Fluid Pressure Regulators | McMaster-Carr

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Inlet Pipe Size

For Use With

Aluminum Chloride

Argon/Carbon Dioxide Blend

Hydraulic Fluid

Inlet Thread Type

Outlet Pipe Size

Pipe Size

Maximum Pressure

Less than 1,000 psi

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi to 3,999 psi

4,000 psi or greater

Body Material

Stainless Steel

Outlet Pressure

0 psi to 10 psi

0 psi to 15 psi

0 psi to 20 psi

0 psi to 25 psi

0 psi to 50 psi

0 psi to 60 psi

0 psi to 80 psi

0 psi to 125 psi

0 psi to 140 psi

0 psi to 145 psi

0 psi to 200 psi

0 psi to 220 psi

0 psi to 250 psi

0 psi to 350 psi

0 psi to 500 psi

0 psi to 700 psi

Maximum Inlet Pressure

Less than 500 psi

500 psi to 999 psi

1,000 psi to 1,999 psi

2,000 psi to 3,999 psi

4,000 psi or greater

Component

Air-Exhaust Valve

Filter/Regulator

Filter/Regulator/Lubricator

Manifold Regulator

Pressure Switch

Safety Lockout Valve

Inlet Connection

Push to Connect

Quick Disconnect

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 299° F

300° F to 399° F

400° F or greater

Gauge Included

Outlet Thread Type

UN/UNF (SAE 45°)

Inlet Gender

Maximum Pressure Regulation

RoHS

Compliant with Exemptions

REACH

Valve Function

Backflow Prevention

Back-Pressure Regulation

Pressure Control

Pressure Regulation

Pressure Relief

Vacuum Regulation

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Set Pressure

0 psi to 14 psi

0 psi to 50 psi

0 psi to 150 psi

0 psi to 300 psi

0 psi to 700 psi

0 psi to 1,000 psi

0 psi to 1,200 psi

3 psi to 10 psi

4 psi to 15 psi

5 psi to 75 psi

Material

Resin-Filled Graphite

Stainless Steel

Valve Type

Back-Pressure Regulator

Pressure Regulator

Reduced Pressure Zone

Vacuum Regulator

Shape

Overall Height

How can we improve?

2,451 Products

Pressure-Regulating Valves

Pressure-Regulating Valves

Low-Pressure-Regulating Valves for Water

Low-Pressure-Regulating Valves for Water

Respond to the slightest pressure change to maintain stable outlet pressure

Pressure-Regulating Valves for Water, Oil, Air, and Inert Gas

Pressure-Regulating Valves for Water, Oil, Air, and Inert Gas

Reduce a high, variable inlet pressure to a lower, stable outlet pressure

Compact Pressure-Regulating Valves for Water

Compact Pressure-Regulating Valves for Water

A low-profile body fits in systems where space is at a premium

High-Pressure-Regulating Valves for Water, Oil, Air, and Inert Gas

High-Pressure-Regulating Valves for Water, Oil, Air, and Inert Gas

Withstand more than six times the pressure of standard valves

Miniature Ultra-High-Pressure-Regulating Valves for Water, Air, and Inert Gas

Miniature Ultra-High-Pressure-Regulating Valves for Water, Air, and Inert Gas

Regulate extremely high pressure in tight spots

Vibration-Damping Pressure-Regulating Valves for Water, Oil, Air, and Inert Gas

Vibration-Damping Pressure-Regulating Valves for Water, Oil, Air, and Inert Gas

A cast iron body absorbs vibration to reduce wear and noise

Corrosion-Resistant Panel-Mount Ultra-High-Pressure-Regulating Valves for Water, Air, and Inert Gas

Corrosion-Resistant Panel-Mount Ultra-High-Pressure-Regulating Valves for Water, Air, and Inert Gas

