labwork 21 GPM Hydraulic Directional Control Valve, 1/2/3/4/6 Spool and Joystick Options

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  • Placement Hydraulic System
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Product Description

This labwork hydraulic directional control valve series is available in multiple spool and joystick configurations for controlling double-acting hydraulic cylinders. The valves feature durable cast-iron monoblock construction, spring return to neutral, adjustable relief valves, and SAE O-ring ports for reliable hydraulic connections.

Suitable for small tractors, tractor loaders, log splitters, light loading machines, and other mobile hydraulic equipment.

Variant Options

Style Flow Rating Maximum Pressure Control Configuration
1 Spool 21 GPM 3,600 PSI Double acting, spring return
2 Spool 21 GPM 3,600 PSI Double acting, spring return
3 Spool 21 GPM / 80 L/min 3,625 PSI Double acting, spring return
4 Spool 21 GPM 3,600 PSI Double acting, spring return
6 Spool / Joystick Verify; description states 11 GPM 3,625 PSI Six spools with two joysticks
2 Spool / Joystick 21 GPM 3,625 PSI Two spools with joystick control

General Specifications

  • Type: Hydraulic Directional Control Valve
  • Function: Double Acting
  • Circuit: Open Center
  • Spool Return: Spring Return to Neutral
  • Construction: High-Tensile Cast Iron Monoblock
  • Relief Valve: Adjustable
  • Spools: Precision-Ground and Hard-Chrome-Plated
  • Port Type: SAE O-Ring
  • Mounting: Vertical or Horizontal Handle Mount
  • Fitment Type: Hydraulic Replacement Part

3-Spool Port Specifications

  • Mounting Hole Spacing: 3-5/16 in
  • A and B Work Ports: SAE 10 O-Ring, 7/8-14 thread
  • Inlet Port: SAE 10 O-Ring, 7/8-14 thread
  • Outlet Port: SAE 12 O-Ring, 1-1/16 in thread
  • Adjustable Relief Valve Range: 1,500-3,625 PSI

Features

  • Designed for operating double-acting cylinders
  • Spring-return spools restore the control levers to neutral
  • Load checks help reduce unintended load drop
  • Compact design for tight installation areas
  • SAE O-ring ports support secure sealing
  • Open-center pump-to-tank operation
  • Closed-center or power-beyond operation may require a change plug
  • Suitable for motor or single-acting applications with the required plug
  • Durable construction for demanding mobile hydraulic use

Applications

  • Small tractors
  • Tractor loaders
  • Log splitters
  • Light loading machines
  • Other mobile hydraulic equipment

Package Includes

  • 1 × Selected Hydraulic Directional Control Valve
  • Two joystick controls when a joystick variant is selected

Important Note

Select the correct spool count and joystick configuration before ordering. Confirm the flow rating, maximum pressure, port threads, mounting dimensions, and hydraulic circuit compatibility. Professional hydraulic installation is recommended.