Rotary Unions | McMaster-Carr

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System of Measurement

Pipe Size

Shape

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Material

Stainless Steel

For Use With

Acetic Acid (White Vinegar) (5% Concentration)

Calcium Chloride

Gender

Tube OD

Fitting Type

Reducing Adapter

Fitting Connection

Grooved-End Clamp On

O-Ring Face Seal

Push to Connect

Quick Disconnect

Flow Direction

Connects To

Railroad Tank Car

Maximum Pressure @ Temperature

25 psi @ 72° F

50 psi @ 72° F

70 psi @ 72° F

75 psi @ 72° F

100 psi @ 72° F

110 psi @ 72° F

120 psi @ 72° F

125 psi @ 72° F

140 psi @ 72° F

145 psi @ 72° F

150 psi @ 72° F

160 psi @ 72° F

190 psi @ 72° F

200 psi @ 72° F

215 psi @ 72° F

220 psi @ 72° F

230 psi @ 72° F

250 psi @ 72° F

Thread Size

Swivel Type

Swivels Until Tightened

Thread Direction

Connection Movement

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 499° F

500° F to 999° F

1,000° F or greater

OD

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

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

REACH

DFARS Specialty Metals

Length

Maximum Vacuum @ Temperature

15 in. Hg @ 72° F

20 in. Hg @ 72° F

24 in. Hg @ 72° F

25 in. Hg @ 72° F

27 in. Hg @ 72° F

28 in. Hg @ 72° F

29 in. Hg @ 72° F

1× 10^-11 Torr @ 72° F

How can we improve?

3,482 Products

Fluid Handling

Rotary Joints

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

Pipe and Fittings

Pipe and Fittings

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

Hose Fittings

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

Hose Nozzle Swivels

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

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

Power Transmission

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Rod End Inserts

Rod End Inserts

Attach to rod ends to increase the amount of misalignment they can handle

U-Joints

Transfer torque between shafts at an angle; handle more torque and misalignment than flexible shafts

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

Mate grease fittings when the sizes and thread types don't match

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