Brass Valves | McMaster-Carr

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3,476 Products

Fluid Handling

On-Off Valves

Start and stop flow through a line

Air Valves

Fill tanks, tires, and other pressurized equipment

Diverting Valves

Diverting Valves

Redirect flow between ports

Flow-Adjustment Valves

Flow-Adjustment Valves

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

Drain Valves

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

Check Valves

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

Directional Control Valves

Directional Control Valves

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

Float Valves

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

Float Valve Bodies

Float Valve Bodies

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

Float Rods

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

Tap Valves

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

Valve Bodies

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

Vacuum Breakers

Vacuum Breakers

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

Air Vent Valves

Air Vent Valves

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

Orifice Valves

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

Backflow-Prevention Valves

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

Flow-Regulating Valves

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

Air-Exhaust Valves

Air-Exhaust Valves

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

Propane Tank Valves

Propane Tank Valves

Start and stop the flow of propane from a tank

Valve Handles and Knobs

Valve Handles and Knobs

Replace the handle on most types of valves

Pressure-Relief Valves

Pressure-Relief Valves

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

Pressure-Regulating Valves

Pressure-Regulating Valves

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

Compressed Gas Valves

Compressed Gas Valves

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

Pressure-Relief Discs

Pressure-Relief Discs

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

Vacuum-Regulating Valves

Vacuum-Regulating Valves

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

Air Chucks

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

Hose and Hose Fittings

Hose and Hose Fittings

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

Tube and Tube Fittings

Tube and Tube Fittings

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

Manifolds

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

Pipe and Pipe Fittings

Pipe and Pipe Fittings

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

Mixing Valves

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

Steam Traps

Extract condensation from lines without losing any steam

Mufflers

Reduce noise and filter exhaust fumes

Facility and Grounds Maintenance

Toilet Flush Valves

Toilet Flush Valves

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

Toilet Tank Replacement Parts

Toilet Tank Replacement Parts

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

Urinal Flush Valves

Urinal Flush Valves

Release water from a plumbing line into the urinal bowl

Sink Faucets

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

Faucet Pedals

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

Shower Heads

Direct the spray of water in a shower or shower station

Drinking Fountain Nozzles

Drinking Fountain Nozzles

Dispense water from fountains; also known as bubblers

Soap Dispenser Valves

Soap Dispenser Valves

Replace the valve on your soap dispenser

Garden Hose Faucets

Garden Hose Faucets

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

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 Check Valves

Hydraulic Check Valves

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

Air Flow Check Valves

Air Flow Check Valves

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

Compressed Air Regulators

Compressed Air Regulators

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

Compressed Air Filter/Regulator/Lubricators

Compressed Air Filter/Regulator/Lubricators

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

Compressed Air Filter/Regulators

Compressed Air Filter/Regulators

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

Fastening and Joining

Welding Gas Flashback Arresters

Welding Gas Flashback Arresters

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

Heating, Ventilation, and Air Conditioning

Air Conditioner Service Valves

Air Conditioner Service Valves

Tap into refrigerant lines to drain and fill your system

Containers, Storage, and Furniture

Drum Faucets

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

Lubricating

Oil-Dispensing Pump Metering Valves

Oil-Dispensing Pump Metering Valves

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

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