FLOWART // CYLINDER OVERHAUL & TESTING

Industrial Hydraulic Cylinder Repair & Overhaul

Cylinder overhaul is not just replacing seals. To prevent recurring failures, rod condition, tube honing, guide bearings, geometry, and system pressure shocks are analyzed.

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350+ BAR

Pressure Test Planning

H8 / f7

Precision Honing & Grinding Tolerance

100% OEM

Genuine Piston & Rod Seal Overhaul

FLOWART // ENGINEERING SCOPE

Scope of Service & Application Details

Precision cylinder remanufacturing including tube honing, rod hard-chroming, seal replacement, and dynamic 350+ bar pressure testing.

● MICRON HONING● OEM SEALS● 350+ BAR TEST● ROD RE-CHROMING

Micron Audit

Incoming Micron Diagnostics

Bore ovality, rod runout, cavitation pits, and surface roughness laser inspection.

ISO 4406 Clean

Ultrasonic Chemical Decontamination

Complete ultrasonic bath washing removing particulate down to sub-micron level.

H8 / f7 Refurbished

Precision Honing & Re-Chroming

Bore restorative honing to H8 tolerance and heavy hard-chrome rod grinding.

100% OEM Seals

Genuine OEM Seal Kits

Factory-spec polyurethane, PTFE, and bronze-filled wear rings replacement.

DIN Spec Torque

Torque-Controlled Assembly

Calibrated hydraulic torque wrench tightening on piston nuts and head flanges.

Zero-Leakage Cert

350+ BAR Dynamic Proof Test

Pressure-cycle test requirements are agreed according to the project acceptance criteria.

SYSTEMATIC WORKFLOW

Implementation Methodology & Engineering Steps

Controlled engineering process from initial calculation and modeling to machining, dynamic pressure testing, and commissioning.

ENGINEERING & DESIGN

Diagnostic Inspection

External leaks, internal bypass, scoring, rod bending, weld cracks, and seal degradation are systematically evaluated.

FABRICATION & MACHINING

Precision Overhaul

Worn parts are honed, re-chromed, or replaced. Heavy-duty seals selected for specific fluids and temperatures are installed.

TESTING & VERIFICATION

Root Cause Prevention

Underlying causes such as side loads, misalignment, oil contamination, or pressure spikes are documented with corrective advice.

Technical Data & Standards

Uluslararası endüstriyel standartlar (ISO 4413 / DIN), malzeme toleransları ve saha doğrulama gereksinimleri.

TECHNICAL VERIFICATION & DATA SPECIFICATIONS

ISO COMPLIANT

Common Symptoms

Oil leakage, drift under load, speed loss, vibration, frequent seal failure

Inspected Components

Piston rod, cylinder barrel, piston head, gland nut, seals, mounts

Outcome

Fully restored cylinder, extended lifecycle report, or non-economic repair advice

Frequently Asked Questions

Side loading, rod deflection, surface scoring, incompatible seal material, oil contamination, or pressure spikes cause repeat failures.

A preliminary range is provided; accurate quotes require teardown and micrometer measurement of critical components.

Yes, if machine geometry and hydraulic flow allow, stroke or mounting brackets can be re-engineered during overhaul.

Service scope and quotation preparation

Controlled disassembly, diagnostic inspection, component re-machining, seal replacement, and pressure testing.

Information for technical assessment

Component model, nameplate and photos
Application, operating conditions and fault symptoms
Available drawings, measurements and maintenance records
Site location, access and delivery requirements

Service Areas

Sakarya, Kocaeli, İstanbul, Düzce, Bolu, Ankara, Bursa, Yalova.

Site visits depend on scope, safe access and team availability. Component shipping, delivery timing and testing requirements are agreed during quotation.

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Related technical guides

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Contact our engineering team directly for your projects, overhaul needs, and hydraulic troubleshooting.

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