Couplings for Air | McMaster-Carr

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System of Measurement

Pipe Size

Fitting Type

Expansion Joint

Reducing Adapter

Material

Compressed Non-Asbestos Synthetic Fiber

Stainless Steel

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Gender

Fitting Connection

Pipe Schedule

For Use With

Abrasive Materials

Ball Joint Rod Ends

Dry Abrasive Materials

Medical Gas Blend

Nonabrasive Slurries

Organic Solvents

Pharmaceuticals

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (5% Concentration)

Acetic Acid (White Vinegar) (10% Concentration)

Acetic Acid (White Vinegar) (20% Concentration)

Acetic Acid (White Vinegar) (75% Concentration)

Ammonium Hydroxide

Boron Trifluoride

Calcium Chloride

Carbon Monoxide

Carbonyl Sulfide

Deionized Water

Dichlorotetrafluoroethane

Diesel Exhaust Fluid

Ethylene Glycol

Hydraulic Fluid

Hydraulic Fluid (Petroleum Based)

Hydrochloric Acid

Hydrochloric Acid (10% Concentration)

Hydrochloric Acid (25% Concentration)

Hydrochloric Acid (30% Concentration)

Hydrochloric Acid (37% Concentration)

Hydrofluoric Acid

Hydrogen Bromide

Hydrogen Chloride

Hydrogen Fluoride

Hydrogen Iodide

Hydrogen Peroxide (30% Concentration)

Hydrogen Sulfide

Isopropyl Alcohol

Liquid Carbon Dioxide

Liquid Nitrogen

Magnesium Chloride

Methanol (Methyl Alcohol)

Methyl Chloride

Methyl Ethyl Ketone (MEK)

Methyl Fluoride

Mineral Spirits

Nitric Acid (10% Concentration)

Nitric Acid (20% Concentration)

Nitric Acid (65% Concentration)

Nitrogen Trifluoride

Perfluoropropane

Phosphoric Acid

Phosphoric Acid (70% Concentration)

Phosphoric Acid (85% Concentration)

Potassium Hydroxide

Propylene Glycol

R-12 Refrigerant

R-134A Refrigerant

R-404A Refrigerant

R-407C Refrigerant

R-410A Refrigerant

R-1234yf Refrigerant

Salt Water (30% Concentration)

Silicon Tetrafluoride

Sodium Carbonate (Soda Ash)

Sodium Carbonate (Soda Ash) (20% Concentration in Water)

Sodium Chloride

Sodium Hydroxide (Caustic Soda)

Sodium Hydroxide (Caustic Soda) (20% Concentration)

Sodium Hydroxide (Caustic Soda) (50% Concentration)

Sodium Hypochlorite (Bleach)

Sulfur Hexafluoride

Sulfur Tetrafluoride

Sulfuric Acid (30% Concentration)

Sulfuric Acid (70% Concentration)

Sulfuric Acid (75% Concentration)

Sulfuric Acid (80% Concentration)

Sulfuric Acid (95% Concentration)

Trifluoroethane

Tungsten Hexafluoride

Pipe Material

Stainless Steel

Length

Connects To

Corrugated Pipe

Pressure Class

Flange Material

Stainless Steel

Tube OD

Threading

Threaded on Both Ends

Threaded on One End

Maximum Pressure @ Temperature

100 psi @ 70° F

125 psi @ 70° F

500 psi @ 70° F

2,000 psi @ 70° F

4,000 psi @ 70° 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

Fitting Material

Stainless Steel

OD

Specifications Met

ANSI LC 4/CSA 6.32

Federal Specification

Body Shape

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

How can we improve?

33,924 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

17,124 products

Tube Fittings

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

11,698 products

Tube Fitting Nuts

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

Tube Fitting Sleeves

Tube Fitting Sleeves

Pair with nuts and fittings to form a secure connection on tubing

Tube Fitting Clamps

Tube Fitting Clamps

Quickly secure connections between tube fittings, including sanitary and high-vacuum fittings

Tube Supports

Slip into plastic and rubber tubing to prevent them from collapsing

Tube Fitting Rings

Tube Fitting Rings

Prevent leaks at tubing connection points

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

Tube Fitting Sleeve and Nut Kits

Tube Fitting Sleeve and Nut Kits

Everything you need to create a tight seal between a metal tube and a Yor-Lok fitting

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

Pipe Repair Clamps

Pipe Repair Clamps

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

Tube Repair Clamps

Tube Repair Clamps

Mend small holes, cracks, and full-circle breaks in tubing without dismantling your system

Duct Hose and Fittings

Duct Hose and Fittings

Connect to blowers and vacuums to move air, fumes, dust, chips, and liquids

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

Fastening and Joining

Brazing Rings

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

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

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

Facility and Grounds Maintenance

Air Admittance Valves

Air Admittance Valves

Allow air into drain, waste, and vent systems so you don't have to vent plumbing to the outdoors

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