Regulators | McMaster-Carr

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Product Family

Air Admittance Valves

Air Cylinders

Air Flow Check Valves

Air Flow Control Valves

Air Pulse Valves

Air Valves

Air-Actuated On/Off Valves

Air-Exhaust Valves

Backflow-Prevention Valves

Battery Chargers

Battery Surge Protectors/Charge Monitors

Check Valves

Compressed Air Filter Elements

Compressed Air Filter/Lubricators

Compressed Air Filter/Regulator Manifolds

Compressed Air Filter/Regulator/Lubricator Manifolds

Compressed Air Filter/Regulator/Lubricators

Compressed Air Filter/Regulators

For Use With

System of Measurement

Outlet Pressure

Inlet Pipe Size

Pipe Size

Inlet Thread Type

Outlet Pipe Size

Maximum Inlet Pressure

Less than 500 psi

500 psi to 999 psi

1,000 psi to 1,999 psi

2,000 psi to 3,999 psi

Body Material

Outlet Thread Type

Gauge Included

Material

Maximum Pressure Regulation

Thread Type

Maximum Pressure

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi to 3,999 psi

4,000 psi or greater

Not Rated

Maximum Outlet Pressure Gauge Measurement

Fitting Connection

Valve Function

Back-Pressure Regulation

Temperature Regulation

Connects To

Outlet Connection

Component

Ballcock-Style Fill Valve

Filter/Regulator/Lubricator

Float

Flush Valve Assembly

Flush Valve Cartridge

Flush Valve Repair Kit

Flush Valve Seal

Handle Kit

RoHS

Compliant

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

DFARS Specialty Metals

15,554 Products

Most Likely Products

Pressure-Regulating Valves

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

300 products

Compressed Air Regulators

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

663 products

All Results

Fluid Handling

Pressure-Regulating Valves

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

300 products

Vacuum-Regulating Valves

Control the amount of air that a vacuum pump draws from your system to maintain vacuum levels

14 products

Pressure-Relief Valves

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

245 products

Vacuum-Relief Valves

Open at a set vacuum and close when the vacuum level drops to protect equipment

3 products

Compressed Gas Valves

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

2 products

Pressure-Relief Discs

Rupture at a set pressure or temperature to vent fluid and gas and protect machinery; one-time use

39 products

Pressure Switches

Activate controls, set off alarms, and power equipment when a set pressure is reached

8 products

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

268 products

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

50 products

Check Valves

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

802 products

Directional Control Valves

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

485 products

Air-Exhaust Valves

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

104 products

Orifice Valves

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

989 products

Valve Repair Kits

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

160 products

Flow Switches

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

177 products

Air Pulse Valves

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

9 products

Air-Actuated On/Off Valves

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

232 products

Solenoid On/Off Valves

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

714 products

Flow-Adjustment Valve Manifolds

Control flow to multiple points from one source

9 products

Vacuum Breakers

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

33 products

Tap Valves

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

1 product

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

26 products

Drain Valves

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

41 products

Float Valves

Open or close a pipe connection when liquids in a container reach a set level; also known as ballcocks

119 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

35 products

Float Valve Bodies

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

77 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 Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

1,008 products

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

1 product

Hose Crimpers

Crimp ferrules onto hose to secure fittings

2 products

Pipe Bleed Rings

Access inside a pipe line to vent pressure, drain liquid, and take samples

22 products

Mixing Valves

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

277 products

Flowmeters

Measure the flow rate of liquid or gas through your system

1,087 products

Mufflers

Reduce noise and filter exhaust fumes

26 products

Power Transmission

Compressed Air Regulators

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

663 products

Compressed Air Filter/Regulators

Simultaneously clean air that's running through a system and control its pressure

610 products

Compressed Air Regulator Manifolds

Use a single air supply to meet multiple pressure requirements

108 products

Compressed Air Filter/Regulator/Lubricators

Deliver clean, lubricated air at the desired pressure to a component in your line

460 products

Compressed Air Filter Elements

Replace filter elements for peak performance in removing solid particles, water droplets, and oil

135 products

Compressed Air Filters

Purge particles, oil, and other contaminants from air lines to prevent damaging equipment

699 products

Safety Lockout Valves

Prevent accidental start-up when servicing equipment

93 products

Compressed Air Filter/Lubricators

Extend the service life of equipment by lubricating air and removing contaminants from it

27 products

Compressed Air Regulator Locks

Lock over your regulator knob to prevent unwanted pressure changes

6 products

Compressed Air Filter/Regulator Manifolds

Purify air from a single supply and distribute it to multiple locations

13 products

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

28 products

Air Flow Control Valves

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

293 products

Air Flow Check Valves

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

21 products

Hydraulic On/Off Valves

Control the flow in high-pressure hydraulic systems

48 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 Cylinders

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

27 products

Electrical Power, Networking, and Controlling

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

259 products

Transformers

Raise or lower voltage to meet the needs of an individual circuit

237 products

Voltage Adapters

Change AC voltage to DC voltage to power a device

284 products

Rectifiers

Convert AC voltage to a constant DC voltage on a circuit board

30 products

Phase Converters

Generate three-phase output power from a single-phase input

11 products

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

3 products

Battery Surge Protectors/Charge Monitors

Display the charge level of a large-cell battery while protecting it from power surges

1 product

Diodes

Route current in one direction and block it in the other to protect sensitive electronics

83 products

Varistors

Protect sensors, programmable logic controllers, and other small components from electrical surges

20 products

Stepper Motor Drives

Control the speed and position of stepper motors

6 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

102 products

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

70 products

EMI Filters

Shield electronics against electromagnetic interference from power supplies, motors, and lights

12 products

Surge Suppressors

Stop electrical surges from damaging equipment

4 products

Facility and Grounds Maintenance

Drinking Fountain Replacement Parts

Replace nozzles, regulators, filters, handles, and other original manufacturer parts

4 products

Water Hammer Arresters

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

22 products

Flush Valve Replacement Parts

Replace virtually any part in the most common flush valve brands

1 product

Toilet Tank Replacement Parts

Replace parts such as flappers, fill valves, and floats in your toilet tank

23 products

Water Supply Stop Valves

Shut off water to faucets, toilets, and fountains

28 products

Air Admittance Valves

Allow air into drain, waste, and vent systems so you don't have to vent plumbing to the outdoors

2 products

Garden Hose Valves

Start and stop the flow of water through your garden hose

30 products

Lubricating

Oil-Dispensing Pump Metering Valves

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

6 products

Heating, Ventilation, and Air Conditioning

HVAC Switches

Control and monitor airflow in HVAC systems automatically

3 products

Safety Equipment

Respirator Filter Monitors

Track the quality of incoming air as it travels from your air line to your respirator

6 products