Overflow Valves | McMaster-Carr

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For Use With

Hydraulic Fluid

System of Measurement

Inlet Pipe Size

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

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

Inlet Thread Type

Material

Stainless Steel

Valve Function

Back-Pressure Regulation

Flow Adjustment

Pressure Control

Pressure Regulation

Pressure Relief

Vacuum Regulation

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Valve Type

Back-Pressure Regulator

Pressure Regulator

Vacuum Regulator

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

Shape

Actuation

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 399° F

400° F to 499° F

500° F or greater

Inlet Connection

Push to Connect

Fitting Connection

Push to Connect

Inlet Gender

Seal 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 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

RoHS

Compliant with Exemptions

REACH

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

DFARS Specialty Metals

Export Control Classification Number (ECCN)

How can we improve?

793 Products

Fluid Handling

Pressure-Relief Valves

Pressure-Relief Valves

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

Pressure-Regulating Valves

Pressure-Regulating Valves

Reduce inlet pressure to a lower outlet pressure to protect sensitive 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-Exhaust Valves

Air-Exhaust Valves

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

Facility and Grounds Maintenance

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

Power Transmission

Safety Lockout Valves

Safety Lockout Valves

Prevent accidental start-up when servicing equipment

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