3 1/2 Flanges | McMaster-Carr

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Pipe Size

Fitting Type

Flanged Connection Surface

Material

Stainless Steel

Pressure Class

Number of Bolt Holes

Flange OD

Pipe Schedule

Fitting Material

Shape

Ring with Bolt Holes

For Use With

Fitting Connection

Spec Image

Spec Image

Bolt Circle Diameter

Fabrication

ID

Connects To

OD

For Flange Class

Maximum Steam Pressure @ Temperature

165 psi @ 300° F

230 psi @ 300° F

Specifications Met

Pipe Material

Bolt Diameter

Export Control Classification Number (ECCN)

RoHS

DFARS Specialty Metals

REACH

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57 Products

Fluid Handling

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Fastening and Joining

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Facility and Grounds Maintenance

Floor, Wall, and Ceiling Plates

Floor, Wall, and Ceiling Plates

Add a finishing touch around protruding pipes; also known as escutcheons

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)