3/4 Pipe Size Connectors | McMaster-Carr

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Product Family

Abrasive Blasting Nozzle Couplings

Air-Actuated On/Off Valves

Appliance Hose and Fittings

Compressed Air Filter/Regulator/Lubricator Manifolds

Conduit and Fittings

Coolant Hose and Fittings

Drum Plug Gaskets

Fire Hose and Fittings

Float Valve Bodies

Grease Fittings

System of Measurement

Material

Stainless Steel

Fitting Type

Expansion Joint

Reducing Adapter

Thread Type

Fitting Connection

Push to Connect

Quick Disconnect

Gender

Connects To

For Use With

Pharmaceuticals

Pipe Schedule

Length

Conduit Trade Size

Pipe Material

Stainless Steel

Maximum Pressure @ Temperature

110 psi @ -350° F

1,800 psi @ 0° F

2,000 psi @ 50° F

50 psi @ 70° F

100 psi @ 70° F

110 psi @ 70° F

120 psi @ 70° F

125 psi @ 70° F

130 psi @ 70° F

145 psi @ 70° F

150 psi @ 70° F

175 psi @ 70° F

180 psi @ 70° F

200 psi @ 70° F

225 psi @ 70° F

230 psi @ 70° F

235 psi @ 70° F

Threading

Threaded on Both Ends

Threaded on One End

Conduit Connection

OD

Pressure Class

Tube OD

Flange Material

Stainless Steel

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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5,863 Products

Most Likely Products

Pipe and Fittings

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

Conduit and Fittings

Conduit and Fittings

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

Tube Fittings

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

Hose Fittings

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

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

All Results

Fluid Handling

Pipe and Fittings

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

Rotary Joints

Transfer air, water, oil, and steam from supply lines to continuously revolving drums and rollers

Pipe Collars

Clamp pipe passing through floors and walls

Pipe Traps

Create a seal that prevents the backflow of gas

Pipe Expansion Joints

Pipe Expansion Joints

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

Pipe Stub Ends

Connect a pipe flange to a pipe without needing to weld it in place

Tube Fittings

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

Hose Fittings

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

Hose

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

Junction Blocks

Junction Blocks

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

Manual On/Off Valves

Manual On/Off Valves

Start and stop flow through a line

Propane Tank Valves

Propane Tank Valves

Start and stop the flow of propane from a tank

Orifice Valves

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

Float Valve Bodies

Float Valve Bodies

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

Motor-Actuated On/Off Valves

Motor-Actuated On/Off Valves

An electric motor handles higher flow rates and pressures than solenoid valves

Air-Actuated On/Off Valves

Air-Actuated On/Off Valves

Operate on compressed air to start and stop flow faster than motor-driven valves

Solenoid On/Off Valves

Solenoid On/Off Valves

A solenoid withstands rapid cycling for applications with frequent opening and closing

Valve Union Fittings

Valve Union Fittings

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

Sampling Valves

Sampling Valves

Drain a small amount of liquid or gas for inspection without disrupting flow

Liquid-Dispensing Metering Valves

Liquid-Dispensing Metering Valves

Program to dispense a specific amount of liquid every time and shut off when set amount is reached

Thermocouple Connectors

Thermocouple Connectors

Join thermocouple probes and wire to thermometers and control panels

Thermocouple and RTD Connection Heads

Thermocouple and RTD Connection Heads

Seal out dust and moisture and allow access to thermocouple and RTD sensor connections

Pressure Test Fittings

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

Flowmeter Tees

Pair with a sensor and a display to measure a liquid's flow in hard-to-access areas

Flow Sights

Visually confirm flow and inspect liquid color and clarity

Electrical Power, Networking, and Controlling

Conduit and Fittings

Conduit and Fittings

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

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

Metric Circular Receptacles

Metric Circular Receptacles

Install in walls and panels and pair with plugs to make metric connections

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

Grommets

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

Safety Equipment

Fire Hose Fittings

Fire Hose Fittings

Mount your fire hose to hydrants and washdown equipment, or join lengths of hose

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Brazing Rings

Snap into unthreaded pipe fittings for an extra-strong, leak-resistant connection

Facility and Grounds Maintenance

Appliance Hose

Connect water heaters, washing machines, and other appliances to a supply or drain line

Containers, Storage, and Furniture

Drum Faucets

Control the flow of liquid from drums, tanks, carboys, and other containers

Drum Plugs

Seal drum lid openings

Lubricating

Coolant Hose and Fittings

Coolant Hose and Fittings

Build a custom system to deliver coolant, cutting oil, water, or air in any direction

Grease Fittings

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

Fabricating and Machining

Abrasive Blasting Nozzle Couplings

Abrasive Blasting Nozzle Couplings

Secure your blasting nozzle to your hose

Power Transmission

Shaft Collar Adapters

Shaft Collar Adapters

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

Compressed Air Filter/Regulator/Lubricator Manifolds

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

Hydraulic On/Off Valves

Hydraulic On/Off Valves

Control the flow in high-pressure hydraulic systems

Material Handling

Beam Clamps

Secure lines of pipe and duct, overhead equipment, and lighting fixtures to beam flanges

Sealing

Drum Plug Gaskets

Drum Plug Gaskets

Form a tighter seal in drum openings than with a drum plug alone

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