3 1/2 Flanges | McMaster-Carr

Filter by

System of Measurement

Pipe Size

Flanged Connection Surface

Fitting Type

Material

Stainless Steel

Pressure Class

Number of Bolt Holes

Fitting Connection

Spec Image

Spec Image

Flange OD

Bolt Circle Diameter

Fitting Material

Shape

Ring with Bolt Holes

Pipe Schedule

For Use With

Low Stress-to-Seal Flanges

Maximum Steam Pressure @ Temperature

165 psi @ 300° F

230 psi @ 300° F

Fabrication

ID

Bolt Hole Diameter

Thread Type

Gender

Specifications Met

OD

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

How can we improve?

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.)