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Horizontal Front Loading Rectangular triple-walled models for high-pressure sterilization.


  • MAC Sterilizers are most ideal for critical applications requiring assured and reliable total destruction of all living micro-organisms.
  • Inner Chamber is made up of thick non-magnetic steel of 304/316 quality and jacket is made out of rolled steel.
  • Single door made of rolled steel lined with S.S. sheets has a radial locking system.
  • The space between outer cover made of thick rolled steel sheet and the steam jacket is filled with an asbestos sheet or glass wool to minimize thermal losses.
  • Boiler is made of thick stainless steel sheet and is located under the sterilizer.
  • Unit is fitted with water level indicator, safety valve, pressure gauge, water inlet, and drain valves.
  • Unit is also fitted with low-water level cut-off device and automatic pressure control device.
  • All “MAC” rectangular sterilizes are fitted with SELF LOCKING SAFETY DOOR device.
  • The door cannot be opened when the chamber is under pressure.
  • Two separate valves are provided for evacuating steam from inner chamber and jacket, as and when desired.
  • Fitted with safety valve as a safety device.
  • Drain valve is fitted at the side bottom for easy draining/cleaning.
  • Fitted with a vacuum breaker to break vacuum in case of formation of vacuum due to steam condensation.
  • Triple Walled with Steam Jacket and Separate Boiler. Sterilization cycle is controlled by Multiport Valve. The unit is fitted with all standard accessories.
  • To work on 440 volts, 3 Phase, A.C. Supply
Technical Specifications & Ordering Informations
Inner Dimensions (WXHXD) (mm)600X600X900600X600X1200
Capacity320 ltrs430 ltrs
Heater load9.0 KW
ControllerAutomatic Piezostat (Pressure Control Switch)
DisplayDial Thermometer
Exhaust of PressureManual through a Multiport valve
Sterilizing Pressure1.2 to 1.5 kgf /cm² (15 to 20 psi) at 121ºC
Operating PressureFrom 15 to 20 psi
Pressure Gauge0-2.1 kgf /cm² (30 psi)
MOC (Pressure Vessel)Stainless Steel (SS-304 or SS-316 as Ordered)
MOC (Boiler)Stainless Steel
MOC (External Wall)Mild Steel Sheet Duly Painted
MOC (Lid)Mild Sheet Duly lined with S.S. from inside
POWER SUPPLY440V AC, 3 Phase Supply


  • Digital Temperature Indicator can be supplied in lieu of dial thermometer.
  • Microprocessor Based Semi-Automatic Digital Controller with Auto-Time Control System after the set temperature is attained the timer starts automatically & on completion of the set count down/uptime the supply of heaters is cut-off & the system sounds a buzzer alerting the user that the cycle is over.
  • PLC Controller with Automatic Digital Minute Timer and alarm for the end of the cycle. It enables automatic purging of state air, sterilizing hold time for sterilizing period and cycle and with the automatic exhaust of pressure. With Digital Pressure Indicator displayed directly to the main control panel.
  • Double door for any of the above models to cost extra.