Resist corrosion in wet conditions and withstand pressure up to 6,000 psi

Pressure-Regulating Valves with Push-to-Connect Fittings for Food and Beverage

Pressure-Regulating Valves with Push-to-Connect Fittings for Food and Beverage

Push-to-connect fittings form a seal around plastic or soft metal tubing

Long-Life Pressure-Regulating Valves for Water, Oil, Air, and Inert Gas

Long-Life Pressure-Regulating Valves for Water, Oil, Air, and Inert Gas

The bronze body lasts longer than standard valves

Corrosion-Resistant Pressure-Regulating Valves for Water, Oil, Air, and Inert Gas

Corrosion-Resistant Pressure-Regulating Valves for Water, Oil, Air, and Inert Gas

Resist corrosion in wet environments

Quick-Set Pressure-Regulating Valves for Water

Quick-Set Pressure-Regulating Valves for Water

Turn the dial to adjust the outlet pressure without using a gauge

Miniature Panel-Mount Pressure-Regulating Valves for Water, Air, and Inert Gas

Miniature Panel-Mount Pressure-Regulating Valves for Water, Air, and Inert Gas

Our smallest valve reduces pressure in spaces where other valves can't fit

Heavy Duty Pressure-Regulating Valves for Water and Air

Heavy Duty Pressure-Regulating Valves for Water and Air

Thicker walls make these tougher than brass pressure-regulating valves

Corrosion-Resistant Compact Pressure-Regulating Valves for Water

Corrosion-Resistant Compact Pressure-Regulating Valves for Water

Often used on humidifiers and fountains, they withstand deionized water and corrosive conditions

