Hydraulic Valves | McMaster-Carr

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For Use With

Hydraulic Fluid

Actuation

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

Number of Ports

Hydraulic Valve Default Position

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

NFPA Mounting Pattern

Thread Type

UN/UNF (SAE Straight)

UNJ/UNJF (SAE Straight)

Voltage

Hydraulic Directional Control Valve Flow Pattern

4/3 (Closed Center)

4/3 (Open Center)

4/3 (Open Center Float)

Maximum Flow Rate

Less than 10 gpm

10 gpm to 24 gpm

25 gpm to 49 gpm

50 gpm to 99 gpm

100 gpm or greater

Handle Type

Valve Type

Pressure Regulator

Total Number of Ports

Connection Port

Indicator/Gauge

Dash Size

Material

Stainless Steel

Number of Flow Positions

Number of Solenoids

ISO Mounting Pattern

RoHS

Compliant with Exemptions

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

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

Valve Function

Spec Image

Directional Control

Flow Regulation

Spec Image

Pressure Regulation

Pressure Relief

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229 Products

Fluid Handling

Directional Control Valves

Directional Control Valves

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

Flow-Adjustment Valve Manifolds

Flow-Adjustment Valve Manifolds

Control flow to multiple points from one source

Valve Mounts

Match standard NFPA mounting patterns to connect valves with multiple ports

Flow-Regulating Valves

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

Flow-Adjustment Valves

Flow-Adjustment Valves

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

Air Valves

Fill tanks, tires, and other pressurized equipment

Valve Seats

Seal valves when they're closed to prevent leaks

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

Air Chucks

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

Power Transmission

Hydraulic On/Off Valves

Hydraulic On/Off Valves

Control the flow in high-pressure hydraulic systems

Hydraulic Flow-Adjustment Valves

Hydraulic Flow-Adjustment Valves

Turn the knob to gradually adjust the flow of hydraulic fluid

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