3/4 Unions | McMaster-Carr

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Fitting Type

Expansion Joint

Reducing Adapter

System of Measurement

Pipe Size

Material

Stainless Steel

Thread Type

Pipe Schedule

For Use With

Calcium Chloride

Hydraulic Fluid

Pipe Material

Stainless Steel

Shape

Fitting Connection

Spec Image

Pressure Class

Gender

Connects To

Flange Material

Stainless Steel

Maximum Pressure @ Temperature

125 psi @ 72° F

150 psi @ 72° F

200 psi @ 72° F

230 psi @ 72° F

240 psi @ 72° F

250 psi @ 72° F

300 psi @ 72° F

400 psi @ 72° F

600 psi @ 72° F

1,000 psi @ 72° F

2,900 psi @ 72° F

3,000 psi @ 72° F

6,000 psi @ 72° F

3,000 psi @ 100° F

Body Shape

For Flange Class

Copper Tube Size

Fitting Material

Maximum Steam Pressure @ Temperature

150 psi @ 350° F

650 psi @ 350° F

1,900 psi @ 350° F

2,000 psi @ 350° F

150 psi @ 360° F

300 psi @ 360° F

125 psi @ 400° F

200 psi @ 425° F

230 psi @ 550° F

1,500 psi @ 700° F

DFARS Specialty Metals

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

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

How can we improve?

85 Products

Fluid Handling

Pipe Unions

Separate into three pieces so you can access your line without unthreading pipe connections

Pipe Expansion Joints

Pipe Expansion Joints

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

Tube Unions

Separate into three pieces so you can access your line without unthreading tube connections

Electrical Power, Networking, and Controlling

Conduit Straights

Conduit Straights

Join conduit of different sizes and types, or attach conduit to a knockout in electrical boxes

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