Flow Control Valves | McMaster-Carr

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7,037 Products

Power Transmission

Air Flow Control Valves

Air Flow Control Valves

Control the speed of air-powered equipment by adjusting the volume of airflow entering or exiting

Hydraulic Flow-Adjustment Valves

Hydraulic Flow-Adjustment Valves

Turn the knob to gradually adjust the flow of hydraulic fluid

Air Flow Check Valves

Air Flow Check Valves

Open to allow air flow in one direction and close when flow stops or reverses

Fluid Handling

Flow-Adjustment Valves

Flow-Adjustment Valves

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

Flow-Regulating Valves

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

On-Off Valves

Start and stop flow through a line

Directional Control Valves

Directional Control Valves

Manage the flow of fluids to move equipment in air- and hydraulic-powered systems

Air-Exhaust Valves

Air-Exhaust Valves

Vent or divert exhaust to speed up the operation of air cylinders, actuators, and other equipment

Orifice Valves

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

Valve Repair Kits

Valve Repair Kits

Maintain valves with replacement parts such as seals, plungers, and springs

Diverting Valves

Diverting Valves

Redirect flow between ports

Check Valves

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

Valve Actuators

Valve Actuators

Automatically start and stop flow to your valve

Air Pulse Valves

Air Pulse Valves

Convert continuous flow into bursts that reduce air consumption in dryers and dust collectors

Valve Seats

Seal valves when they're closed to prevent leaks

Tap Valves

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

Pilot Valves

Control air supply to the actuator in other valves

Air Valves

Fill tanks, tires, and other pressurized equipment

Valve Union Fittings

Valve Union Fittings

Mating parts join valves to a line for quick connection and removal

Sampling Valves

Sampling Valves

Drain a small amount of fluid for inspection without disrupting flow

Drain Valves

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

Mufflers

Reduce noise and filter exhaust fumes

Mixing Valves

Blend hot and cold water, steam, or oil to maintain a set outlet temperature and prevent scalding

Air Chucks

Connect air hose to Schrader valves, which are common on tires and hydraulic systems

Pipe and Pipe Fittings

Pipe and Pipe Fittings

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

Compressed Gas Valves

Compressed Gas Valves

Check and adjust the pressure of compressed gas in tanks; also known as Schrader valves

Facility and Grounds Maintenance

Faucet Pedals

Start and stop water with your foot or knee to keep your hands free

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