Two-Way Air Valves | McMaster-Carr

	ISO Designation ISO Designation

	Meter Out
	Meter In

	Inlet Pipe Size Inlet Pipe Size

	For Outlet Tube OD For Outlet Tube OD

	Inlet Connection Type Inlet Connection Type


Pipe	Tube

	Flow Control Type Flow Control Type

Exiting Cylinder

Entering Cylinder

	Inlet Thread Type Inlet Thread Type

	Outlet Connection Type Outlet Connection Type


Pipe	Tube

	Shape Shape

	Straight
	90° Elbow
	Adjustable-Angle Elbow

	Outlet Pipe Size Outlet Pipe Size

	Body Material Body Material

	For Inlet Tube OD For Inlet Tube OD

	Maximum Pressure Maximum Pressure

	Outlet Thread Type Outlet Thread Type

	Flow Control Flow Control

One Direction

Two Direction

	Fitting Material Fitting Material

	Maximum Flow Rate Maximum Flow Rate

	Flow Coefficient (Cv) Flow Coefficient (Cv)

	Overall Length Overall Length

	Inlet Gender Inlet Gender

Female

Male

	Flow Adjustment Mechanism Flow Adjustment Mechanism

Dial

Slotted Screw

Tamper-Resistant Screw

Nut

	Outlet Gender Outlet Gender

Female

Male

	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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289 Products

About Flow Control Valves

Also known as cylinder speed controls, flow control valves let you control the extension or retraction speed of your air cylinder. They regulate airflow as it passes from the valve's inlet to its outlet. Air flows freely in the opposite direction.

Dual-Control Two-Direction Air Flow Control Valves

Independently control the speed of airflow in two directions. These valves regulate the speed of airflow as it enters or exits equipment, and are often used to control the extension and retraction speed of an air cylinder at the same time.

Single-Control Two-Direction Air Flow Control Valves

Adjust airflow equally in both directions. These valves regulate the speed of airflow as it enters and exits equipment. They're often used to control the extension and retraction speed of an air cylinder at the same time.

Corrosion-Resistant Single-Control
Two-Direction Air Flow Control Valves

Made of PBT, these plastic valves are more corrosion resistant than valves made of aluminum or nylon. A single dial adjusts airflow equally in both directions, controlling the extension and retraction speed of an air cylinder at the same time.

Inline Air Flow Control Valves with Flow Indicator

Designed to be mounted inline, these valves can be placed in an easy-to-reach location along your line to control the speed of air-powered equipment by adjusting the volume of airflow. A numeric indicator provides a relative measure of airflow, similar to the volume dial on a speaker, so it's easy to set the same flow rate with each use.

Elbow Air Flow Control Valves with Flow Indicator

A numeric indicator provides a relative measure of airflow, similar to the volume dial on a speaker, so it's easy to set the same flow rate with each use. Mount them directly to cylinder ports, eliminating additional tubing between the cylinder and valve for better control than inline valves. They control the speed of air-powered equipment by adjusting the volume of airflow.

Inline Air Flow Control Valves

Designed to be mounted inline, these valves can be installed in an easy-to-reach location along your line. They control the speed of air-powered equipment by adjusting the volume of airflow.

Elbow Air Flow Control Valves

Mount these valves directly to cylinder ports, eliminating additional tubing between the cylinder and valve for better control than inline valves. They control the speed of air-powered equipment by adjusting the volume of airflow.

Flexible-Mount Air Flow Control Valves

A swiveling outlet port on these valves makes connections from any direction. They control the speed of air-powered equipment by adjusting the volume of airflow.

Tamper-Resistant Air Flow Control Valves

Prevent accidental airflow changes with these valves, which require an adjustment tool to alter their flow rate. They control the speed of air-powered equipment by adjusting the volume of airflow.

Precision-Adjust Air Flow Control Valves

A fine-adjustment dial allows tighter control of airflow and cylinder speed than other flow control valves. They control the speed of air-powered equipment by adjusting the volume of airflow entering or exiting.

Elbow Corrosion-Resistant Air Flow Control Valves

Mount these valves directly to cylinder ports, eliminating additional tubing between the cylinder and valve for better control than inline valves. Made of plastic and stainless steel parts, they have excellent corrosion resistance. They control the speed of air-powered equipment by adjusting the volume of airflow.

Inline Corrosion-Resistant Air Flow Control Valves

Designed to be mounted inline, these valves can be placed in easy-to-reach locations. Made of plastic and stainless steel parts, they have excellent corrosion resistance. They control the speed of air-powered equipment by adjusting the volume of airflow.

High-Pressure Air Flow Control Valves

These valves handle pressure up to 265 psi. They control the speed of air-powered equipment by adjusting the volume of airflow entering or exiting.

Slow-Start Air Flow Control Valves

Prevent damage to your equipment by limiting startup airflow and then gradually raising the airflow rate to operating levels.