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EHRET manufacturers dry heat depyrogenation ovens for
batch processing
of parenteral products. They also provide incubators, drying
ovens and laminar
flow cleanroom units. The sterilizers meet the requirements of
a Class 100 environment.
The design offers a rapid heat up time and a horizontal
laminar flow for maximum
cleanliness. The models available are single door and
double door construction and
offer the highest quality insulation for minimal
energy loss.
Hot-Air Sterilizer STE 2200/1/100
Cleanroom class 100
Stainless steel construction, charging and discharging from one side
Temperature range from 5°C above ambient to +250°C
Heat-resistant filters inside the chamber
Microprocessor control with PLC SIEMENS S 7-300
CE-marking, according to GMP, GAMP and PIC
Volume approx. 2200 ltr.
STE SERIES
Hot-Air Sterilizers are suitable, among others, for sterilizing /
depyrogenation
of material like ampoules, vials and other glassware in pharmaceutical
production.
- temperature and process control by a modular control system SIEMENS S
7-300,
microprocessor controlled (incl. RS232 interface).
- different programs can be stored with parameter like temperature, time,
cooling, ramps, etc.
- the programs can be locked by a password function
- air intake filter of class EU13 as per DIN 24183 grant cleanroom class
100
inside the chamber
- HEPA filter class EU14 inside the chamber; performance 99,997% of 0,3µm
particles; heat-resistant up to max. +250°C
- optionally HEPA filter class EU14 in the exhaust air; performance
99,997%
of 0,3 µm particles; heat-resistant up to max. +250°C
- cleanroom class 100 inside the chamber
- integrated air/water heat exchanger for the cooling cycle
- housing and chamber from stainless steel AISI 304 or AISI 316L (on request)
EHRET Hot-Air Sterilizers are constructed and manufactured as per customer
specific requirements.

Hot-Air Sterilizer STE 2200/2/100
Cleanroom class 100
Stainless steel construction, charging and discharging from both sides
(clean/unclean)
Temperature range from 5°C above ambient to +250°C
Heat-resistant filters inside the chamber
Microprocessor control with PLC SIEMENS S 7-300
CE-marking, according to GMP, GAMP and PIC
Volume approx. 2200 ltr.
Features
- Smooth, cleanroom-conforming, sturdy housing construction.
- Single door and double door models (pass through).
- Recessed door construction.
- Ergonomic and safe door lock mechanism.
- Hinged or sliding door.
- High quality insulation, minimal energy loss.
- Easy control via dialog display and keyboard.
- Easy to maintain, all operations can be carried out from the unsterile
side.
- Customer designed loading systems (Load-In, Pass Through, etc.).
- Adaptation to Autoclave systems.
- Standard models and special, custom designed models.
- Remarkable cost/performance relation.
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