Hydraulic Valves | McMaster-Carr

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For Use With

Pipe Size

Actuation

Maximum Pressure

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

Hydraulic Valve Default Position

Closed

Open

P Closed, A and B Open to T

P Closed, A Open to T

P Open to A, B Open to T

P Open to B, A Open to T

P Open to T, A and B Closed

Thread Type

UN/UNF (SAE Straight)

UNJ/UNJF (SAE Straight)

Number of Ports

NFPA Mounting Pattern

Voltage

Gender

Valve Type

Maximum Flow Rate

Material

Total Number of Ports

Handle Type

Valve Function

Dash Size

Hydraulic Directional Control Valve Flow Pattern

4/3 (Open Center Float)

Connection Port

Body Material

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

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

Yes

Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

Exempt

Hydraulic Directional Control Valve Type

230 Products

Fluid Handling

Directional Control Valves

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

34 products

On-Off Valves

Start and stop flow through a line

43 products

Flow-Adjustment Valve Manifolds

Control flow to multiple points from one source

1 product

Flow-Adjustment Valves

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

2 products

Valve Mounts

Match standard NFPA mounting patterns to connect valves with multiple ports

8 products

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

50 products

Air Valves

Fill tanks, tires, and other pressurized equipment

2 products

Valve Seats

Seal valves when they're closed to prevent leaks

40 products

Hose

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

1 product

Air Chucks

Connect air hose to Schrader valves, which are common on tires and hydraulic systems

6 products

Pressure-Relief Valves

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

25 products

Pressure-Regulating Valves

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

3 products

Power Transmission

Hydraulic Flow-Adjustment Valves

Turn the knob to gradually adjust the flow of hydraulic fluid

2 products