Pneumatic Couplings | McMaster-Carr

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System of Measurement

Pipe Size

Tube OD

Fitting Connection

Material

Stainless Steel

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Gender

Connects To

For Use With

Medical Gas Blend

Pharmaceuticals

Acetic Acid (White Vinegar)

Ammonium Hydroxide

Fitting Type

Reducing Adapter

Tube Material

Stainless Steel

Maximum Pressure @ Temperature

133 psi @ 68° F

147 psi @ 68° F

15 psi @ 72° F

20 psi @ 72° F

25 psi @ 72° F

30 psi @ 72° F

40 psi @ 72° F

45 psi @ 72° F

50 psi @ 72° F

60 psi @ 72° F

75 psi @ 72° F

90 psi @ 72° F

100 psi @ 72° F

110 psi @ 72° F

120 psi @ 72° F

125 psi @ 72° F

130 psi @ 72° F

Hose ID

OD

Thread Size

Length

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

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Tube ID

DFARS Specialty Metals

Minimum Temperature

-250° F or less

-249° F to -200° F

-199° F to -50° F

-49° F to -1° F

Greater than 0° F

ID

Quick-Disconnect Component

Plug and Socket Set

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16,589 Products

Fluid Handling

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

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

Hose Ferrules

Crimp on to create a permanent connection between hose and barbed hose fittings

Tube Fittings

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

11,844 products

Tube End Plugs

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

Tube End Caps

Cover the ends of tube to keep out dirt and debris

Air Chucks

Connect air hose to Schrader valves, which are common on tires and hydraulic systems

Hose Crimpers

Crimp ferrules onto hose to secure fittings

Pipe and Pipe Fittings

Pipe and Pipe Fittings

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

On-Off Valves

Start and stop flow through a line

Measuring and Inspecting

Hose Coupling Size-Identification Kits

Hose Coupling Size-Identification Kits

Match your hose coupling to one of the plugs to determine its size without measuring

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