Pipe Valves | McMaster-Carr

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8,229 Products

Fluid Handling

On-Off Valves

Start and stop flow through a line

3,045 products

Flow-Adjustment Valves

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

566 products

Air Valves

Fill tanks, tires, and other pressurized equipment

22 products

Diverting Valves

Redirect flow between ports

202 products

Check Valves

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

612 products

Valve Bodies

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

16 products

Valve Union Fittings

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

34 products

Orifice Valves

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

89 products

Vacuum Breakers

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

26 products

Sampling Valves

Drain a small amount of fluid for inspection without disrupting flow

7 products

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

24 products

Sump Pump Backflow-Prevention Valves

Block dirty water from returning to your sump pump

2 products

Float Rods

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

1 product

Air Chucks

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

9 products

Hose and Hose Fittings

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

736 products

Manifolds

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

631 products

Tube and Tube Fittings

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

206 products

Pipe and Pipe Fittings

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

16 products

Junction Blocks

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

77 products

Flame Arresters

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

7 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

12 products

Mixing Valves

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

246 products

Tank Mixing Nozzles

Circulate liquid in tanks to keep solids from settling

8 products

Steam Traps

Extract condensation from lines without losing any steam

102 products

Strainers

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

23 products

Mufflers

Reduce noise and filter exhaust fumes

24 products

Facility and Grounds Maintenance

Soap Dispenser Valves

Replace the valve on your soap dispenser

3 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

Shower Heads

Direct the spray of water in a shower or shower station

6 products

Lubricating

Coolant Dispenser Hose and Fittings

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

98 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

7 products

Fastening and Joining

Welding Gas Flashback Arresters

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

2 products

Building and Machinery Hardware

T-Slotted Framing and Fittings

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

22 products