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 in different alloys including T-304L stainless steel.
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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

0050T316-300-IPS N/A 3612-300-IPS N/A 1/2 in N/A 0.90 in N/A 3-3/4 in N/A 3/4 in N/A 2-5/8 in N/A 4 N/A 5/8 in N/A 3 lb
0075T316-300-IPS N/A 3602-300-IPS N/A 3/4 in N/A 1.11 in N/A 4-5/8 in N/A 3/4 in N/A 3-1/4 in N/A 4 N/A 3/4 in N/A 3 lb
01T316-300-IPS N/A 3572-300-IPS N/A 1 in N/A 1.38 in N/A 4-7/8 in N/A 3/4 in N/A 3-1/2 in N/A 4 N/A 3/4 in N/A 3 lb
0125T316-300-IPS N/A 3582-300-IPS N/A 1-1/4 in N/A 1.72 in N/A 5-1/4 in N/A 3/4 in N/A 3-7/8 in N/A 4 N/A 3/4 in N/A 4 lb
0150T316-300-IPS N/A 3592-300-IPS N/A 1-1/2 in N/A 1.97 in N/A 6-1/8 in N/A 3/4 in N/A 4-1/2 in N/A 4 N/A 7/8 in N/A 6 lb
02T316-300-IPS N/A 2682-300-IPS N/A 2 in N/A 2.46 in N/A 6-1/2 in N/A 1 in N/A 5 in N/A 8 N/A 3/4 in N/A 7 lb
0250T316-300-IPS N/A 1822-300-IPS N/A 2-1/2 in N/A 2.97 in N/A 7-1/2 in N/A 1 in N/A 5-7/8 in N/A 8 N/A 7/8 in N/A 10 lb
03T316-300-IPS N/A 1722-300-IPS N/A 3 in N/A 3.60 in N/A 8-1/4 in N/A 1-1/8 in N/A 6-5/8 in N/A 8 N/A 7/8 in N/A 13 lb
04T316-300-IPS N/A 1492-300-IPS N/A 4 in N/A 4.60 in N/A 10 in N/A 1-1/2 in N/A 7-7/8 in N/A 8 N/A 7/8 in N/A 22 lb
05T316-300-IPS N/A 2922-300-IPS N/A 5 in N/A 5.69 in N/A 11 in N/A 1-1/2 in N/A 9-1/4 in N/A 8 N/A 7/8 in N/A 28 lb
06T316-300-IPS N/A 1262-300-IPS N/A 6 in N/A 6-3/4 in N/A 12-1/2 in N/A 1-1/2 in N/A 10-5/8 in N/A 12 N/A 7/8 in N/A 39 lb
08T316-300-IPS N/A 1442-300-IPS N/A 8 in N/A 8-3/4 in N/A 15 in N/A 1-1/2 in N/A 13 in N/A 12 N/A 1 in N/A 58 lb
10T316-300-IPS N/A 1502-300-IPS N/A 10 in N/A 10.92 in N/A 17-1/2 in N/A 1-7/8 in N/A 15-1/4 in N/A 16 N/A 1-1/8 in N/A 82 lb
12T316-300-IPS N/A 1522-300-IPS N/A 12 in N/A 12.92 in N/A 20-1/2 in N/A 1-7/8 in N/A 17-3/4 in N/A 16 N/A 1-1/4 in N/A 115 lb
14T316-300-IPS N/A 1842-300-IPS N/A 14 in N/A 14.18 in N/A 23 in N/A 2-1/4 in N/A 20-1/4 in N/A 20 N/A 1-1/4 in N/A 163 lb
16T316-300-IPS N/A 1752-300-IPS N/A 16 in N/A 16.19 in N/A 25-1/2 in N/A 2-1/4 in N/A 22-1/2 in N/A 20 N/A 1-3/8 in N/A 220 lb
18T316-300-IPS N/A 1762-300-IPS N/A 18 in N/A 18.20 in N/A 28 in N/A 2-1/4 in N/A 24-3/4 in N/A 24 N/A 1-3/8 in N/A 280 lb
20T316-300-IPS N/A 1772-300-IPS N/A 20 in N/A 20.25 in N/A 30-1/2 in N/A 2-5/8 in N/A 27 in N/A 24 N/A 1-3/8 in N/A 325 lb
24T316-300-IPS N/A 3252-300-IPS N/A 24 in N/A 24.25 in N/A 36 in N/A 2-5/8 in N/A 32 in N/A 24 N/A 1-5/8 in N/A 492 lb
30T316-300-IPS N/A 3262-300-IPS N/A 30 in N/A 30.25 in N/A 43 in N/A 3-3/8 in N/A 39-1/4 in N/A 28 N/A 1-7/8 in N/A 779 lb
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