1 1/4 Flanges | McMaster-Carr

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System of Measurement

Pipe Size

Material

Stainless Steel

Fitting Type

Reducing Adapter

Fitting Connection

Spec Image

Spec Image

Pressure Class

Pipe Material

Stainless Steel

Flanged Connection Surface

Pipe Schedule

Flange OD

Bolt Circle Diameter

Number of Bolt Holes

Thread Type

Fitting Material

Stainless Steel

Shape

Ring with Bolt Holes

For Use With

Acetic Acid (White Vinegar) (5% Concentration)

Acetic Acid (White Vinegar) (10% Concentration)

Calcium Chloride

Deionized Water

Hydraulic Fluid

Hydrochloric Acid (10% Concentration)

Hydrochloric Acid (25% Concentration)

Nitric Acid (10% Concentration)

Connects To

Specifications Met

Bolt Hole Diameter

For Fitting Schedule

Gender

Maximum Steam Pressure @ Temperature

150 psi @ 300° F

230 psi @ 300° F

300 psi @ 300° F

3,200 psi @ 300° F

125 psi @ 350° F

150 psi @ 350° F

150 psi @ 360° F

300 psi @ 360° F

415 psi @ 360° F

840 psi @ 400° F

5,000 psi @ 500° F

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

How can we improve?

316 Products

Fluid Handling

Pipe Flanges

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

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

Pipe Locknuts

Thread onto the male end of a pipe fitting so it won't loosen from vibration

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Building and Machinery Hardware

Slip-On Framing Rail Ends

Slip-On Framing Rail Ends

Mount slip-on framing structures to floors, walls, and ceilings

Slip-On Framing Rail Supports

Slip-On Framing Rail Supports

Brace long runs of slip-on framing rails, either along walls or through them

Slip-On Framing Connectors

Slip-On Framing Connectors

Tighten onto slip-on framing rails to build guards, railings, and racks

Slip-On Framing Rails

Slip-On Framing Rails

Insert into slip-on fittings and tighten screws to make guards, railings, and racks

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Hydraulic Tank Pipe Suction Flanges

Hydraulic Tank Pipe Suction Flanges

Seal pipes passing through top plates of hydraulic tanks

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

Fastening and Joining

Hex Head Screws

Hex Head Screws

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

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