Cast Iron Flanges - ASME/ANSI Class 250
ASME/ANSI B16.1 Cast Iron Pipe Flanges and Flanged Fittings - Class 250 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts.
ASME/ANSI B16.1 - 1998 - Cast Iron Pipe Flanges and Flanged Fittings - Class 250 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts:
Pipe Size (inches) | Outside Diameter (inches) | Number of Bolt Holes | Bolt Hole Diameter (inches) | Bolt Circle (inches) |
---|---|---|---|---|
1 | 4-7/8 | 4 | 3/4 | 3-1/2 |
1-1/4 | 5-1/4 | 4 | 3/4 | 3-7/8 |
1-1/2 | 6-1/8 | 4 | 7/8 | 4-1/2 |
2 | 6-1/2 | 8 | 3/4 | 5 |
2-1/2 | 7-1/2 | 8 | 7/8 | 5-7/8 |
3 | 8-1/4 | 8 | 7/8 | 6-5/8 |
3-1/2 | 9 | 8 | 7/8 | 7-1/4 |
4 | 10 | 8 | 7/8 | 7-7/8 |
5 | 11 | 8 | 7/8 | 9-1/4 |
6 | 12-1/2 | 12 | 7/8 | 10-5/8 |
8 | 15 | 12 | 1 | 13 |
10 | 17-1/2 | 16 | 1-1/8 | 15-1/4 |
12 | 20-1/2 | 16 | 1-1/4 | 17-3/4 |
14 | 23 | 20 | 1-1/4 | 20-1/4 |
16 | 25-1/2 | 20 | 1-3/8 | 22-1/2 |
18 | 28 | 24 | 1-3/8 | 24-3/4 |
20 | 30-1/2 | 24 | 1-3/8 | 27 |
24 | 36 | 24 | 1-5/8 | 32 |
30 | 43 | 28 | 2 | 39-1/4 |
36 | 50 | 32 | 2-1/4 | 46 |
42 | 57 | 36 | 2-1/4 | 52-3/4 |
48 | 65 | 40 | 2-1/4 | 60-3/4 |
- 1 inch = 25.4 mm
Related Topics
-
Piping Systems
Calculate dimensions of pipes and tubes. Pressure drop calculations and head loss charts. Use of different piping materials. Insulation of pipes and tubes and heat loss diagrams.
Related Documents
-
ANSI - American National Standards Institute
ANSI provides a forum for development of American national standards. -
ASME - American Society of Mechanical Engineers
ASME is one of the leading organizations in the world developing codes and standards. -
ASME/ANSI B16 Standards for Pipes and Fittings
The ASME B16 standards covers pipes and fittings in cast iron , cast bronze, wrought copper and steel. -
Cast Iron
The four basic types of cast iron - white iron, gray iron, ductile iron and malleable iron. -
Cast Iron Flanged Pipe Fittings - Working Pressures vs. Temperature
Maximum working pressures for cast iron flanged pipe fittings according ANSI B16.1. -
Cast Iron Flanges - ASME/ANSI Class 125
ASME/ANSI B16.1 Cast Iron Pipe Flanges and Flanged Fittings - Class 125 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts. -
Cast Iron Flanges - ASME/ANSI Class 25
ASME/ANSI B16.1 - 1998 - Cast Iron Pipe Flanges and Flanged Fittings - Class 25 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts. -
Cast Iron Flanges - Stud Reference Chart
The number, diameter and length of studs for cast iron flanges class 125 and 250. -
Cast Iron Soil Pipes - Dimensions
Dimensions of cast iron soil pipes. -
Cast Iron Threaded Pipe Fittings - Working Pressures vs. Temperature
Maximum working pressures for cast iron threaded pipe fittings according ANSI B16.4.