Free diagnosis✓ Quote within 1 week48h express service✓ Test certificate on request✓ Since 1995
Repair Specialist · Made in Germany · Manufacturer-Independent

Hydraulic valve repair — up to 60% cheaper than new

Professional reconditioning of servo and proportional valves from all leading manufacturers. Free initial diagnosis, test certificate on request, fast processing worldwide.

Send enquiry now +49 (0) 7156 1755-0

No risk — you decide after receiving the quote.

–60%
vs. OEM price
Always cheaper than manufacturer
1 wk.
Free quote
After receipt of component
48h
Express service
Machine downtime
30+
Years experience
Specialist since 1995
Services

Which hydraulic valves we repair

Servo Valves

Complete overhaul of electrohydraulic servo valves — nozzle-flapper, jet-pipe, direct drive. Spool lapping, torque motor reconditioning, calibration on computer test bench.

MoogBosch RexrothParkerEaton Vickers

Proportional Valves

Repair and calibration of proportional directional, pressure and flow control valves. Electronic card repair at component level, solenoid reconditioning.

Bosch RexrothVickersHaweAtos

Directional Control Valves

Reconditioning of hydraulic directional valves of all types — spool and poppet, switching and proportional, CETOP standard, including older discontinued series.

Rexroth 4WEParker D03HaweAtos

Electronic Control Cards

In-house PCB repair at component level: capacitors, driver ICs, amplifiers, controllers. Also for discontinued electronics without spare parts supply.

Rexroth VT-SeriesMoog D633All OEM cards

Pressure Valves

Repair of pressure relief valves, pressure regulating valves and pressure reducing valves. Readjustment of pressure characteristics, seal replacement, cleaning.

Rexroth DBDParkerHaweMoog

Check & Flow Valves

Reconditioning of check valves, pilot-operated check valves, flow control and flow divider valves from all common manufacturers.

RexrothEaton VickersParkerStar
Not listed? We repair hydraulic valves from all manufacturers and types — send enquiry with type designation, we check feasibility free of charge.
Our Process

Repaired in 5 steps

1
Send in
Pack valve securely and send to us — shipping instructions on request.
2
Free diagnosis
Complete incoming diagnosis on computer test bench. Fault analysis documented in writing.
3
Receive quote
Detailed quote within 1 week — free, no obligation. You decide.
4
Repair
Cleaning, seals, electronics, mechanical reconditioning — after your approval.
5
Test certificate & return
Test bench test, test certificate on request, secure packaging and fast return shipment.
Manufacturer Expertise

Hydraulic valves we repair

Moog
D633 · D634 · D636 · D638 · G631 · G761 · 72-Series · 30-Series · 31-Series
Bosch Rexroth
4WE6 · 4WE10 · 4WEH · 4WRZE · 4WRPEH · 4WREE · VT-VSPA · VT-HACD · 4WRKE
Parker Hannifin
D03 · D05 · D08 · SM4 · SM4-20 · TDZ · KBFDG4V · PVXS · Series 2G
Eaton Vickers
KBF · KBFDG · MCD · MCDB · DG4V · DG5V · DGVM · CT · CG5V
Hawe Hydraulik
EV · UV · GR · PSV · SV · NV · WN · PMVP
Atos
DPZO-A · DPZO-L · DHZE · QVHZO · RZGO · DPHI · LIQZO · DLHZO
Star Hydraulics
Servo valves · Proportional valves · Directional valves
Textron
Hydraulic control & servo valves

Frequently repaired valve types & part numbers

Moog Servo Valves
  • Moog D633-319C · D633-317C
  • Moog D634-319C · D634-317C
  • Moog D636-K004 · D636-K007
  • Moog D638-K004 · D638-K007
  • Moog G761-3003 · G761-3004
  • Moog G631-3005 · G631-3017
  • Moog 72-102 · 72-103 · 72-209
Bosch Rexroth Proportional Valves
  • Rexroth 4WRZE 10 E · 4WRZE 16 E
  • Rexroth 4WRZE 25 E · 4WRZE 32 E
  • Rexroth 4WRPEH 6 · 4WRPEH 10
  • Rexroth 4WREE 6 · 4WREE 10
  • Rexroth 4WE 6 D · 4WE 10 D
  • Rexroth 4WEH 16 · 4WEH 22
  • Rexroth VT-VSPA1 · VT-HACD-1
Parker & Eaton Vickers
  • Parker D03W · D05W · D08W
  • Parker SM4-20 · SM4-40 · SM4-60
  • Parker KBFDG4V-5 · KBFDG4V-3
  • Vickers KBF-G · KBFDG-G
  • Vickers DG4V-3 · DG4V-5 · DG5V-8
  • Eaton MCD-8534 · MCD-8521
  • Parker TDZ-10 · TDZ-16 · TDZ-25
Your Benefits

Why customers trust us with their hydraulic valves

–60%
vs. OEM price
Repair is almost always cheaper than a spare part from the manufacturer — same quality, test bench documented.
Test bench
Test certificate on request
Every repaired valve is tested on the computer test bench. Test protocol with all measured values available on request.
Free
Initial diagnosis
Diagnosis and quote are free of charge — no obligation. We only start after your approval.
48h
Express service
Express repair on request for machine downtime. Minimum downtime for your production.
30+
Years expertise
Servo hydraulics specialist since 1995 — decades of experience with all common valve types.
DE & Int.
Shipping
Repair and return shipping nationwide and internationally — insured, fast, tracked.
FAQ

FAQ — Hydraulic Valve Repair

Hydraulic valve defective?
We repair it.

Free diagnosis, quote within 1 week, no risk. Send your enquiry now and save up to 60%.

Diagnosis
Free
Quote
1 week
Express service
48 hours
Send enquiry now All repair services
V.I.T. Systemtechnik GmbH Raiffeisenstraße 7–9 · 70839 Gerlingen · Tel: +49 (0) 7156 1755-0 · info@vit-group.com