INAUEN Repair Services India
INAUEN is a Swiss manufacturer specialising in hydraulic proportional valves, directional control systems, and pneumatic automation components for industrial machinery. Founded in 1946, INAUEN has built a strong reputation for precision engineering and reliability in European manufacturing. Their products are increasingly integrated into Indian textile, packaging, injection moulding, and automotive supply chain equipment.
INAUEN is a Swiss manufacturer specialising in hydraulic proportional valves, directional control systems, and pneumatic automation components for industrial machinery. Founded in 1946, INAUEN has built a strong reputation for precision engineering and reliability in European manufacturing. Their products are increasingly integrated into Indian textile, packaging, injection moulding, and automotive supply chain equipment.
Synchronics Electronics repairs the complete INAUEN proportional valve range, directional spool assemblies, pressure compensators, and integrated hydraulic control manifolds. Our 180+ engineers have logged over two decades of experience diagnosing spool stiction, solenoid coil faults, and pilot pressure regulation issues specific to INAUEN's modular valve architecture. Indian manufacturers trust Synchronics for rapid turnaround on INAUEN valve repairs that restore machine cycle time and reduce hydraulic system downtime.
Expert repair of INAUEN proportional valves, directional controls, and manifold assemblies across Indian manufacturing.
INAUEN Product Lines We Repair
Our engineers are trained on the full INAUEN product range. Below are the major product families we service.
INAUEN Proportional Directional Control Valves (PDCV)
Spool-type proportional valves with integral electronics for precise flow and pressure modulation in injection moulding, packaging, and textile machinery. Common faults include spool stiction under contaminant load, solenoid coil burnout, and pilot relief drift.
INAUEN Pressure Compensators and Load Sensing Valves
Compensator cartridges used in custom manifolds to maintain constant differential pressure across proportional spools. Failures occur due to internal poppet erosion, compensator spring relaxation, and pilot line blockage.
INAUEN Solenoid Valve Coil Assemblies
24 VDC and 230 VAC solenoid coils integrated into proportional and on-off directional valve bodies. Coil insulation breakdown, plunger seizure in guide bore, and connector corrosion are typical failure modes in humid Indian manufacturing environments.
INAUEN Manifold Block Integrated Systems
Custom sandwich-stack manifold assemblies combining proportional valves, pressure relief, flow dividers, and shuttle logic. Repair requires expertise in cavity thread restoration, internal valve port reconditioning, and seal stack replacement.
INAUEN Pneumatic Proportional Control Valves
Air-operated proportional valves for textile loom machinery, packaging automation, and printing presses. Common issues include diaphragm rupture, spool corrosion in humid plants, and air signal port restriction.
Why Choose Synchronics for INAUEN Repairs?
PCB-Level Expertise
We repair down to the component level — not just swap boards. Our engineers identify root causes, replace failed IGBTs, capacitors, processors, and gate drivers on INAUEN equipment.
Fast Turnaround
Standard 7–10 working days. Express 3–5 days available for critical breakdowns. Emergency same-day/next-day service for unplanned downtime.
6-Month Warranty
Every repaired unit ships with a 6-month comprehensive warranty on parts and labour. Our repair success rate is over 94% across all brands.
All-India Service
Couriered repairs accepted from any city in India. Doorstep pickup available in Vadodara, Mumbai, Pune, Ahmedabad, Surat, Chennai, and more.
Common INAUEN Equipment Faults We Fix
Based on 30+ years of repair data, these are the most frequent failure modes we see in INAUEN equipment arriving at our workshop.
- ✓Spool stiction and sluggish proportional response — Hydraulic fluid contamination and microbial growth in tanks, combined with INAUEN's tight spool-to-bore clearance (typically 0.008-0.012 mm). Silt and oxidised fluid varnish cause mechanical binding.
- ✓Solenoid coil open-circuit or short-circuit fault — Moisture ingress through corroded connector terminals in coastal Indian plants or high-humidity textile mills. Insulation breakdown occurs when condensation forms inside the coil cavity during idle periods or rapid temperature cycling.
- ✓Pressure compensator drift and creep under load — Internal poppet valve erosion from particulate matter, or loss of preload in the compensator spring after extended operation. INAUEN compensators are sensitive to fluid cleanliness and cycle fatigue.
- ✓External manifold block leakage at sandwich interfaces — Corrosion and surface pit formation on mating faces, seal extrusion due to oversized cavities, or thread damage during installation in Indian field conditions where thread-locking compound is sometimes over-applied.
- ✓Pilot pressure line blockage and proportional valve lock-up — Contamination buildup in pilot passages, or microbial fouling in shared pilot manifold galleries common in Indian manufacturing plants. Pilot signal restriction prevents solenoid modulation of main spool.
