NPT Valves | McMaster-Carr

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Acetic Acid (White Vinegar)

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Compliant with Exemptions

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DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

6,250 Products

Fluid Handling

On-Off Valves

Start and stop flow through a line

2,464 products

Flow-Adjustment Valves

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

302 products

Air Valves

Fill tanks, tires, and other pressurized equipment

17 products

Diverting Valves

Redirect flow between ports

168 products

Check Valves

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

474 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

25 products

Vacuum Breakers

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

26 products

Orifice Valves

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

56 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

Directional Control Valves

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

4 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

Manifolds

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

504 products

Hose and Hose Fittings

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

313 products

Pipe and Pipe Fittings

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

7 products

Tube and Tube Fittings

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

140 products

Junction Blocks

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

66 products

Flame Arresters

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

7 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

Pressure-Relief Valves

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

14 products

Pressure-Regulating Valves

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

1 product

Steam Traps

Extract condensation from lines without losing any steam

98 products

Strainers

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

23 products

Mufflers

Reduce noise and filter exhaust fumes

20 products

Lubricating

Coolant Dispenser Hose and Fittings

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

90 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

Facility and Grounds Maintenance

Soap Dispenser Valves

Replace the valve on your soap dispenser

2 products

Shower Heads

Direct the spray of water in a shower or shower station

6 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