4 Pipe Size Fittings | McMaster-Carr

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System of Measurement

Material

Stainless Steel

Shape

Cut-to-Angle Elbow

Pipe Schedule

Fitting Connection

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Socket-Connect Union

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Fitting Type

Expansion Joint

Reducing Adapter

Pipe Material

Stainless Steel

Flange Material

Stainless Steel

Gender

Length

For Use With

Abrasive Materials

Nonabrasive Slurries

OD

Thread Type

Elbow Type

Pressure Class

Threading

Threaded on Both Ends

Threaded on One End

ID

For Flange Class

Connects To

Corrugated Pipe

Color

Fitting Material

Stainless Steel

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

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1,507 Products

Fluid Handling

Pipe Fittings

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

Pipe Nipples and Pipe

Pipe Nipples and Pipe

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Pipe Flanges

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

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

Pipe Plugs

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

Pipe Fitting Clamps

Pipe Fitting Clamps

Connect easy-access and grooved-end pipe fittings to pipe

Expansion Joints

Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

Pipe Locknuts

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

Pipe Bleed Rings

Pipe Bleed Rings

Access inside a pipe line to vent pressure, drain liquid, and take samples

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

Tube and Tube Fittings

Tube and Tube Fittings

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

Pipe Repair Clamps

Pipe Repair Clamps

Fix small holes and cracks in pipe without taking your system apart

Pipeline Fluid Blockers

Pipeline Fluid Blockers

Temporarily block the flow between pipe flanges as you work downstream; also known as paddle blinds

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

Expansion Plugs

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

On-Off Valves

Start and stop flow through a line

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

Building and Machinery Hardware

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Facility and Grounds Maintenance

Drain Cleanouts

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

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