NPT Valves | McMaster-Carr

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System of Measurement

Pipe Size

Body Material

For Use With

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (20% Concentration)

Thread Type

UN/UNF (SAE Straight)

UNJ/UNJF (SAE Straight)

Fitting Connection

Actuation

Handle Style

Shape

Adjustable-Angle Elbow

Connects To

Gender

Valve Function

Back-Pressure Regulation

Temperature Regulation

Handle Type

Lockable with Ratchet Opening

Short

Spring Close

Standard

Standard with Ratchet Opening

Maximum Pressure @ Temperature

Valve Type

Back-Pressure Regulator

Ball Material

Inlet Pipe Size

Port Type

Maximum Temperature

Tube OD

End-to-End Length

Seal Material

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

9,323 Products

Fluid Handling

On-Off Valves

Start and stop flow through a line

2,901 products

Flow-Adjustment Valves

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

306 products

Valve Manifolds

Control flow to multiple points from one source

2 products

Directional Control Valves

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

229 products

Diverting Valves

Redirect flow between ports

176 products

Air Valves

Fill tanks, tires, and other pressurized equipment

17 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

Drain Valves

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

78 products

Valve Union Fittings

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

25 products

Float Valves

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

113 products

Float Valve Bodies

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

61 products

Float Rods

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

1 product

Air Vent Valves

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

38 products

Orifice Valves

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

80 products

Valve Actuators

Automatically start and stop flow to your valve

25 products

Sampling Valves

Drain a small amount of fluid for inspection without disrupting flow

5 products

Vacuum Breakers

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

26 products

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

26 products

Air-Exhaust Valves

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

47 products

Propane Tank Valves

Start and stop the flow of propane from a tank

7 products

Air Pulse Valves

Convert continuous flow into bursts that reduce air consumption in dryers and dust collectors

7 products

Spray Nozzle Bars

Attach nozzles to build your own spray system

15 products

Pressure-Relief Valves

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

207 products

Pressure-Regulating Valves

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

176 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-Regulating Valves

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

13 products

Vacuum-Relief Valves

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

3 products

Air Chucks

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

15 products

Hose and Hose Fittings

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

308 products

Manifolds

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

508 products

Pipe and Pipe Fittings

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

6 products

Tube and Tube Fittings

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

190 products

Flame Arresters

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

8 products

Junction Blocks

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

77 products

Mixing Valves

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

264 products

Tank Mixing Nozzles

Circulate liquid in tanks to keep solids from settling

8 products

Gas Mixers

Supply controlled amounts of air and gas to burners

4 products

Injection Valves

Pump liquid into your process line or tank while preventing backflow

7 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

20 products

Power Transmission

Air Flow Control Valves

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

127 products

Safety Lockout Valves

Prevent accidental start-up when servicing equipment

38 products

Compressed Air Regulators

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

352 products

Compressed Air Filter/Regulators

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

164 products

Compressed Air Regulator Manifolds

Use a single air supply to meet multiple pressure requirements

32 products

Compressed Air Filter/Regulator/Lubricators

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

129 products

Compressed Air Filters

Purge particles, oil, and other contaminants from air lines to prevent damaging equipment

2 products

Compressed Air Filter/Regulator Manifolds

Purify air from a single supply and distribute it to multiple locations

4 products

Compressed Air Lubricators

Extend the service life of air-powered equipment by lubricating the air supply

1 product

Compressed Air Dryers

Remove lingering moisture from air lines

2 products

Air Flow Check Valves

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

11 products

Facility and Grounds Maintenance

Toilet Flush Valves

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

18 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

13 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

46 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

Garden Hose Faucets

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

29 products

Soap Dispenser Valves

Replace the valve on your soap dispenser

2 products

Containers, Storage, and Furniture

Drum Faucets

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

27 products

Lubricating

Coolant Dispenser Hose and Fittings

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

90 products

Grease Fitting Manifolds

Lubricate multiple points with the same amount and type of grease using one grease fitting

3 products

Grease-Dispensing Pumps

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

4 products

Oil-Dispensing Pump Metering Valves

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

2 products

Oil-Dispensing Pumps

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

11 products

Oil Brushes

Connect to oil dispensers to brush lubricant onto chain, gears, and conveyors

7 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

Measuring and Inspecting

Refrigerant Pressure Testing Manifolds

Monitor refrigerant pressure when servicing air conditioning systems

1 product

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