Miele PLW 8636 Laboratory Bottle Washer
| Brand | Miele |
|---|---|
| Origin | Germany |
| Model | PLW 8636 |
| Chamber Volume | 146 L |
| External Dimensions (L×W×D) | 1430 × 900 × 700 mm |
| Pump Cycle Endurance | Rated for 15,000 cleaning cycles |
| User Interface | Touchscreen with programmable logic control (PLC) |
| Compliance | Designed to support ISO 15883-1, DIN EN ISO 13485, and GLP/GMP-aligned validation protocols |
Overview
The Miele PLW 8636 is a high-capacity, CE-marked laboratory bottle washer engineered for precision cleaning, thermal disinfection, and reproducible drying of reusable labware—including volumetric flasks, centrifuge tubes, pipette tips, reaction vessels, and custom glass/plastic assemblies. It operates on a validated thermodynamic cleaning principle: controlled multi-stage cycles combining pre-wash, alkaline/enzymatic wash, intermediate rinse, final rinse (with optional deionized water), thermal disinfection (≥90 °C for ≥1 minute per EN ISO 15883-1), and forced-air drying. Its 146 L stainless-steel chamber accommodates up to 4 standard rack positions (compatible with DIN 12878 and ISO 8573-1 compliant racks), supporting batch processing under traceable, auditable conditions required in regulated environments.
Key Features
- Intuitive 7-inch color touchscreen HMI with multilingual interface and password-protected user levels (Operator, Technician, Administrator)
- Modular EasyLoad basket system with adjustable spray nozzle positioning—enabling configuration for irregular or oversized items without compromising coverage uniformity
- High-efficiency circulation pump (variable-speed, 3.2 kW nominal output) delivering consistent 12–18 bar dynamic pressure across all load conditions
- Precision dosing system with dual peristaltic pumps and integrated conductivity/temperature sensors for real-time detergent and neutralizer concentration monitoring
- Integrated process monitoring software suite (Miele LabControl™) logging cycle parameters, temperature curves, pressure profiles, and alarm history with UTC timestamps
- Structural durability validated to 15,000 full-cycle operational life under continuous laboratory use; chamber and door gaskets certified for >100,000 compression cycles
Sample Compatibility & Compliance
The PLW 8636 supports cleaning of borosilicate glass (e.g., Pyrex®, Duran®), polypropylene, polycarbonate, PTFE-lined containers, and silicone-sealed assemblies—provided materials are rated for sustained exposure to ≥93 °C and pH 11.5 alkaline solutions. All cleaning programs comply with the performance requirements of ISO 15883-1 (washer-disinfectors for heat-labile medical devices) and align with Annex A of DIN EN ISO 13485 for quality management system integration. The unit supports IQ/OQ/PQ documentation packages and provides raw data export (CSV/Excel) for FDA 21 CFR Part 11-compliant audit trails when paired with Miele’s LabControl™ Server Edition.
Software & Data Management
Miele LabControl™ firmware enables full cycle parameterization—including temperature ramp rates, dwell times, pump speed profiles, and rinse water resistivity thresholds. Cycle data—including inlet/outlet temperatures, pressure differentials, detergent consumption per cycle, and door interlock status—is stored locally (SD card) and optionally transmitted via Ethernet/Wi-Fi to a central LIMS or MES platform. Audit logs retain operator ID, timestamp, program name, deviations, and manual overrides for minimum 36 months—meeting GLP record retention mandates. Remote diagnostics and firmware updates are supported via secure TLS 1.2 encrypted connection.
Applications
- Pharmaceutical QC labs: Cleaning and thermal disinfection of HPLC vials, dissolution apparatus components, and sterility test filters prior to reuse
- Academic research facilities: High-throughput decontamination of cell culture flasks, bioreactor tubing sets, and microfluidic chip carriers
- Clinical diagnostics: Reprocessing of IVD sample collection tubes, cuvettes, and automated analyzer reagent containers under ISO 15189 traceability
- Environmental testing labs: Removal of organic residues and heavy metal contaminants from EPA Method-compliant sampling bottles and digestion vessels
- Contract development and manufacturing organizations (CDMOs): Integration into validated cleaning processes supporting EMA Annex 15 and USP analytical instrument qualification frameworks
FAQ
Does the PLW 8636 meet regulatory requirements for GMP environments?
Yes—the system is designed to support qualification protocols per ASTM E2500, ISPE Baseline Guide Vol. 5, and EU GMP Annex 15. Full validation documentation templates and electronic signature support are available upon request.
Can I integrate the washer with our existing LIMS or MES platform?
Yes—via OPC UA or RESTful API interfaces; Miele provides documented schema mappings and field-service configuration assistance for common platforms including LabVantage, Thermo Fisher SampleManager, and Siemens Desigo CC.
What maintenance intervals are recommended for routine operation?
Daily: Visual inspection of spray arms and filter baskets; Weekly: Detergent line flush and conductivity sensor calibration; Annually: Full pump and heating element performance verification with certified reference standards.
Is deionized water required for the final rinse stage?
Not mandatory—but recommended for applications requiring ≤1 µS/cm rinse water conductivity; the unit accepts DI, softened, or municipal feed water with optional inline filtration and resistivity monitoring modules.
How is temperature uniformity verified across the chamber during thermal disinfection?
Each unit undergoes factory thermal mapping using 12 calibrated PT100 probes per cycle; users may perform periodic re-mapping using Miele-certified validation kits compliant with EN 285 and ISO 17665-1.
