Hydraulic Pump Valves | McMaster-Carr

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Pipe Size

Thread Type

UN/UNF (SAE Straight)

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

Actuation

Valve Function

Backflow Prevention

Directional Control

Flow Regulation

Pressure Regulation

Pressure Relief

Dash Size

Valve Type

Pressure Regulator

Body Material

Stainless Steel

Total Number of Ports

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

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

Connection Port

Indicator/Gauge

Handle Type

Gender

Voltage

Flow Control Type

One Direction with Unrestricted Reverse

REACH

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

Number of Ports

Seal Material

Return Actuation

NFPA Mounting Pattern

Flow Rate

Less than 2 gpm

2 gpm to 2.9 gpm

3 gpm to 4.9 gpm

5 gpm to 9.9 gpm

10 gpm or greater

Hydraulic Directional Control Valve Flow Pattern

4/3 (Closed Center)

4/3 (Open Center)

4/3 (Open Center Float)

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212 Products

Fluid Handling

Directional Control Valves

Directional Control Valves

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

On-Off Valves

Start and stop flow through a line

Flow-Regulating Valves

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

Flow-Adjustment Valve Manifolds

Flow-Adjustment Valve Manifolds

Control flow to multiple points from one source

Flow-Adjustment Valves

Flow-Adjustment Valves

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

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

Power Transmission

Hydraulic Check Valves

Hydraulic Check Valves

Open to allow hydraulic fluid flow in one direction and close when flow stops or reverses

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.)