Pressure-Regulating Valves with Garden Hose Fittings for Water

Pressure-Regulating Valves with Garden Hose Fittings for Water

Regulate pressure in light-duty water systems with garden hose connections

Tank-Mount Pressure-Regulating Valves for Air and Inert Gas

Tank-Mount Pressure-Regulating Valves for Air and Inert Gas

Reduce a high pressure from compressed gas tanks to a lower outlet pressure

Pressure-Regulating Valves for Drinking Water

Pressure-Regulating Valves for Drinking Water

Install in drinking water systems

Pressure-Regulating Valves with Compression Fittings for Food and Beverage

Pressure-Regulating Valves with Compression Fittings for Food and Beverage

Compression fittings create tighter seal than push-to-connect fittings

Clean Room Pressure-Regulating Valves for Water, Air, and Inert Gas

Clean Room Pressure-Regulating Valves for Water, Air, and Inert Gas

Maintain contaminant-free standards in clean room environments

Sanitary Pressure-Regulating Valves

Sanitary Pressure-Regulating Valves

Regulate pressure on food, beverage, and pharmaceutical lines

Plastic Panel-Mount Pressure-Regulating Valves for Air

Plastic Panel-Mount Pressure-Regulating Valves for Air

Regulate pressure in air and inert gas systems from your instrument panel

Plastic Panel-Mount Pressure-Regulating Valves for Water

Plastic Panel-Mount Pressure-Regulating Valves for Water

Mount to your water system with a panel-mount nut below the adjustment knob

Tank-Mount High-Pressure-Regulating Valves for Air and Inert Gas

Tank-Mount High-Pressure-Regulating Valves for Air and Inert Gas

Withstand at least seven times the pressure of standard tank-mount valves

Threaded Pressure-Regulating Valves for Food and Beverage

Threaded Pressure-Regulating Valves for Food and Beverage

Regulate pressure in food and beverage lines

High-Temperature Pressure-Regulating Valves for Water, Oil, Air, and Inert Gas

High-Temperature Pressure-Regulating Valves for Water, Oil, Air, and Inert Gas

Withstand temperatures up to 550° F

High-Purity Tank-Mount Pressure-Regulating Valves for Inert Gas

High-Purity Tank-Mount Pressure-Regulating Valves for Inert Gas

Reduce contaminants in gases used in high-purity applications

Cleaned and Bagged Pressure-Regulating Valves for Air and Inert Gas

Cleaned and Bagged Pressure-Regulating Valves for Air and Inert Gas

Regulate pressure for oxygen service and other high-purity applications

Tank-Mount Pressure-Regulating Valves for Fuel Gases

Tank-Mount Pressure-Regulating Valves for Fuel Gases

Attach to tanks of acetylene, hydrogen, methane, propane, or propylene

Easy-Read Tank-Mount Pressure-Regulating Valves with Flowmeter for Inert Gas

Easy-Read Tank-Mount Pressure-Regulating Valves with Flowmeter for Inert Gas

Flowmeters let you see the gas flow rate from a distance

Tank-Mount Pressure-Regulating Valves with Flowmeter for Inert Gas

Tank-Mount Pressure-Regulating Valves with Flowmeter for Inert Gas

Measure the gas flow rate and regulate pressure

Clean Room Panel-Mount Pressure-Regulating Valves for Air and Inert Gas

Clean Room Panel-Mount Pressure-Regulating Valves for Air and Inert Gas

Install on instrument panels for easy access in in clean room environments

High-Purity Tank-Mount Pressure-Regulating Valves for Fuel Gases

High-Purity Tank-Mount Pressure-Regulating Valves for Fuel Gases

Reduce contaminants in high-purity systems of hydrogen and methane gas

Pressure-Regulating Valves for Steam

Pressure-Regulating Valves for Steam

A cast iron body absorbs vibration to reduce wear and noise

Pressure-Regulating Valves for Fuel Gases

Pressure-Regulating Valves for Fuel Gases

Install in gas pipelines to regulate acetylene, hydrogen, or propane

Tank-Mount Pressure-Regulating Valves for Cryogenic Cylinders

Tank-Mount Pressure-Regulating Valves for Cryogenic Cylinders

Reduce a high pressure from compressed gas tanks to a lower outlet pressure

Tank-Mount Pressure-Regulating Valves for Moisture Removal

Tank-Mount Pressure-Regulating Valves for Moisture Removal

Purge nitrogen gas in air conditioning, refrigeration, and plumbing systems

Hydraulic Valves

Pressure-Regulating Inline Hydraulic Valves

Pressure-Regulating Inline Hydraulic Valves

Maintain a consistent pressure when input pressure varies

Pressure-Regulating Block-Mount Hydraulic Valves

Pressure-Regulating Block-Mount Hydraulic Valves

Use screws to attach to an NFPA valve-mounting block

Back-Pressure-Regulating Valves

Long-Life Back-Pressure-Regulating Valves for Water and Oil

Long-Life Back-Pressure-Regulating Valves for Water and Oil

The bronze body lasts longer than standard valves

Sanitary Back-Pressure-Regulating Valves

Sanitary Back-Pressure-Regulating Valves

Install at the end of pipelines on processing and sanitizing equipment

Other Products

Pressure-Relief Valves

Pressure-Relief Valves

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

Airlocks

Vent gases out of flasks, carboys, and other containers without letting dust and oxygen in

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 Filters

Compressed Air Filters

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

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/Lubricators

Compressed Air Filter/Regulator/Lubricators

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

Pressure-Relief Discs

Pressure-Relief Discs

Rupture at a set pressure or temperature to vent fluid and gas and protect machinery; one-time use

On-Off Valves

Start and stop flow through a line

Backflow-Prevention Valves

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

Compressed Air Regulator Manifolds

Compressed Air Regulator Manifolds

Use a single air supply to meet multiple pressure requirements

Vacuum Breakers

Vacuum Breakers

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

Compressed Air Filter/Regulator/Lubricator Manifolds

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

Water Hammer Arresters

Water Hammer Arresters

Absorb shock of sudden shutoffs to prevent knocking noises in water pipes

Air-Exhaust Valves

Air-Exhaust Valves

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

Vacuum-Regulating Valves

Vacuum-Regulating Valves

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

Pressure Switches

Pressure Switches

Activate controls, set off alarms, and power equipment when a set pressure is reached

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

Compressed Air Filter Elements

Compressed Air Filter Elements

Replace filter elements for peak performance in removing solid particles, water droplets, and oil

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