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Class 300 Carbon Steel Flanges to Fit IPS Pipe Stub Ends

This line of MARZOLF™ Flanges is designed to mate up with class 300 bolt hole pattern. MARZOLF™ Flanges save money and reduce down time by eliminating the need to cut and reweld piping when installing or replacing Van Stone style flanges. These rings are available with different corrosion resistant coatings including Zinc Electro Plate and E-Coat Epoxy.

Showing all 20 results

    Item # Legacy Part Number Size Inside Diameter (I.D.) Outside Diameter (O.D.) Thickness (T) Bolt Circle (B.C.) Number of Holes Holes Diameter (H.D.) Weight Each
    0050G80-300-IPS 361G80-300-IPS 1/2 in 0.90 in 3-3/4 in 3/4 in 2-5/8 in 4 5/8 in 3 lb
    0075G80-300-IPS 360G80-300-IPS 3/4 in 1.11 in 4-5/8 in 3/4 in 3-1/4 in 4 3/4 in 3 lb
    01G80-300-IPS 357G80-300-IPS 1 in 1.38 in 4-7/8 in 3/4 in 3-1/2 in 4 3/4 in 3 lb
    0125G80-300-IPS 358G80-300-IPS 1-1/4 in 1.72 in 5-1/4 in 3/4 in 3-7/8 in 4 3/4 in 4 lb
    0150G80-300-IPS 359G80-300-IPS 1-1/2 in 1.97 in 6-1/8 in 3/4 in 4-1/2 in 4 7/8 in 6 lb
    10G80-300-IPS 150G80-300-IPS 10 in 10.92 in 17-1/2 in 1-7/8 in 15-1/4 in 16 1-1/8 in 82 lb
    12G80-300-IPS 152G80-300-IPS 12 in 12.92 in 20-1/2 in 1-7/8 in 17-3/4 in 16 1-1/4 in 115 lb
    14G80-300-IPS 184G80-300-IPS 14 in 14.18 in 23 in 2-1/4 in 20-1/4 in 20 1-1/4 in 163 lb
    16G80-300-IPS 175G80-300-IPS 16 in 16.19 in 25-1/2 in 2-1/4 in 22-1/2 in 20 1-3/8 in 220 lb
    18G80-300-IPS 176G80-300-IPS 18 in 18.20 in 28 in 2-1/4 in 24-3/4 in 24 1-3/8 in 280 lb
    02G80-300-IPS 268G80-300-IPS 2 in 2.46 in 6-1/2 in 1 in 5 in 8 3/4 in 7 lb
    0250G80-300-IPS 182G80-300-IPS 2-1/2 in 2.97 in 7-1/2 in 1 in 5-7/8 in 8 7/8 in 10 lb
    20G80-300-IPS 177G80-300-IPS 20 in 20.25 in 30-1/2 in 2-5/8 in 27 in 24 1-3/8 in 325 lb
    24G80-300-IPS 325G80-300-IPS 24 in 24.25 in 36 in 2-5/8 in 32 in 24 1-5/8 in 492 lb
    03G80-300-IPS 172G80-300-IPS 3 in 3.60 in 8-1/4 in 1-1/8 in 6-5/8 in 8 7/8 in 13 lb
    30G80-300-IPS 326G80-300-IPS 30 in 30.25 in 43 in 3-3/8 in 39-1/4 in 28 1-7/8 in 779 lb
    04G80-300-IPS 149G80-300-IPS 4 in 4.60 in 10 in 1-1/2 in 7-7/8 in 8 7/8 in 22 lb
    05G80-300-IPS 292G80-300-IPS 5 in 5.69 in 11 in 1-1/2 in 9-1/4 in 8 7/8 in 28 lb
    06G80-300-IPS 126G80-300-IPS 6 in 6-3/4 in 12-1/2 in 1-1/2 in 10-5/8 in 12 7/8 in 39 lb
    08G80-300-IPS 144G80-300-IPS 8 in 8-3/4 in 15 in 1-1/2 in 13 in 12 1 in 58 lb