Air Tool Lockouts | McMaster-Carr

	Inlet Pipe Size Inlet Pipe Size

1/8

1/4

	For Use With For Use With

Compressed Air

Air Hoses

	Lockout Style Lockout Style


Cover	Hasp

	Outlet Pipe Size Outlet Pipe Size

	For Coupling Size For Coupling Size

	Flow Pattern Flow Pattern

	3/2
	5/2

	Actuator Style Actuator Style

Handle

Dial

Key

	For Maximum Padlock Shackle Diameter For Maximum Padlock Shackle Diameter

1/4"

9/32"

25/64"

	Maximum Temperature Maximum Temperature

	Exhaust Thread Type Exhaust Thread Type

NPT

UNF

	Valve Function Valve Function

Directional Control

On/Off

	For Air Cylinder Type For Air Cylinder Type

Single Acting

Double Acting

	Maximum Pressure Maximum Pressure

	Valve Type Valve Type

Spool

Poppet

Ball

	Body Material Body Material

Aluminum

Brass

Bronze

	Overall Width Overall Width

	Overall Length Overall Length

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Number of Outlet Ports Number of Outlet Ports

	Minimum Temperature Minimum Temperature

	Maximum Flow Rate Maximum Flow Rate

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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102 Products

About Air Preparation

Safety-Lockout Single-Action
Air Directional Control Valves

To prevent accidental start-up, these valves can be locked in their off position with a padlock. They create one action, such as extending a cylinder.

Key-Operated Single-Action
Air Directional Control Valves

Because they require a key to operate, you can limit who is able to adjust these valves. They create one action, such as extending a cylinder.

Key-Operated Two-Speed Two-Action
Air Directional Control Valves

Because they require a key to operate, you can limit who is able to adjust these valves. They create two actions and have two exhaust ports, which allows you to control the speed of each action by attaching a flow control valve to each exhaust port. Also known as 4-way and 5/2 valves.

Safety-Lockout Air On/Off Valves

A padlock locks the handle of these valves in the shut-off position so you can disconnect air tools safely.

Quiet Safety-Lockout Air On/Off Valves

These valves have a muffler to reduce exhaust noise. A padlock locks the handle in the shut-off position so you can disconnect air tools safely.