Shut Offs | McMaster-Carr

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7,260 Products

Fluid Handling

Manual On-Off Valves

Start and stop flow through a line

3,272 products

Flow-Adjustment Valves

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

804 products

Diverting Valves

Redirect flow between ports

106 products

Directional Control Valves

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

420 products

Air-Actuated On-Off Valves

Operate on compressed air to start and stop flow faster than motor-driven valves

194 products

Drain Valves

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

41 products

Solenoid On-Off Valves

A solenoid withstands rapid cycling for applications with frequent opening and closing

566 products

Motor-Actuated On-Off Valves

An electric motor handles higher flow rates and pressures than solenoid valves

85 products

Sampling Valves

Drain a small amount of liquid or gas for inspection without disrupting flow

8 products

Liquid-Dispensing Metering Valves

Program to dispense a specific amount of liquid every time and shut off when set amount is reached

3 products

Hose

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

1 product

Air Chucks

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

3 products

Pipe Elbows

Change the direction of flow when joining lengths of pipe

14 products

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

8 products

Liquid-Level Gauges

Monitor fluid levels in containers

88 products

Power Transmission

Hydraulic On-Off Valves

Control the flow in high-pressure hydraulic systems

43 products

Air Flow Control Valves

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

293 products

Safety Lockout Valves

Prevent accidental start-up when servicing equipment

57 products

Hydraulic Flow-Adjustment Valves

Turn the knob to gradually adjust the flow of hydraulic fluid

2 products

Air Cylinders

Push and pull loads to do everything from stamping materials to sorting parts on conveyors

37 products

Facility and Grounds Maintenance

Garden Hose Valves

Start and stop the flow of water through your garden hose

29 products

Water Supply Stop Valves

Shut off water to faucets, toilets, and fountains

23 products

Faucet Shut-Off Rods

Nudge the rod to turn water on and release to turn off without touching handles

2 products

Electrical Power, Networking, and Controlling

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

260 products

Emergency Stop Switches

Cut power to equipment during emergencies

190 products

Motor Switches

Turn motors, lighting, and electric heat circuits on and off

7 products

Transfer Switches

Switch to backup power during an outage

7 products

Enabling Switches

Equipment only runs while you press the switch; also known as deadman switches

18 products

Pendant Switches

Control machinery, such as cranes, hoists, and trolleys, from a safe distance

1 product

Finger-Touch Switches

Lightly touch with your finger to turn circuits on and off

8 products

Push-Button Switches

Our most common switch type actuates circuits with the push of a button

1 product

Communication

Legend Plates

Mark switches and lights on control panels for easy identification

15 products

Labels

Stick onto items to identify or convey information about them

1 product

Fastening and Joining

Shut-Off Valve Wrenches

Turn hard-to-reach valves on gas lines, faucets, toilets, and sinks

4 products

Heating, Ventilation, and Air Conditioning

Duct Blast Gates

Slide open and closed to control flow of air and material

150 products

Building and Machinery Hardware

T-Slotted Framing Switches

Attach to your rail to actuate components or cut power

10 products