.4
    46 57.25 46.25 40 1.625 53.75 3.438 3.997 790.2 2821.3
    48 59.50 48.25 44 1.625 56.00 3.500 4.159 853.6 3169.0
    50 61.75 50.25 44 1.875 58.25 3.500 4.327 882.7 3522.6
    52 64.00 52.25 44 1.875 60.50 3.625 4.489 977.1 3937.1
    54 66.25 54.25 44 1.875 62.75 3.750 4.651 1077.6 4382.5
    60 73.00 60.25 52 1.875 69.25 3.875 5.116 1307.4 5858.7
    66 80.00 66.25 52 1.875 76.00 4.250 5.601 1729.0 7749.0
    72 86.50 72.25 60 1.875 82.50 4.375 6.066 1997.0 9815.3
    78 93.00 78.25 64 2.125 89.00 4.750 NA 2364.5 -
    84 99.75 84.25 64 2.125 95.50 4.750 NA 2709.1 -
    90 106.50 90.25 68 2.375 102.00 5.125 NA 3208.8 -
    96 113.25 96.25 68 2.375 108.50 5.125 NA 3624.3 -
    102 120.00 102.25 72 2.625 114.50 5.500 NA 4221.1 -
    108 126.75 108.25 72 2.625 120.75 5.500 NA 4713.8 -
    114 133.50 114.25 76 2.875 126.75 5.875 NA 5413.8 -
    120 140.25 120.25 76 2.875 132.75 5.875 NA 5990.1 -
    126 147.00 126.25 80 3.125 139.25 6.250 NA 6799.2 -
    132 153.75 132.25 80 3.125 145.75 6.250 NA 8062.8 -
    144 167.25 144.25 84 3.375 158.25 6.750 NA 9324.4 -

    AWWA C207-13 Class F RING And BLIND FLANGES

    AWWA C207 F-RINGS and BLINDS
    Nominal
    size     		Outside
    Diameter
    (OD)     		Slip-on
    Bore
    (ID)     		No. of
    Bolt
    Holes     		Diameter
    Of
    Holes     		Bolt
    Circle
    (BC)     		Thickness
    (T)     		Weight
    Each
    (lbs)
    Slip-on Blind Slip-on Blind
    4 10.00 4.57 8 0.875 7.88 1.13 1.130 18.4 23.6
    5 11.00 5.66 8 0.875 9.25 1.21 1.210 22.3 30.9
    6 12.50 6.72 12 0.875 10.62 1.31 1.310 29.7 42.9
    8 15.00 8.72 12 1.000 13.00 1.31 1.310 39.9 62.1
    10 17.50 10.88 16 1.125 15.25 1.50 1.500 56.0 95.5
    12 20.50 12.88 16 1.250 17.75 1.63 1.630 83.2 143.4
    14 23.00 14.19 20 1.250 20.25 1.94 1.940 128.0 214.9
    16 25.50 16.19 20 1.375 22.50 2.14 2.140 166.8 291.7
    18 28.00 18.19 24 1.375 24.75 2.25 2.250 204.2 369.8
    20 30.50 20.19 24 1.375 27.00 2.33 2.330 247.4 458.8
    22 33.00 22.19 24 1.375 29.25 2.50 2.500 306.7 580.6
    24 36.00 24.19 24 1.625 32.00 2.69 2.690 387.6 737.9
    26 38.25 26.25 28 1.875 34.50 3.00 3.000 451.0 911.0
    28 40.75 28.25 28 1.875 37.00 3.13 3.130 532.2 1088.0
    30 43.00 30.25 28 1.875 39.25 3.15 3.166 585.7 1233.3
    32 45.25 32.25 28 1.875 41.50 3.25 3.332 657.5 1445.2
    34 47.50 34.25 28 1.875 43.50 3.38 3.475 740.7 1668.6
    36 50.00 36.25 32 2.125 46.00 3.46 3.671 801.9 1924.2
    38 52.25 38.25 32 2.125 48.00 3.50 3.815 874.3 2195.0
    40 54.25 40.25 36 2.125 50.25 3.63 3.982 937.4 2463.8
    42 57.00 42.25 36 2.125 52.75 3.81 4.171 1103.4 2864.7
    44 59.25 44.25 36 2.125 55.00 4.00 4.338 1237.2 3231.9
    46 61.50 46.25 40 2.125 57.25 4.13 4.505 1360.8 3628.7
    48 65.00 48.25 40 2.125 60.75 4.50 4.781 1736.8 4322.1

    The purchaser shall specify the ID of the flange if other than standard as shown in table.

