Modular Valves | McMaster-Carr

	Voltage Voltage

	Flow Pattern Flow Pattern

5/3 (Pressure Center)

	Actuation Actuation

Electric (Solenoid)

Manual

Pressure

	Inlet Pipe Size Inlet Pipe Size

	Number of Solenoids Number of Solenoids

Double

Single

	Outlet Pipe Size Outlet Pipe Size

	Return Actuation Return Actuation

Spring

Electric (Solenoid)

	Maximum Flow Rate Maximum Flow Rate

	Mount Type Mount Type

Manifold

Screw

	For Use With For Use With

Compressed Air

Hydraulic Fluid

	Component Component

	For Air Cylinder Type For Air Cylinder Type

Double Acting

Single Acting

	Inlet Thread Type Inlet Thread Type

NPT

NPTF

	Maximum Pressure Maximum Pressure

	Number of Flow Positions Number of Flow Positions

	Overall Length Overall Length

	Overall Height Overall Height

	Overall Width Overall Width

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

DFARS Specialty Metals
COTS-Exempt

	Valve Function Valve Function

Directional Control

Pressure Regulation

Pressure Relief

	Number of Flow Ports Number of Flow Ports

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

RoHS Compliant with
Exemptions

RoHS Compliant

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

REACH Compliant

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Matching Flow Diagrams to Replace an Air Directional Control Valve

Choosing an Air Directional Control Valve

Modular Air Directional Control Valves with Air Manifolds

Mount valves to a single-station base or to a manifold, which allows a single pressure source for multiple valves, then add or remove valves as your needs change.

Two-Action Electrically Operated
Air Directional Control Valves

Also known as 4-way valves, these valves create two actions, such as extending and then retracting a double-acting cylinder. Apply voltage to the electrical connection to actuate.

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

Often used to extend and then retract a cylinder at different speeds, these valves 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 5/2 valves, they actuate when voltage is applied to the electrical connection.

Two-Speed Two-Action Electrically Operated
Air Directional Control Valves with Full Shut-Off

These valves close all ports in the off position to stop equipment in a locked position with air pressure holding it in place. Often used to extend and then retract a cylinder at different speeds, 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. Apply voltage to the electrical connection to actuate.

Two-Speed Two-Action Electrically Operated Air
Directional Control Valves with Exhausting Shut-Off

In the off position, these valves exhaust all air pressure, allowing the equipment to return to the neutral position. Often used to extend and then retract a cylinder at different speeds, 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. Apply voltage to the electrical connection to actuate.

Single-Action Electrically Operated
Air Directional Control Valves

These valves create one action, such as extending a cylinder. Apply voltage to the electrical connection to actuate. They're also known as 3/2 valves.