3/4 Pipe Size Couplings | McMaster-Carr

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System of Measurement

Fitting Type

Expansion Joint

Reducing Adapter

Material

Compressed Non-Asbestos Synthetic Fiber

Stainless Steel

Shape

Adjustable-Angle Elbow

Side-Outlet Elbow

Side-Outlet Tee

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Gender

Fitting Connection

Push to Connect

Quick Disconnect

Pipe Schedule

Pipe Material

Stainless Steel

For Use With

Pharmaceuticals

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (5% Concentration)

Acetic Acid (White Vinegar) (10% Concentration)

Length

Connects To

Pressure Class

Flange Material

Stainless Steel

Threading

Threaded on Both Ends

Threaded on One End

Maximum Pressure @ Temperature

0.5 psi @ 72° F

15 psi @ 72° F

20 psi @ 72° F

30 psi @ 72° F

35 psi @ 72° F

50 psi @ 72° F

55 psi @ 72° F

60 psi @ 72° F

70 psi @ 72° F

75 psi @ 72° F

90 psi @ 72° F

100 psi @ 72° F

120 psi @ 72° F

125 psi @ 72° F

140 psi @ 72° F

145 psi @ 72° F

150 psi @ 72° F

Fitting Material

Stainless Steel

Body Shape

OD

Specifications Met

British Standard

Federal Specification

ID

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

How can we improve?

4,766 Products

Fluid Handling

Pipe and Pipe Fittings

Pipe and Pipe Fittings

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

Hose Fittings

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

Hose Fitting Nuts

Hose Fitting Nuts

Connect fittings and compressed-gas nipples to pressure regulators and torches

Hose End Caps

Cover the ends of hose to keep out dirt and debris

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

Tube Fitting Rings

Tube Fitting Rings

Prevent leaks at tubing connection points

Pipe Repair Clamps

Pipe Repair Clamps

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

Orifice Valves

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

On-Off Valves

Start and stop flow through a line

Float Valve Bodies

Float Valve Bodies

Pair with floats and rods to create float valves that meet your needs

Valve Union Fittings

Valve Union Fittings

Mating parts join valves to a line for quick connection and removal

Electrical

Conduit-to-Conduit Connectors

Conduit-to-Conduit Connectors

Join pieces of conduit

Conduit Box Connectors

Conduit Box Connectors

Attach conduit to a knockout in electrical boxes

Conduit

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Building and Machinery Hardware

Slip-On Framing and Fittings

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Brazing Rings

Snap into metal pipe and tubing to form leak-resistant joints more quickly than with hand-fed alloys

Power Transmission

Shaft Collar Adapters

Shaft Collar Adapters

Sized specifically to adapt standard shaft collars to pipe, creating a tight fit

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