Pressure-Reducing Valves | McMaster-Carr

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Inlet Pipe Size

For Use With

Hydraulic Fluid

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 30 psi

0 psi to 50 psi

0 psi to 60 psi

0 psi to 80 psi

0 psi to 100 psi

0 psi to 125 psi

0 psi to 140 psi

0 psi to 145 psi

0 psi to 150 psi

0 psi to 200 psi

0 psi to 220 psi

Pipe Size

Body Material

Stainless Steel

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

Outlet Pipe Size

Material

Stainless Steel

Valve Function

Back-Pressure Regulation

Pressure Regulation

Pressure Relief

Vacuum Regulation

Inlet Thread Type

Shape

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

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

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

Inlet Connection

Push to Connect

Valve Type

Back-Pressure Regulator

Pressure Regulator

Vacuum Regulator

Outlet Thread Type

UN/UNF (SAE 45°)

Seal Material

Stainless Steel

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

Fitting Connection

Push to Connect

RoHS

Compliant with Exemptions

REACH

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

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Inlet Gender

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565 Products

Pressure-Regulating Valves

Pressure-Regulating Valves

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

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

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

Pressure-Regulating Valves for Drinking Water

Pressure-Regulating Valves for Drinking Water

Install in drinking water systems

Low-Pressure-Regulating Valves for Water

Low-Pressure-Regulating Valves for Water

Respond to the slightest pressure change to maintain stable outlet pressure

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

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

Pressure-Regulating Valves for Steam

Pressure-Regulating Valves for Steam

A cast iron body absorbs vibration to reduce wear and noise

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

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

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

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

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-Accuracy Pressure-Regulating Valves for Steam

High-Accuracy Pressure-Regulating Valves for Steam

Control steam line pressure with ±1 psi accuracy

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

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

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

Install on an instrument panel for easy access

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

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

Withstand inlet pressures up to 3,500 psi

Long-Life Pressure-Regulating Valves for Steam

Long-Life Pressure-Regulating Valves for Steam

The bronze body lasts longer than standard valves

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

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

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

Pressure-Regulating Valves for Chemicals

Pressure-Regulating Valves for Chemicals

The plastic body and fluoroelastomer rubber seal stand up to harsh chemicals

Panel-Mount Ultra-High-Pressure-Regulating Valves for Air and Inert Gas

Panel-Mount Ultra-High-Pressure-Regulating Valves for Air and Inert Gas

Withstand inlet pressures up to 6,000 psi

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

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

Corrosion-Resistant Pressure-Regulating Valves for Steam

Corrosion-Resistant Pressure-Regulating Valves for Steam

Resist corrosion in wet environments

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

Threaded Pressure-Regulating Valves for Food and Beverage

Threaded Pressure-Regulating Valves for Food and Beverage

Regulate pressure in food and beverage lines

Tamper-Resistant Compact Pressure-Regulating Valves for Air and Inert Gas

Tamper-Resistant Compact Pressure-Regulating Valves for Air and Inert Gas

Prevent changes to your pressure setting

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

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

Pressure-Regulating Valves for Fuel Gases

Pressure-Regulating Valves for Fuel Gases

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

Sanitary Pressure-Regulating Valves

Sanitary Pressure-Regulating Valves

Regulate pressure on food, beverage, and pharmaceutical lines

Long-Life Pressure-Regulating Valves for Cryogenic Liquids

Long-Life Pressure-Regulating Valves for Cryogenic Liquids

The bronze body lasts longer than standard valves

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

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

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

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

Pressure-Regulating Valves for Cryogenic Liquids

Pressure-Regulating Valves for Cryogenic Liquids

Withstand the extreme cold of argon, nitrogen, and oxygen in liquid form

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

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

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

Adjustable-Range Compressed Air Regulators

Adjustable-Range Compressed Air Regulators

Includes four springs to regulate multiple pressure ranges

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

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

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

Back-Pressure-Regulating Valves for Water and Oil

Back-Pressure-Regulating Valves for Water and Oil

Obstruct flow to maintain sufficient operating pressure in your system

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

Back-Pressure-Regulating Valves for Air and Inert Gas

Back-Pressure-Regulating Valves for Air and Inert Gas

Obstruct flow to maintain sufficient operating pressure in your system

Sanitary Back-Pressure-Regulating Valves

Sanitary Back-Pressure-Regulating Valves

Install at the end of pipelines on processing and sanitizing equipment

Panel-Mount Back-Pressure-Regulating Valves for Air and Inert Gas

Panel-Mount Back-Pressure-Regulating Valves for Air and Inert Gas

Install on an instrument panel

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

Vacuum-Regulating Valves

Vacuum-Regulating Valves

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

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

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