Pipe Valves | McMaster-Carr

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7,870 Products

Fluid Handling

On-Off Valves

Start and stop flow through a line

Flow-Adjustment Valves

Flow-Adjustment Valves

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

Air Valves

Fill tanks, tires, and other pressurized equipment

Diverting Valves

Diverting Valves

Redirect flow between ports

Check Valves

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

Valve Bodies

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

Valve Union Fittings

Valve Union Fittings

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

Vacuum Breakers

Vacuum Breakers

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

Orifice Valves

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

Sampling Valves

Sampling Valves

Drain a small amount of fluid for inspection without disrupting flow

Backflow-Prevention Valves

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

Sump Pump Backflow-Prevention Valves

Sump Pump Backflow-Prevention Valves

Block dirty water from returning to your sump pump

Float Rods

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

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

Manifolds

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

Tube and Tube Fittings

Tube and Tube Fittings

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

Pipe and Pipe Fittings

Pipe and Pipe Fittings

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

Flame Arresters

Flame Arresters

Absorb heat from a fire in your gas pipeline to stop it from traveling back to the gas source

Junction Blocks

Junction Blocks

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

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

Mixing Valves

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

Tank Mixing Nozzles

Tank Mixing Nozzles

Circulate liquid in tanks to keep solids from settling

Steam Traps

Extract condensation from lines without losing any steam

Mufflers

Reduce noise and filter exhaust fumes

Strainers

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

Facility and Grounds Maintenance

Soap Dispenser Valves

Soap Dispenser Valves

Replace the valve on your soap dispenser

Shower Heads

Direct the spray of water in a shower or shower station

Air Admittance Valves

Air Admittance Valves

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

Lubricating

Coolant Dispenser Hose and Fittings

Coolant Dispenser Hose and Fittings

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

Safety Equipment

Shower Station Valves

Shower Station Valves

Replace valves on your shower station

Eye Wash Station Replacement Parts

Eye Wash Station Replacement Parts

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

Fastening and Joining

Welding Gas Flashback Arresters

Welding Gas Flashback Arresters

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

Building and Machinery Hardware

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

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