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McMaster 44705K236 Low-Pressure 356 Aluminum Pipe Flange, 3 NPT Female, Class 125, ASME B16.1
Original price was: $204.65.$51.16Current price is: $51.16.
Also known as Pressure Class 125 flanges, these are for use in low-pressure applications. Bolt two same-size flanges together with a gasket (sold separately) to create an access point within a line. Flanges are aluminum, which is lightweight with good corrosion resistance.
| Pressure Rating | Low Pressure |
| Shape | Straight |
| Fitting Type | Flange |
| Fitting Connection | NPT Female |
| Pipe Size A | 3 |
| Pipe Size B | 3 |
| Flanged Connection Surface (B) | Flat |
| Flange OD | 7 1/2″ |
| For Bolt Diameter | 5/8″ |
| Bolt Hole Diameter | 3/4″ |
| Number of Bolt Holes | 4 |
| Bolt Circle Diameter | 6″ |
| Pressure Class | 125 |
| Material | 356 Aluminum |
| Maximum Pressure @ Temperature | 150 psi @ 72°F |
| Flange Construction | One Piece |
| For Pipe Schedule | 40 |
| For Use With | Air, Oil, Water |
| Specifications Met | ASME B16.1 |
| Country of Origin | United States |
| DFARS Compliance | Specialty Metals COTS-Exempt |
| ECCN | EAR99 |
| REACH Compliance | REACH (EC 1907/2006) (02/04/2026, 253 SVHC) Compliant |
| RoHS Compliance | RoHS 3 (2015/863/EU) Compliant |
| Schedule B Number | 7609.00.0000 |
| USMCA Qualifying | Yes |
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