Brass Valves | McMaster-Carr

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5,290 Products

Fluid Handling

On-Off Valves

Start and stop flow through a line

1,693 products

Flow-Adjustment Valves

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

239 products

Air Valves

Fill tanks, tires, and other pressurized equipment

18 products

Diverting Valves

Redirect flow between ports

117 products

Check Valves

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

255 products

Drain Valves

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

60 products

Directional Control Valves

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

25 products

Valve Bodies

Attach to actuators to automatically or manually control flow in your line

6 products

Float Valves

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

76 products

Float Valve Bodies

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

43 products

Float Rods

Connect valve bodies and floats to build or repair a float valve

6 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

Vacuum Breakers

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

22 products

Air Vent Valves

Eliminate air pockets from fluid lines to maintain consistent flow and prevent surges

16 products

Orifice Valves

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

21 products

Air-Exhaust Valves

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

11 products

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

10 products

Solenoid Coils

Replace the coil that actuates your flow-control valve

15 products

Propane Tank Valves

Start and stop the flow of propane from a tank

3 products

Valve Handles and Knobs

Replace the handle on most types of valves

1 product

Pressure-Relief Valves

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

175 products

Pressure-Regulating Valves

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

197 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

27 products

Vacuum-Relief Valves

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

3 products

Vacuum-Regulating Valves

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

10 products

Air Chucks

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

5 products

Tube and Tube Fittings

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

240 products

Hose and Hose Fittings

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

348 products

Manifolds

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

56 products

Pipe and Pipe Fittings

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

5 products

Mixing Valves

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

272 products

Strainers

Install next to valves and pumps to catch debris in your line

9 products

Mufflers

Reduce noise and filter exhaust fumes

14 products

Steam Traps

Extract condensation from lines without losing any steam

13 products

Facility and Grounds Maintenance

Toilet Flush Valves

Release water from a plumbing line or toilet tank into the bowl

18 products

Toilet Tank Replacement Parts

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

3 products

Shower Valves

Control water and regulate temperature to prevent scalding

1 product

Showers

Hook up to a water supply near a drain for a convenient utility shower

1 product

Shower Heads

Direct the spray of water in a shower or shower station

8 products

Urinal Flush Valves

Release water from a plumbing line into the urinal bowl

19 products

Sink Faucets

Manual and touch-free faucets for janitorial, restroom, and food service sinks

87 products

Faucet Pedals

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

15 products

Sinks

Freestanding, wall-mount, countertop, and floor sinks

18 products

Drinking Fountain Nozzles

Dispense water from fountains; also known as bubblers

5 products

Soap Dispenser Valves

Replace the valve on your soap dispenser

3 products

Garden Hose Faucets

Connect garden hose to lines coming from a building or the ground

25 products

Power Transmission

Air Flow Control Valves

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

182 products

Air Flow Check Valves

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

9 products

Hydraulic Check Valves

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

18 products

Air Cylinders

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

12 products

Compressed Air Regulators

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

6 products

Compressed Air Filter/Regulator/Lubricators

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

3 products

Compressed Air Filter/Regulators

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

2 products

Containers, Storage, and Furniture

Drum Faucets

Control the flow of liquid from drums, tanks, carboys, and other containers

18 products

Heating, Ventilation, and Air Conditioning

Air Conditioner Service Valves

Tap into refrigerant lines to drain and fill your system

14 products

Safety Equipment

Shower Station Valves

Replace valves on your shower station

3 products

Eye Wash Station Replacement Parts

Replace eye wash station parts such as spray heads, valves, handles, and bowls

4 products

Lubricating

Grease-Dispensing Pumps

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

4 products

Grease Fitting Junction Blocks

Send different types and amounts of grease from multiple grease fittings to lubricate several points

2 products

Coolant Dispenser Hose and Fittings

Snap together and position to deliver coolant, oil, water, or air in any direction

47 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

Oil-Dispensing Pumps

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

7 products

Fastening and Joining

Welding Gas Flashback Arresters

Attach to your gas welder to extinguish flames and stop reverse gas flow

24 products

Measuring and Inspecting

Refrigerant Pressure Testing Manifolds

Monitor refrigerant pressure when servicing air conditioning systems

3 products

Material Handling

Valve Stems

Snap into tubeless tire rims to create an air inlet

4 products

Electrical

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

9 products