Dry Heat Sterilizer

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Description

Dry Heat Sterilizer

Dry Heat Sterilizers

Dry heat sterilization and depyrogenation are used for complete destruction & removal of all micro-organisms by means of dry heat. These stainless steel dry heat sterilizers use air as a medium of sterilization.

Operating Temeprature

It employs higher temperatures up to 300°C and requires exposure time up to 2 hours, depending upon the temperature employed.

  • The plant is completely made with SS 316L (DIN 1.4435) stainless steel with active surfaces electro polished.
  • Double tube sheet for heat exchanger and all pre-heaters.
  • The insulation is made of glass wool covered by AISI 304 stainless steel sheet.
  • All contact parts to WFI are electro polished with state-of-the-art technology.
  • All pipes and tubes as per ASME BPE stamping with less than 0.5 Ra.
  • The frame is made of AISI 304 stainless steel.
  • The piping system is manufactured with electro polished pipes with orbital welding, sanitary fittings and pharma grade gaskets.
  • Expansion joint design for tube-to-tube sheet joints.
  • PLC based operation with all required inter locks and validated logic with skid mounted AISI 304 stainless steel control panel.
  • Complete documentation to serve international audit requirements.

Applications

  • Glass Bottles, Vials, Ampoules, Containers
  • Stainless steel and aluminium containers
  • Powders like sulphonamides and talcum powder

Operation

  • Load is arranged to ensure uninterrupted air flow.
  • DHS may be pre- heated for materials with poor heat conductivity.
  • The temperature is allowed to reduce up to 55°C-60C prior to removal of sterilized material.

Design and Functional Features

  • Chamber is manufactured in SS316L. Fully welded with round corners.
  • The doors are of hinged type, equipped with double edge seal gasket for maximum safety
  • For operation, control and data acquisition a PLC is provided. HMI facilitates interface between operator and equipment.
  • Equipments are available with single door as well as double door pass through arrangement.
  • Bio seal flange to seal the equipment into the building wall can be provided
  • HEPA filters are installed in the fresh air, recirculation and exhaust module. In addition, 0.5 micron “Micro B” filter is installed as a pre-filter to the Fresh Air HEPA
  • Three modules for air handling
  • Fresh air (air intake)
  • Recirculation
  • Exhaust

Contral System

Control Systems are available with Siemens, Allen-Bradley & Mitsubishi PLC. The control system design enables an easy & logical operation with graphical user interface, menu driven display & passwords at several levels. PC & Printer can be connected directly to the control system.

Accessories

A complete range of carriages, transfer trolleys to simplify handling. Plates, trays, wire baskets and other relevant accessories are supplied depending on the application.

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