3 1/2 Flanges | McMaster-Carr

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System of Measurement

Pipe Size

Material

Stainless Steel

Fitting Type

Flanged Connection Surface

Pressure Class

Number of Bolt Holes

Flange OD

Pipe Schedule

Bolt Circle Diameter

Fitting Connection

Spec Image

Spec Image

For Use With

Shape

Ring with Bolt Holes

Fitting Material

Maximum Steam Pressure @ Temperature

165 psi @ 300° F

230 psi @ 300° F

Connects To

Fabrication

Specifications Met

ID

Bolt Hole Diameter

Bolt Diameter

Thread Type

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

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66 Products

Fluid Handling

Pipe Flanges

Bolt together with a gasket to create an access point within a line

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.)