    AWWA C207-13 Class B RING And BLIND FLANGES

    AWWA C207 B-RINGS and BLINDS
    Nominal
    size     		Outside
    Diameter
    (OD)     		Slip-on
    Bore
    (ID)     		No. of
    Bolt
    Holes     		Diameter
    Of
    Holes     		Bolt
    Circle
    (BC)     		Thickness
    (T)     		Weight
    Each
    (lbs)
    Slip-on Blind Slip-on Blind
    4 9.00 4.57 8 0.750 7.50 0.625 0.625 7.7 10.6
    5 10.00 5.66 8 0.875 8.50 0.625 0.625 8.6 13.1
    6 11.00 6.72 8 0.875 9.50 0.688 0.688 10.7 17.6
    8 13.50 8.72 8 0.875 11.75 0.688 0.688 15.3 27.0
    10 16.00 10.88 12 1.000 14.25 0.688 0.688 19.2 37.4
    12 19.00 12.88 12 1.000 17.00 0.688 0.719 28.1 55.8
    14 21.00 14.19 12 1.125 18.75 0.688 0.791 34.4 75.0
    16 23.50 16.19 16 1.125 21.25 0.688 0.892 41.3 105.6
    18 25.00 18.19 16 1.250 22.75 0.688 0.950 41.2 126.8
    20 27.50 20.19 20 1.250 25.00 0.688 1.040 48.6 167.8
    22 29.50 22.19 20 1.375 27.25 0.750 1.132 56.8 209.7
    24 32.00 24.19 20 1.375 29.50 0.750 1.216 67.0 266.9
    26 34.25 26.25 24 1.375 31.75 0.812 1.307 79.3 328.0
    28 36.50 28.25 28 1.375 34.00 0.875 1.398 93.7 398.0
    30 38.75 30.25 28 1.375 36.00 0.875 1.477 103.9 476.1
    32 41.75 32.25 28 1.625 38.50 0.938 1.581 131.3 587.2
    34 43.75 34.25 32 1.625 40.50 0.938 1.661 137.0 676.2
    36 46.00 36.25 32 1.625 42.75 1.000 1.751 159.7 791.6
    38 48.75 38.25 32 1.625 45.25 1.000 1.853 184.5 945.1
    40 50.75 40.25 36 1.625 47.25 1.000 1.933 191.5 1067.0
    42 53.00 42.25 36 1.625 49.50 1.125 2.023 232.5 1221.8
    44 55.25 44.25 40 1.625 51.75 1.125 2.114 247.6 1386.3
    46 57.25 46.25 40 1.625 53.75 1.125 2.194 258.6 1548.6
    48 59.50 48.25 44 1.625 56.00 1.250 2.285 304.9 1741.1
    50 61.75 50.25 44 1.875 58.25 1.250 2.377 315.2 1935.1
    52 64.00 52.25 44 1.875 60.50 1.250 2.468 336.9 2164.6
    54 66.25 54.25 44 1.875 62.75 1.375 2.559 395.1 2411.3
    60 73.00 60.25 52 1.875 69.25 1.500 2.820 506.1 3229.4
    66 80.00 66.25 52 1.875 76.00 1.625 3.092 661.1 4277.8
    72 86.50 72.25 60 1.875 82.50 1.750 3.353 798.8 5425.4
    78 93.00 78.25 64 2.125 89.00 2.000 NA 995.6 -
    84 99.75 84.25 64 2.125 95.50 2.000 NA 1140.7 -
    90 106.50 90.25 68 2.375 102.00 2.250 NA 1408.8 -
    96 113.25 96.25 68 2.375 108.50 2.250 NA 1591.2 -
    102 120.00 102.25 72 2.625 114.50 2.500 NA 1918.7 -
    108 126.75 108.25 72 2.625 120.75 2.500 NA 2142.6 -
    114 133.50 114.25 76 2.875 126.75 2.750 NA 2534.1 -
    120 140.25 120.25 76 2.875 132.75 2.750 NA 2803.9 -
    126 147.00 126.25 80 3.125 139.25 3.000 NA 3263.6 -
    132 153.75 132.25 80 3.125 145.75 3.000 NA 3583.5 -
    144 167.25 144.25 84 3.375 158.25 3.250 NA 4489.5 -

