Hot Air Oven

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Hot air circulation oven 150°C, 200°C & 250°C temperature

Hot Air Oven are designed to generate heat with blower assisted air re-circulation inside the chamber at temperature from ambient+10°C to 150°C, 200°C or 250°C. In general, they are also called forced air circulating oven and widely used to dry glassware, sterilize N95 mask, general instruments and packaging items. They also used in life science, microbiology laboratory, MLSS analysis and many research based applications. There are various industries, where hot air circulating ovens are used such as, chemical and pharmaceutical industries, food and beverage industries, textile, electronic components and steel manufacturing industries etc.

We manufacturing and supply of hot air ovens in various temperature ranges, material of construction and chamber dimensions. Maximum operating temperature range of these ovens are 150°C, 200°C and 250°C which is controlled through microprocessor based PID temperature controller. It displays both set value (SV) and process value (PV). With the help of RTD PT100 temperature sensor, it measures the temperature precisely. Forced air circulation is obtained using branded motor driven blower system. For heating, we use sheathed air heaters. Each unit is fitted with over temperature protection device (safety thermostat), which keeps your oven and samples safe in case of controller failure.

A hot air oven must have attractive design, rugged construction and easy to clean surface; therefore, inner chamber of our ovens is made of thick gauge of stainless steel sheet (SS 304 / SS 316). Corners are such designed that cleaning becomes an easy job for operator. Shelves are made of stainless steel wire mesh cable; these are removable in order to adjust the height level. Depending upon size of internal chamber quantity of shelves may vary from 2 to 5 or more. External cabinet is made of either powder coated GI sheet or stainless steel as required. For easy mobility of large hot air ovens, caster wheels with brake are fitted at the bottom.

Construction

  • Cabinet – Our hot air ovens are uses for triple-walled construction. The cabinets are made using stainless steel material. A single door is provided which is fitted on the heavy hinges and provided the required gasket to reduce the leakage.
  • Insulation – The gap between the inner chamber and outer cabinet is filled with 3″ thick glass wool insulation. It provides insulation to the oven so that the heat is lost during operation.
  • Tubular air heaters – The heaters are used to generate the heat inside the inner chamber. The heaters are placed on both sides of the inner chamber.
  • Blower –The blower is used to recirculate the hot air mixture inside the chamber to achieve a uniform temperature profile inside the chamber. In a natural convection oven, the blower is not required. The desire temperature profile is achieved naturally.
  • Temperature sensor – The temperature sensor senses the temperature the displays it on the screen.
  • Trays and slots – The specially designed stainless steel rod trays are provided to place the material for heating. The number of trays and slots required can be changed as per the customer requirement.
  • PID temperature controller – The microprocessor-based autotune PID controller is used to maintaining the desired temperature ranges during the operation.
  • Main switch – It helps the turn on and turn off the hot air oven.

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