- ✓Directional spool internal leakage and reduced output force — Seal wear and micro-abrasion of the spool bore from metallic particle circulation. High cycle-count machines in Indian beverage and pharmaceutical packaging plants experience accelerated spool bore deterioration.
How We Repair Your INAUEN Unit
Receive & Log
Your unit is logged into our tracking system with a unique job number. You receive WhatsApp / email updates at every stage.
Fault Diagnosis
Board-level diagnosis using oscilloscopes, LCR meters, and thermal cameras. Root cause identified before any repair begins.
Component Repair
Faulty ICs, capacitors, MOSFETs, IGBTs, and gate drivers replaced with genuine or equivalent-spec components.
Full-Load Test
Unit tested under rated load with original or equivalent motor. All parameters verified. 6-month warranty issued.
Industries Using INAUEN Equipment
We serve plant maintenance teams across all major industries where INAUEN automation is deployed.
Frequently Asked Questions — INAUEN Repairs
Do you repair INAUEN hydraulic valves and manifolds anywhere in India?+
Yes. Synchronics Electronics repairs the complete INAUEN proportional valve, directional control, and manifold assembly range across all of India. We operate PAN India door pickup and delivery from Vadodara, Gujarat, with courier collection from Mumbai, Delhi, Pune, Chennai, Hyderabad, Ahmedabad, Bangalore, and every industrial city. Typical repair turnaround is 7-14 days depending on manifold complexity and component availability.
What is the typical repair cost for an INAUEN proportional directional control valve in India?+
INAUEN proportional valve repairs (including solenoid coil, spool reconditioning, seal stack replacement, and functional testing) typically range from 8,000 to 18,000 INR depending on valve size and fault severity. Manifold block repairs with internal porting restoration can range from 12,000 to 35,000 INR. We provide a free diagnostic assessment and quote before repair.
Can Synchronics repair INAUEN manifold block cavity bore damage and thread stripping?+
Absolutely. Synchronics specialises in manifold cavity reconditioning using precision CNC honing and thread repair kits. We use helicoil inserts for damaged bolt holes, machine-lapped porous cavity surfaces to restore hydraulic sealing, and reinstall sandwich seals with controlled torque. This service is ideal when manifold replacement cost is prohibitive in Indian manufacturing plants.
What INAUEN solenoid coil voltages and coil styles do you stock for rapid replacement?+
Synchronics stocks 24 VDC and 230 VAC solenoid coil assemblies compatible with INAUEN proportional valves (WE 06, WE 10, WE 16, WE 25 series) and open-frame coil kits. We also supply equivalent-specification coils from certified OEM suppliers. Lead time for non-stock coils is 3-5 days within India. All coil replacements include moisture-proof connectors and conformal insulation coating.
How do I prevent INAUEN valve spool stiction and prolong valve life in Indian humid environments?+
Synchronics recommends quarterly fluid analysis to ISO 4406 cleanliness, annual tank decontamination, and 3-micron return line filtration. In coastal plants and high-humidity textile mills, install desiccant breathers on hydraulic tanks to minimise moisture absorption. During idle periods (seasonal shutdowns), run the hydraulic system quarterly to circulate and inhibit corrosion. We provide preventive maintenance consultations for Indian customers facing tropical climate challenges.
How do I send my INAUEN unit for repair?+
Pack the unit securely and courier it to our Vadodara workshop. Include a note with the fault description and your contact details. We will log it into our system and WhatsApp you a job number within 24 hours of receipt. Doorstep pickup is available in Vadodara, Ahmedabad, Surat, Mumbai, and Pune.
What is the cost of repairing a INAUEN drive or PLC?+
Repair cost depends on the model and the fault. We offer a free diagnosis — once we identify the fault, we provide a fixed quotation before proceeding. Typical repairs cost 20–40% of the new unit price. We will never repair without your approval.
What warranty do you provide on INAUEN repairs?+
All repaired units carry a 6-month comprehensive warranty covering the same fault and related issues. If the fault recurs within the warranty period, we repair it free of cost.
Do you provide a no-fix, no-fee guarantee?+
Yes. If we cannot repair your INAUEN unit after diagnosis, you pay only the diagnosis fee (₹500–₹1,500 depending on the product). The unit is returned to you at no additional charge.
INAUEN Repair Catalog
No products found for INAUEN
Don't See Your INAUEN Model Listed?
We repair the full range of INAUEN industrial electronics — even if the specific model is not yet in our catalog. Send us the unit details and we'll confirm repairability within 24 hours.
Free evaluation • 6-month warranty • PAN India pickup
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Back in Action — Fast
Send us your faulty industrial electronics. Our engineers will diagnose it and provide a detailed quote within 24 hours — with no obligation to proceed.
Free Evaluation
No obligation
48hr Turnaround
Fastest in India
6-Month Warranty
Every repair
No Fix, No Charge
Zero risk policy
Pan-India Pickup
Doorstep service