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Wednesday, 7 June 2017

Two types of Radiator Thermostat valve

June 07, 2017 5 Comments

There are Two Types of Thermostat 1) Bellows type and 2) Wax pellet type


➤ Bellows type :

It consists of a closed bellow, which is filled with a volatile liquid (like alcohol, ether or acetone). As the bellows get hot, the liquid vaporizes and the bellows expand. This sets in operation a linkage opening the valve. When the bellows are cold, they contract and close the valve this stopping the circulation of coolant through the radiator.

 ➤ Wax pellet type :

The operation of wax pellet type thermostat depends on the fact that a considerable change in volume takes place in certain type of wax at around melting point. A cylinder or capsule is filled with wax and thrust pin is inserted in it. A flexible rubber sleeve, which surrounds the pin is sealed at the top to prevent escape of the wax. As the wax melts and expands, the thrust pin is forced out of the capsule so opening the valve.
By v�o l�c

5 comments:

  1. Victoria Martinez22 February 2019 at 06:14

    I really like the concept of thermostat. The innovation of home automation. It brings happiness to our lives. Heating and Cooling Oakville

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  2. Unknown14 July 2019 at 01:57

    Well explained

    ReplyDelete
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  5. inzin6 March 2020 at 22:32

    This information is really helpful to learn about the basics of the coolant manufacturers, If you are looking for any auto parts, We are here to help you.

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