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APS Lab Instruments Pvt Ltd

Horizontal Rectangular Autoclave

Horizontal Rectangular Autoclave

Product Details

Material Stainless Steel
Shape Rectangular
Application Industrial Use
Surface Finishing Polished
Sterilizing Temp. 121°C – 134 ̊C
Sterilizing Pressure 1.2 , (17 psi to 22 psi)

Our Rectangular horizontal autoclaves are widely used in various bulk laboratories for their day to day studies on scale sterilization procedures where they give dryness of the sterilized medium a paramount importance  and for that our sterilized media is prone to various micro-bacterial and viral infections. Having a specialization in customers’ requirements we have an expert team of making both standard and customized models.



  • Robust and rugged all weld construction which is leak proof unlike riveted construction. Inner chamber is made of thick plate of Mild Steel of non magnetic stainless steel of 304/316 quality and jacket is made out of rolled steel. 
  • Sterilizers will have single door made out of rolled steel lined with S.S. sheet on both sides. All the sterilizers are hydraulically tested to withstand 2.5 times the working pressure.
  • The steam jacket is lined on the outer side with asbestos sheet or glass wool which prevent heat losses due to radiation and is covered by strong rolled steel sheet .



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 a 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 Pressure 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 electrically operated sterilizers. It 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

Two separate 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.


Switch box

Houses the Pressure control switch, digital temperature indicator,  Main switch, Pilot lamps, relays etc. and mounted on the stand of the sterilizer for easy operation.


Other features

  • TRIPLE SAFETY : The sterilizer is provided with triple safety. 
  • By a pressure control switch which automatically limits the pressure to the required set valve.
  • Two spring loaded safety valves one each at chamber and boiler level.
  • A dead weight safety valve at chamber level.
  • A PLUG SCREEN prevents the discharge line from choking. The plug is easily removable for routing cleaning.
  • A powerful Ejector (for drying sterilized linen) circulates air through the chamber. The circulating air passes through a corrosion resistant metal wool filter.
  • A Dial thermometer is provided to show the chamber temperature.
  • Programming with PID 4 program keys, LCD/LED display, One Start/Stop key, Pt100 Wire Sensor Automatic Soak, Purge, Exhaust setting auto low water cut off high alarm set can be fitted.
  • AUTOMATIC VACUUM BREAKER is provided to break vacuum case of vacuum formation due to steam condensation.



  • PLC control system- PLC control system ensures a complete automatic operations along with high efficiency and great reliability. The computerized logic control system ensures a 100% automatic operation throughout the sterilization cycle. The main parameters of the process such as temperature, pressure, time are controlled and displayed on LCD panel during entire cycle process. Keyboard / touch screen setup is provided to user to choose the desired program, initiate and terminate the cycle. Our PLC control system is extremely easy to use, user friendly and fully programmable. Rs. =1, 49,900/-
  • Programming with PID 4 program keys, LCD/LED display, One Start/Stop key, Pt100 Wire Sensor Automatic Soak, Purge, Exhaust setting auto low water cut off high alarm set can be fitted. Rs. = 45,000/-
  • Vacuum Pump water immersion type ………………..….…….…Rs.65000.00 extra
  • S.S. Loading carriage (1 no.) & S.S. Transfer trolley (2 Nos)…...…...….10% extra
  • For Double Door option ………………….………..20% extra 

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Technical Specifications

Model Inner dimension (inch) Capacity (Litres) Heater load Sterilization temp & pressure Operating pressure
APS –SSHR – 200 18” x 18” x 36” 200 12 kW 1.2 Kg/cm2  at 121 -  From 10 psi to 22 psi
APS – SSHR - 250 18” x 24” x 36” 250 12 kW
APS– SSHR – 350 24” x 24” x 36” 350 15 kW
APS– SSHR – 450  24” x 24” x 48”  450 18 kW
APS– SSHR – 550 24” x 24” x 60”  550                 22 kW 
 APS– SSHR – 650  24” x 24” x 72”  650        30 kW 
APS– SSHR – 800 30” x 30” x 60” 800             36 kW

Price Details

Model No. Price
APS –SSHR – 200 275000/-
APS – SSHR - 250 295000/-
APS– SSHR – 350 335000/-
APS– SSHR – 450 365000/-  
APS– SSHR – 550   425000/- 
APS– SSHR – 650   485000/-
APS– SSHR – 800 525000/-

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