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H.P. Rectangular Horizontal Sterilizer SMI - 106

The sterilizer is based on the principle that microbiological action of saturated steam at elevated temp is rapid and thorough. All models work on downward displacement of air principle which is most economical method of obtaining for all types of bulk sterilization which are commonly needed in Medical, Agricultural and Pharmaceutical institutes.
It is suitable for sterilizing hospital dressings, linen, rubber plastic goods, surgical instruments, glassware and utensils etc.


The sterilizer has a robust and rugged all weld construction which is leak proof. The inner chamber is made of thick plate of stainless steel of high quality and jacket is made out of rolled stainless steel sheet. Sterilizers will have single door made out of thick stainless steel plate. All the sterilizers are hydraulically tested to withstand 2.5 times the working pressure.
The steam jacket is lined on the outer side with glass wool which prevent heat losses due to radiation and is covered by strong rolled steel sheet duly powder coated.


Made of thick stainless steel plate suitably located under the sterilizer. High grade flanged type heating elements are fitted from front side for easy replacement/repair. Fitted with water gauge glass for water level, safety valve, water inlet and drain valves. It is also provided with Low Water Level cut off device. This device protects the heater in the generator from burning out dry. The steam pressure in the boiler is indicated on an individual pressure gauge.

 Safety Lock for Door

Every horizontal rectangular sterilizer is fitted with SELF LOCKING SAFETY DOOR which cannot be opened when the chamber is under pressure.
The clutch mechanism automatically disengages the threads of the radial locking system for precluding any eventuality of accident when the chamber is under pressure. A heat resistant Neoprene Rubber gasket ensure steam tight fitting.

 Pressure Control

Electrically operated "PIEZOSTAT" (Pressure Control Device) is incorporated in all sterilizers. It acts as a safety device, economises power consumption and limits the use of release valve which would frequently blow steam into the room.
It cuts off the power supply to heaters when the set pressure is achieved and re-energises heaters when pressure falls down.


Complete sterilizing cycle is controlled from one point with the help of "Multi port valve" fitted at front top. Two speeds of exhaust are available for evacuating.

 The Chamber

Valves provided for evacuating air and steam from inner chamber and jacket as and when desired. A steam trap is fitted in the chamber discharge line to eliminate the condensate automatically.

 Control Panel

The control panel includes a pressure switch, a microprocessor based digital temperature indicator cum controller, Mains MCB, pilot lamps, relays etc. and mounted on the stand of the sterilizer for easy operation.

 Other Features
  • TRIPLE SAFETY: - The Sterilizer is provided with the triple safety features. At the boiler level by a PIEZOSTAT which automatically limits the pressure to the required set value and a spring loaded safety valve in case of its failure which releases the steam to keep pressure within the safety limits.
  • A digital temperature indicator cum controller also helps in monitoring the chamber temperature and switching off and on the heaters. At the chamber level, a spring loaded safety valve and a dead weight release valve to release the steam in case the pressure exceeds the safety limit. All these safety features function independent of one another and sequentially i.e. one take over the charge in case of other's failure.
  • A plug screen prevents the discharge line from choking. The plug is easily removable for daily cleaning.
  • Powerful Ejector for drying sterilized linen circulates air throughout the chamber. The circulating air passes through a corrosion resistant metallic wool filter.
  • Automatic Vacuum breaker is provided to break vacuum in case of formation of vacuum due to steam condensation.

 Operating Temp. & Pressure
  • Sterilizing Temp: 121C
  • Sterilizing pressure: 1.2 to 1.5 kg/cm2 (15 psi to 22psi)
  • Power Requirement : Designed to operate on 415V volts, Three phase AC supply

 Optional Accessories
  • Chamber/Jacket of S.S. 316
  • Door of S.S. 304/316
  • Additional Tray/Shelves
  • Carriage & Trolley
  • Direct steam supply from centralised boiler
  • Temperature recorder
  • High pressure High vacuum model
  • Additional door (Double door) model
  • Fully automatic microprocessor controlled model

 Spare Accessories
  • Pressure gauge/Compound gauge
  • Water level gauge glass
  • Dial thermometer
  • Non return valve
  • Moisture trap
  • Joint less Gasket :- Neoprene/silicon rubber, size : 400 & 500mm
  • Heating elements (Flange Type) Rating kw 6.0, 9.0

 Available in following capacities

Sr. No. W H D Load
1. 600mm 600mm 1200mm 18Kw
2. 900mm 900mm 1200mm 27Kw
3. 900mm 900mm 1500mm 36Kw

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H.P. Rectangular Horizontal Sterilizers