Servo & Proportional Valve Repair

Servo and proportional valves are engineered for precise, high-performance hydraulic control, and even minor wear or contamination can throw off accuracy. Performance Servo repairs, rebuilds, and calibrates servo and proportional valves across every major brand we support, restoring OEM specifications with upgraded electronics and full burn-in testing.

Choose Your Brand

What We Service

Tokyo Keiki Proportional & Servo Valves

  • Two-Stage & Direct-Drive Servo Valves
  • Proportional Directional Valves
  • Proportional Pressure & Flow Controls
  • Servo Cartridge Valves
  • EPDG1 / EPDG3 Series
  • Amplifier Cards & Controllers
  • Industrial Motion Control Valves

Every Repair Includes

Every valve that comes through our shop is fully disassembled, cleaned, and inspected against OEM specifications. We test motor torque response, spool travel, internal leakage, and null bias on dedicated test benches before any repair begins; then we rebuild, recalibrate, and burn-in test the completed unit for 12 to 24 hours to confirm it performs under real-world conditions before it ships back to you.

Need Technical Documentation?

Browse catalogs, manuals, and troubleshooting guides for every brand we service in one place.

Our Repair Process

Step 1
Inspect
Step 2
Evaluate
Step 3
Repair
Step 4
Upgrade
Step 5
Test

Is Your Servo or Proportional Valve Giving You Trouble?

Send it in for expert servo valve repair or proportional valve repair. We'll diagnose the problem, rebuild it to spec, and get it back to you ready to run.


Request a Repair

Is Your Electro-Hydraulic Pump Acting Up on You?

Don't guess. Send your electro-hydraulic pump our way and we'll track down the issue, restore it, and have you back up fast.


Request a Repair

Electronics Repair for Proportional Valves

Don't guess. Send your electro-hydraulic pump our way and we'll track down the issue, restore it, and have you back up fast.


Request a Repair