Flow Regulators | McMaster-Carr

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16,930 Products

Most Likely Products

Flow-Adjustment Valves

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

770 products

Air Flow Control Valves

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

292 products

Flowmeters

Measure the flow rate of a liquid or gas

1,012 products

Pressure-Regulating Valves

Reduce inlet pressure to a lower outlet pressure to protect sensitive equipment

289 products

Orifice Valves

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

102 products

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

50 products

All Results

Fluid Handling

Flow-Adjustment Valves

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

770 products

Orifice Valves

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

102 products

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

50 products

On-Off Valves

Start and stop flow through a line

4,222 products

Check Valves

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

749 products

Tap Valves

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

1 product

Air-Exhaust Valves

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

68 products

Flow Switches

Turn equipment on or off when flow rate reaches a set point

171 products

Valve Repair Kits

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

160 products

Air Valves

Fill tanks, tires, and other pressurized equipment

23 products

Valve Union Fittings

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

34 products

Drain Valves

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

41 products

Diverting Valves

Redirect flow between ports

2 products

Sampling Valves

Drain a small amount of fluid for inspection without disrupting flow

9 products

Valve Actuators

Automatically start and stop flow to your valve

47 products

Vacuum Breakers

When pressure drops, vents open to prevent suction from drawing liquid back upstream

35 products

Directional Control Valves

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

10 products

Air Pulse Valves

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

7 products

Float Valve Bodies

Pair with floats and rods to create float valves that meet your needs

2 products

Flowmeters

Measure the flow rate of a liquid or gas

1,012 products

Flow Transmitters

Send flow rate measurements to PLCs, data loggers, and remote displays

84 products

Pressure-Regulating Valves

Reduce inlet pressure to a lower outlet pressure to protect sensitive equipment

289 products

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

71 products

Compressed Gas Valves

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

2 products

Hose and Hose Fittings

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

879 products

Pipe and Pipe Fittings

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

4,901 products

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

438 products

Air Chucks

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

3 products

Mixing Valves

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

7 products

Mufflers

Reduce noise and filter exhaust fumes

26 products

Power Transmission

Air Flow Control Valves

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

292 products

Compressed Air Regulators

Ensure continuous, safe operation of air-powered equipment by controlling air pressure

386 products

Compressed Air Flow Boosters

Amplify flow from a compressed air supply to make sure tools and machines receive enough

7 products

Hydraulic Flow-Adjustment Valves

Turn the knob to gradually adjust the flow of hydraulic fluid

2 products

Hydraulic Check Valves

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

78 products

Air Flow Check Valves

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

21 products

Facility and Grounds Maintenance

Water Hammer Arresters

Absorb shock of sudden shutoffs to prevent knocking noises in water pipes

22 products

Scrub Brushes

Everyday scrub brushes, scrub brushes with a handle, and drill-operated scrub brushes

3 products

Faucet Pedals

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

15 products

Insecticides

Eradicate bugs in large areas with chemical sprays, foggers, and bait

1 product

Toilet Paper Dispensers

Mount to bathroom walls to hold and dispense toilet paper

3 products

Measuring and Inspecting

Calibration Columns

Calibrate the flow rate of metering pumps

14 products

Containers, Storage, and Furniture

Pitchers

A long spout makes it easy to pour in hard-to-reach spaces

5 products

Lubricating

Oil-Dispensing Pumps

Deliver controlled amounts of oil at specific intervals to keep equipment lubricated

13 products

Oil Dispensers

Keep machinery lubricated by applying oil

132 products

Grease-Dispensing Pumps

Automate the flow of grease with air or battery power instead of applying it by hand

4 products

Oil-Dispensing Pump Metering Valves

Add to manual and electric pumps to dispense the right amount of oil to different lubrication points

3 products

Grease Dispensers

Connect to a grease gun, drum, or pail to deliver a controlled, constant flow of grease

37 products

Heating, Ventilation, and Air Conditioning

HVAC Switches

Control and monitor airflow in HVAC systems automatically

3 products