    The purchaser shall specify the ID of the flange if other than standard as shown in table.

    AWWA C207-13 Class D & E STEEL HUB FLANGES

    Note: AWWA dropped hub flanges from the C207 sttandard in 2013. These dimensions are being provided for industry reference.

    AWWA C207 STEEL HUB FLANGES

    Class 2B AWWA Standard Steel Ring Flange Class 2D AWWA Standard Steel Ring Flange Class 4E AWWA Standard Steel Hub Flange
    prevno
    nextno
    ANSI Flanges> ANSI B16.5 Welding Neck Flange
    EN1092-1 Flanges> EN1092-1 Type13/B1 Threaded Flanges
    EN1092-1 Flanges> EN1092-1 Type11/B1 Welding Neck Flanges
    ANSI Flanges> ANSI B16.5 Slip On Flange
    EN1092-1 Flanges> EN1092-1 Type01/A Plate Flanges
    BS10 Flanges> BS10 TABLE D SO Bossed Flanges
    EN1092-1 Flanges> EN1092-1 Type12/B1 Slip On Flanges
    GOST Flanges> Forged GOST12820-80 Plate Flanges
    SANS1123 Flanges> SANS1123 1000/3 Plate Flanges Galv
    JIS B2220 Flanges> JIS 10K Plate Flanges
    Blind Flanges> EN1092-1 Type05/A Blind Flanges
    Galvanized Flanges> Hot Dipped Galvanized Flanges
    Galvanized Flanges> Electro Galvanized Plate Flanges
    Loose Flanges> DIN 2642 PN10 Loose Flange
    Galvanized Flanges> HDPE Backing Ring Flanges
    BS10 Flanges> BS10 TABLE E Screwed Bossed Flanges

    Contact Info

    CONTACT US

    Shandong Zhongnuo Heavy Industry Co.,Ltd.

    Address: Southern Part Of Haidong Industrial Park, Puji Street, Zhangqiu District,Jinan,Shandong

    Contact Person: Eric

    Phone：86-531-83292978

    Fax：86-531-83298668

    Full name Contact Phone Content
    点击刷新验证码
    Nominal
    size     		Outside
    Diameter
    (OD)     		Slip-on
    Bore
    (ID)     		No. of
    Bolt
    Holes     		Diameter
    Of
    Holes     		Bolt
    Circle
    (BC)     		Flange Dimensions
    Class D     		Flange Dimensions
    Class E
    T L E T L E
    4 9.00 4.57 8 0.750 7.50 0.500 0.875 5.312 0.938 1.312 5.312
    5 10.00 5.66 8 0.875 8.50 0.562 1.250 6.312 0.938 1.438 6.438
    6 11.00 6.72 8 0.875 9.50 0.562 1.250 7.562 1.000 1.562 7.562
    8 13.50 8.72 8 0.875 11.75 0.562 1.250 9.688 1.125 1.750 9.688
    10 16.00 10.88 12 1.000 14.25 0.688 1.250 12.000 1.188 1.938 12.000
    12 19.00 12.88 12 1.000 17.00 0.688 1.250 14.375 1.250 2.188 14.375
    14 21.00 14.19 12 1.125 18.75 0.750