Pressure Ports | McMaster-Carr

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For Use With

Argon/Carbon Dioxide Blend

Boric Acid

Carbon Dioxide

Deionized Water

System of Measurement

Inlet Pipe Size

Body Material

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

Not Rated

Valve Function

Backflow Prevention

Back-Pressure Regulation

Inlet Thread Type

Shape

Valve Type

Back-Pressure Regulator

Reduced Pressure Zone

Maximum Temperature

Actuation

Seal Material

Inlet Gender

Inlet Connection

Set Pressure

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi or greater

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

2B999

EAR99

RoHS

Compliant

Compliant with Exemptions

Not Compliant

Inlet Connection Port

Outlet Pressure

Minimum Temperature

Pipe Size

Inlet Location

Set Pressure Configuration

Adjustable

Fixed

Relief Port Pipe Size

882 Products

Fluid Handling

Pressure-Relief Valves

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

225 products

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

139 products

Pressure-Regulating Valves

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

284 products

Pressure-Relief Discs

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

39 products

Vacuum-Regulating Valves

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

14 products

Vacuum Breakers

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

27 products

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

26 products

On-Off Valves

Start and stop flow through a line

25 products

Diverting Valves

Redirect flow between ports

4 products

Flow-Adjustment Valves

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

26 products

Air Vent Valves

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

21 products

Lubricating

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

1 product

Electrical

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

8 products

Electrical Enclosure Vents

Attach to sealed enclosures so air can flow to equalize temperature and pressure

5 products

Facility and Grounds Maintenance

Air Admittance Valves

Allow air into drain, waste, and vent systems so you don't have to vent plumbing to the outdoors

2 products