Protect the System. Restore the Surface. Document the Process.
Acuflow brings Ateco Services AG’s specialized chemistry, validated cleaning methods and stainless-steel surface services to pharmaceutical, biotechnology and other critical-process environments. From initial cleaning and derouging to passivation, testing, surface restoration and documented GMP execution, Ateco supports the complete maintenance lifecycle of process systems.
Ateco states that its cleaning chemicals are produced in GMP-compliant facilities with traceability, documentation and analysis certificates. The portfolio includes pH-neutral, alkaline and acidic chemistries selected according to the surface condition and process objective.
Diruneutra SetpH-Neutral Derouging System. Patented pH-neutral derouging system for rapid removal of rouge from stainless-steel water systems and process equipment.
Features
pH-neutral derouging process
Designed for AISI 316L, AISI 316 Ti and AISI 904L stainless-steel surfaces
Short process times with in-process activity control
High material compatibility
Halide-free chemistry
Validated residue-detection methods available
Applicable to WFI systems, pure-steam systems, process vessels and autoclaves
Technical Specifications / Application Data
ParameterTechnical / Application Data
Primary FunctionDerouging of stainless-steel water systems and process equipment
Process Temperature>70 °C
AtmosphereOxygen excluded; residual oxygen <0.5%
Typical Process Time0.5-4 hours depending on rouge condition
Dirupure SetpH-Neutral Derouging System. Patented pH-neutral derouging system designed for flexible operation across a broader temperature range and ambient-air processing.
Features
pH-neutral derouging
Short process duration
Works in ambient-air atmosphere
High material compatibility
Halide-free
Validated verification methods
Suitable for WFI loops, pure-steam systems, vessels, autoclaves and washing machines
Technical Specifications / Application Data
ParameterTechnical / Application Data
Primary FunctionDerouging of stainless-steel process and water systems
Process Temperature20-85 °C depending on surface condition
Dirupass NBpH-Neutral Passivation. Highly oxidizing cleaner used for stainless-steel passivation after derouging or as part of initial passivation workflows.
Features
Designed for passivation after Diruneutra or Dirupure derouging
Can be used for initial passivation with Diruclean preparation
pH-neutral process approach
Low application concentration
Halide-free
Surfactant-free and non-foaming
Suitable for validated cleaning/passivation
Compatible with mixed loads including plastics, stainless steel, nickel alloys and glass
Technical Specifications / Application Data
ParameterTechnical / Application Data
Primary FunctionPassivation of stainless-steel surfaces
Application Concentration2.0-10.0% v/v depending on procedure
pH5.5 for a 1% solution in demineralized water
Density1.13 g/ml concentrate
AppearanceClear, colourless liquid
Process FormatsCIP spray, flooding and cleaning-machine use
Diruclean NSpH-Neutral Special Cleaner. Surfactant-free cleaner with broad material compatibility, particularly suited to initial cleaning and validated pharmaceutical cleaning processes.
Features
pH-neutral in application solution
Silicate- and surfactant-free
Foam-free
Excellent rinsing
No mandatory neutralization step
Compatible with aluminium and anodized aluminium
Suitable for CIP spray, automatic machines, flooding and manual cleaning
Well suited to initial cleaning of new system components
Technical Specifications / Application Data
ParameterTechnical / Application Data
Primary FunctionInitial / validated cleaning of pharmaceutical system components
Typical Concentration0.5-2.0% v/v
pHApprox. 8.0 for a 1% solution in demineralized water
Density1.20 g/ml concentrate
AppearanceClear, colourless to slightly yellowish
Material CompatibilityAluminium, anodized aluminium, stainless steel, plastics, glass
Diruclean BXAlkaline CIP Cleaner. Alkaline CIP cleaning agent developed for demanding GMP-regulated production environments and residue-free, validatable cleaning.
Features
Alkaline-formulated CIP cleaner
Designed for GMP-regulated production environments
Supports residue-free and validated cleaning
Developed for pharmaceutical and biotechnology requirements
Applicable in pharmaceutical, chemical, biotechnology and cosmetics environments
Ateco’s core competencies include passivation of new systems and derouging, deblacking and repassivation of existing stainless-steel systems. Services are supported by controlled execution, inspection, testing and complete documentation.
Core Process Services
On-Site Inspection / Assessment
Features
Inspection of customer sites and process systems
Assessment of rouge and surface condition
Basis for defining treatment scope and chemistry
Technical Scope / Deliverables
ParameterTechnical / Application Data
Primary PurposeEstablish current system condition before treatment
OutputDocumented compliance to project specifications
Documentation & GMP Traceability
Document the Condition. Document the Process. Document the Result.
Ateco documents technical operations through SOP-defined, multi-stage controlled processes. The documentation begins with the system-condition assessment, records all work steps and chemistry use, and continues through the final inspection.
Standard Documentation Can Include
System condition before treatment: visual assessment, rouge-layer thickness, surface roughness and related observations.
Cleaning-process details: chemicals used, concentration, metal content where relevant, target/actual process parameters and residue measurement.
System condition after treatment: visual assessment, cleanliness, residue measurement, surface roughness and passive condition.
Analysis certificate for chemical purity and originality.
Execution protocols verifying process steps against acceptance criteria.
Recorded deviations and documented follow-up actions where deviations occur.
Where Ateco Fits
New SystemInitial CleaningPassivationOperationInspectionDerouging / DeblackingRepassivationOngoing Maintenance
Application Environments
Pharmaceutical and chemical manufacturing
Biotechnology
Food and beverage
Cosmetics
Hospitals and laboratories
Plant and equipment engineering
OEM and process-equipment manufacturing
Acuflow + Ateco
Global Surface-Care Expertise. Local Application Support.
Acuflow helps customers translate equipment condition and maintenance objectives into the appropriate Ateco chemistry, service workflow and documentation package.
