Pharma Machinery Inc.

Eco Smart Walk in Stability Chamber

Introduction

A Walk-In Stability Chamber is a large-capacity controlled environment designed to allow personnel to physically enter the chamber and manage stability studies directly inside. These systems are ideal for large-scale pharmaceutical operations where high-volume batches, bulk samples, or packaged products must be tested simultaneously.

Functionally, walk-in chambers operate just like reach-in stability chambers—precisely controlling temperature and relative humidity—but offer significantly greater capacity, uniformity, and operational convenience for long-term, accelerated, intermediate, and stress stability studies.

Special Features

  • Inside-openable safety door lock (cannot trap personnel inside)
  • Password-protected door access
  • Emergency stop for person-trapped protection
  • Eco Smart Walk in Stability Chamber
    Eco Smart Walk in Stability Chamber
    Eco Smart Walk in Stability Chamber

    Construction

    CNC-Manufactured Structure

    Fabricated using fully automatic CNC machines to ensure high precision, durability, and repeatability.

    Modular PUF Insulated Panels

    Pre-fabricated, modular, PUF-insulated panel construction designed for easy onsite assembly and excellent thermal efficiency.

    Reinforced Floor Panels

    Heavy-duty floor panels with enhanced reinforcement to handle sample load, frequent personnel movement, and trolley operations.

    Stainless Steel Interior

    Water- and vapour-tight inner chamber made of high-grade stainless steel for corrosion resistance, hygiene, and long operational life.

    Optimized Conditioning Systems

    Equipped with efficient air circulation, heating, cooling, and humidity-generation systems to maintain uniform environmental conditions.

    Vacuum-Sealed Viewing Window

    Multi-pane, vacuum-sealed observation glass window for safe viewing of samples without disturbing test conditions.

    Stainless Steel Trays & Racks

    Heavy-duty electro-polished stainless-steel trays (wire mesh/perforated) that are adjustable, easy to clean, and accompanied by detachable racks with customizable angles for flexible sample storage.

    Environmental Performance

  • Temperature Range: 20°C to 60°C
  • Humidity Range: 40% RH to 95% RH
  • Accuracy: ±0.5°C / ±2.0% RH
  • Uniformity: ±2.0°C / ±3.0% RH
  • Suitable ICH Stability Conditions

  • 25°C / 60% RH
  • 30°C / 65% RH
  • 30°C / 75% RH
  • 40°C / 75% RH
  • Notes

  • Additional trays can be provided upon request as per chamber capacity.
  • Custom sizes and models are available to meet specific client requirements.
  • Dew Point Control Overview

    Dew Point Control is a highly efficient method for maintaining precise humidity conditions inside stability chambers. It functions by controlling the coil temperature according to the dew point and psychrometric properties of air.

    • Measures atmospheric moisture accurately
    • Determines the temperature at which air becomes fully saturated with its existing water vapour
    • Identifies the point where dew or frost begins to form
    • Coil temperature is controlled based on dew point and psychrometric chart calculations, ensuring highly stable RH control

    This method is significantly more energy-efficient than conventional steam injection or water-spray humidity systems.

    Key Features

  • Low energy & low water consumption equipment
  • Operates on advanced Dew Point Control principle
  • No deviations during short-term door opening or brief power interruptions
  • No utility area required, resulting in more usable storage space
  • Lower operating cost with minimum power and water usage
  • Highly stable performance: fewer deviations & fewer breakdowns
  • Improved system efficiency through reduced energy consumption
  • Enhanced process reliability for long-term stability studies
  • Alarm & Safety Systems

  • Temperature deviation alarm
  • RH deviation alarm
  • Power failure alarm
  • Continuous door open alarm
  • Temperature & RH safety cut-off
  • Low water level protection
  • Auto changeover for RH generator & cooling system.
  • Model-wise Capacity & Dimensions

    ModelCapacity (Liters)Internal Dimensions (mm)External Dimensions (mm)RacksNo. of Trays
    KGeWS-8KL8004 L1850(W) × 2080(D) × 2080(H)1970(W) × 2200(D) × 2200(H)216
    KGeWS-10KL10005 L1850 × 2600 × 20801970 × 2720 × 2200224
    KGeWS-12KL12020 L1850 × 2730 × 23801970 × 2850 × 2500224
    KGeWS-16KL16065 L2250 × 3000 × 23802370 × 3120 × 2500224
    KGeWS-18KL18100 L2250 × 3380 × 23802370 × 3500 × 2500232
    KGeWS-20KL20028 L2250 × 3740 × 23802370 × 3860 × 2500232
    KGeWS-24KL24200 L2480 × 4100 × 23802600 × 4220 × 2500232

    Special Features

  • Inside-openable safety door lock (cannot trap personnel inside)
  • Password-protected door access
  • Emergency stop for person-trapped protection
  • Software (21 CFR Part 11 Compliant)

  • Log data recording
  • Event data monitoring
  • Audit trail
  • Electronic records & electronic signatures
  • Graphical analysis
  • Secure data acquisition
  • Construction

  • Modular PUF-Insulated Panels Pre-fabricated modular panel construction with high-density PUF insulation, assembled on-site. Floor panels include additional reinforcement to withstand trolley movement and heavy sample loads.
  • Stainless Steel Interior Leak-proof, vapour-tight, high-grade stainless steel inner chamber ensures hygiene, corrosion resistance, and long service life.
  • Efficient Conditioning Systems Equipped with precise air circulation, advanced heating & cooling modules, and a humidity generator system.
  • Vacuum-Sealed Observation Window Multi-pane vacuum-sealed glass window enables viewing of samples without disturbing chamber conditions.
  • Heavy-Duty Trays & Racks Electro-polished stainless steel wire mesh/perforated trays and detachable racks with adjustable angles, designed for easy cleaning and convenient sample loading.
  • Control System

  • 7” HMI with TFT LCD Colour Touchscreen Password-protected interface displaying real-time status of sensors, heating, cooling, and humidity systems.
  • High-Accuracy Sensors Rotronic 4–20 mA sensors ensure excellent precision in temperature and humidity monitoring.
  • PLC-Based Control Auto-tuning PID logic for accurate and stable control of environmental parameters.
  • Data Storage & Transfer
    • Storage available in both PLC and HMI
    • PLC data transfer via Ethernet
    • HMI data exportable in PDF format via USB drive
  • Material Of Construction

    ModelsMaterial Of Construction
    InteriorExterior
    STDS.S.304 Dull FinishG.I Power Coated
    GMPS.S.304 Dull FinishS.S.304 Dull Finish
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