1/4 Valves | McMaster-Carr

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System of Measurement

Pipe Size

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

For Use With

Body Material

Stainless Steel

Actuation

Fitting Connection

Spec Image

Push to Connect

Quick Disconnect

Socket-Connect Union

Solder-Socket Union

Material

Stainless Steel

Shape

Adjustable-Angle Elbow

Connects To

Gender

Inlet Pipe Size

Maximum Pressure @ Temperature

1,800 psi @ 0° F

2,000 psi @ 50° F

150 psi @ 60° F

400 psi @ 60° F

14.5 psi @ 70° F

15 psi @ 70° F

25 psi @ 70° F

30 psi @ 70° F

40 psi @ 70° F

50 psi @ 70° F

60 psi @ 70° F

90 psi @ 70° F

95 psi @ 70° F

100 psi @ 70° F

120 psi @ 70° F

125 psi @ 70° F

140 psi @ 70° F

Handle Type

Flow Indicating

Lockable with Ratchet Opening

Standard with Ratchet Opening

Handle Style

Valve Type

Back-Pressure Regulator

Pressure Drop Assisted

Outlet Pipe Size

Valve Function

Spec Image

Backflow Prevention

Spec Image

Back-Pressure Regulation

Spec Image

Directional Control

Spec Image

Spec Image

Spec Image

Flow Adjustment

Flow Regulation

Spec Image

Pressure Control

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Pressure Regulation

Pressure Relief

Vacuum Regulation

Tube OD

Maximum Temperature

Less than 100° F

100° F to 199° F

200° F to 249° F

250° F to 499° F

500° F or greater

Fitting Type

Reducing Adapter

RoHS

Compliant with Exemptions

REACH

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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3,571 Products

Fluid Handling

Manual On/Off Valves

Manual On/Off Valves

Start and stop flow through a line

Directional Control Valves

Directional Control Valves

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

Air-Actuated On/Off Valves

Air-Actuated On/Off Valves

Operate on compressed air to start and stop flow faster than motor-driven valves

Flow-Adjustment Valves

Flow-Adjustment Valves

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

Diverting Valves

Diverting Valves

Redirect flow between ports

Air Valves

Fill tanks, tires, and other pressurized equipment

Solenoid On/Off Valves

Solenoid On/Off Valves

A solenoid withstands rapid cycling for applications with frequent opening and closing

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

Valve Repair Kits

Valve Repair Kits

Maintain valves with replacement parts such as seals, plungers, and springs

Air-Exhaust Valves

Air-Exhaust Valves

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

Flow-Regulating Valves

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

Valve Actuators

Valve Actuators

Automatically start and stop flow to your valve

Sampling Valves

Sampling Valves

Drain a small amount of liquid or gas for inspection without disrupting flow

Float Valves

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

Flow-Adjustment Valve Manifolds

Flow-Adjustment Valve Manifolds

Control flow to multiple points from one source

Orifice Valves

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

Valve Mounts

Match standard NFPA mounting patterns to connect valves with multiple ports

Air Pulse Valves

Air Pulse Valves

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

Air Vent Valves

Air Vent Valves

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

Propane Tank Valves

Propane Tank Valves

Start and stop the flow of propane from a tank

Vacuum Breakers

Vacuum Breakers

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

Spray Nozzle Bars

Spray Nozzle Bars

Attach nozzles to build your own spray system

Pressure-Regulating Valves

Pressure-Regulating Valves

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

Pressure-Relief Valves

Pressure-Relief Valves

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

Vacuum-Relief Valves

Vacuum-Relief Valves

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

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

Manifolds

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

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

Junction Blocks

Junction Blocks

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

Flame Arresters

Flame Arresters

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

Tank Mixing Nozzles

Tank Mixing Nozzles

Circulate liquid in tanks to keep solids from settling

Gas Mixers

Supply controlled amounts of air and gas to burners

Mufflers

Reduce noise and filter exhaust fumes

Steam Traps

Extract condensation from lines without losing any steam

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

Safety Lockout Valves

Safety Lockout Valves

Prevent accidental start-up when servicing equipment

Compressed Air Regulators

Compressed Air Regulators

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

Compressed Air Filter/Regulators

Compressed Air Filter/Regulators

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

Compressed Air Filter/Regulator Manifolds

Compressed Air Filter/Regulator Manifolds

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

Compressed Air Regulator Manifolds

Compressed Air Regulator Manifolds

Use a single air supply to meet multiple pressure requirements

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 Filters

Compressed Air Filters

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

Compressed Air Dryers

Compressed Air Dryers

Remove lingering moisture from air lines

Compressed Air Filter/Regulator/Lubricator Manifolds

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

Hydraulic On/Off Valves

Hydraulic On/Off Valves

Control the flow in high-pressure hydraulic systems

Air Flow Check Valves

Air Flow Check Valves

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

Hydraulic Check Valves

Hydraulic Check Valves

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

Lubricating

Coolant Hose and Fittings

Coolant Hose and Fittings

Build a custom system to deliver coolant, cutting oil, water, or air in any direction

Grease Fitting Manifolds

Grease Fitting Manifolds

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

Oil Dispensers

Keep machinery lubricated by applying oil

Measuring and Inspecting

Refrigerant Pressure Testing Manifolds

Refrigerant Pressure Testing Manifolds

Monitor refrigerant pressure when servicing air conditioning systems

Fastening and Joining

Welding Gas Flashback Arresters

Welding Gas Flashback Arresters

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

Facility and Grounds Maintenance

Sink Faucets

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

Building and Machinery Hardware

T-Slotted Framing Manifolds

T-Slotted Framing Manifolds

Distribute air or liquid from a single supply to multiple areas in a T-slotted framing structure

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