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McMaster 44705K366 Low-Pressure 356 Aluminum Slip-on Weld Pipe Flange, 3 Pipe Size, Class 125, ASME B16.1

McMaster 44705K366 Low-Pressure 356 Aluminum Slip-on Weld Pipe Flange, 3 Pipe Size, Class 125, ASME B16.1

UPC: | Harmonization / Schedule B : 7609.00.0000

Country of Origin: United States | Shipping Weight: 4 lbs

$189.31 - $189.31
$189.31
$189.31 - $189.31
$189.31

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.

Slip-on-Weld Fitting Connection — Slip-on weld flanges have no internal stop; slide a pipe through the flange and weld on both sides.

Pressure Rating Low Pressure
Shape Straight
Fitting Type Flange
Fitting Connection Slip-On Weld 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
Threading Unthreaded
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