Valves for Air | McMaster-Carr

Filter by

System of Measurement

Pipe Size

Body Material

Stainless Steel

For Use With

Flammable Vapors

Shut-Off Valves

Solid Particles

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (20% Concentration)

Aluminum Chloride

Argon/Carbon Dioxide Blend

Black Beauty Grit

Citric Acid (25% Concentration)

Citric Acid (50% Concentration)

Citric Acid (100% Concentration)

Diesel Exhaust Fluid

Ethylene Glycol

Hydraulic Fluid

Hydraulic Fluid (Petroleum Based)

Hydrochloric Acid

Hydrochloric Acid (37% Concentration)

Hydrogen Peroxide

Hydrogen Peroxide (30% Concentration)

Isopropyl Alcohol

Liquid Carbon Dioxide

Liquid Natural Gas

Liquid Nitrogen

Magnesium Chloride

Methanol (Methyl Alcohol)

Methyl Ethyl Ketone (MEK)

Mineral Spirits

Nitric Acid (20% Concentration)

Nitric Acid (25% Concentration)

Nitric Acid (50% Concentration)

Nitric Acid (100% Concentration)

Phosphoric Acid

Phosphoric Acid (70% Concentration)

Potassium Chloride

Potassium Hydroxide

Potassium Sulfate

Silicon Carbide Grit

Sodium Bicarbonate (Baking Soda)

Sodium Carbonate (Soda Ash)

Sodium Chloride

Sodium Hydroxide (Caustic Soda)

Sodium Hydroxide (Caustic Soda) (20% Concentration)

Sodium Hydroxide (Caustic Soda) (25% Concentration)

Sodium Hydroxide (Caustic Soda) (50% Concentration)

Sodium Hydroxide (Caustic Soda) (75% Concentration)

Sodium Hydroxide (Caustic Soda) (100% Concentration)

Sodium Hypochlorite (Bleach)

Stainless Steel Shot

Sulfuric Acid (75% Concentration)

Toluene (Methylbenzene)

Fitting Connection

Grooved-End Clamp On

Push to Connect

Quick Disconnect

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Actuation

Electric (Solenoid)

Handle Style

Shape

Double 90° Elbow

Connects To

Handle Type

Flow Indicating

Lockable with Ratchet Opening

Standard with Ratchet Opening

Maximum Pressure @ Temperature

150 psi @ 60° F

400 psi @ 60° F

15 psi @ 65° F

50 psi @ 65° F

15 psi @ 70° F

25 psi @ 70° F

30 psi @ 70° F

40 psi @ 70° F

50 psi @ 70° F

60 psi @ 70° F

80 psi @ 70° F

85 psi @ 70° F

90 psi @ 70° F

95 psi @ 70° F

100 psi @ 70° F

115 psi @ 70° F

120 psi @ 70° F

Gender

Tube OD

3/8" to 1 5/16"

Valve Function

Backflow Prevention

Back-Pressure Regulation

Flow Adjustment

Pressure Regulation

Pressure Relief

Vacuum Regulation

Valve Type

Back-Pressure Regulator

Pressure Drop Assisted

Pressure Regulator

Material

Compressed Non-Asbestos Synthetic Fiber

Stainless Steel

Ball Material

Stainless Steel

Port Type

Maximum Temperature

Less than 100° F

100° F to 199° F

200° F to 249° F

250° F to 499° F

500° F or greater

Pressure Class

End-to-End Length

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

7,077 Products

Fluid Handling

On-Off Valves

Start and stop flow through a line

Flow-Adjustment Valves

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids through a line

Flow-Adjustment Valve Manifolds

Flow-Adjustment Valve Manifolds

Control flow to multiple points from one source

Diverting Valves

Diverting Valves

Redirect flow between ports

Check Valves

Permit flow in only one direction by closing when flow stops or reverses

Valve Bodies

Attach to actuators to automatically or manually control flow in your line

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

Orifice Valves

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

Tap Valves

Pierce copper tubing for a secondary line to humidifiers and ice makers; also known as saddle valves

Vacuum Breakers

Vacuum Breakers

When pressure drops, vents open to prevent suction from drawing liquid back upstream

Backflow-Prevention Valves

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

Pressure-Relief Valves

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

Pressure-Regulating Valves

Pressure-Regulating Valves

Reduce inlet pressure to a lower outlet pressure to protect sensitive equipment

Vacuum-Relief Valves

Vacuum-Relief Valves

Open at a set vacuum and close when the vacuum level drops to protect equipment

Vacuum-Regulating Valves

Vacuum-Regulating Valves

Control the amount of air that a vacuum pump draws from your system to maintain vacuum levels

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Pipe and Pipe Fittings

Pipe and Pipe Fittings

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

Manifolds

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

Hose and Hose Fittings

Hose and Hose Fittings

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

Junction Blocks

Junction Blocks

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

Mufflers

Reduce noise and filter exhaust fumes

Lubricating

Coolant Hose and Fittings

Coolant Hose and Fittings

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

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

Building and Machinery Hardware

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

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