Fire Rated Doors

They are basically heavy doors that are made up of metal or gypsum. Mainly they are used to hold up the smoke and stop the fire. When they are installed properly, they don't com-bust for a certain time period during fire. Their time rating may vary from 20 to 90 minutes doors. Depending upon the size of the companies, you may opt for the appropriate fire rated doors and its number. These are often set up in public buildings or office buildings or at the living quarters. They may also be used at exit stairs. Although it can also be used in residences, but this seems a  less common choice. They might some time need be remodel led or rebuild.

                                                 A fire rated door can work effectively only when shut down properly, else it is ineffective. It would not be able to hold back the smoke in such a situation. When concerning large buildings, this problem can be handled in many ways. Theses doors can have automatic shut down mode, if fire is detected. Thus, it will be convenient for everyone to let the doors be opened for the rest of the time or it may be kept shut all the time, and if they are opened they shut down automatically. These are either solid or with windows. Many of them prefer without windows. The doors with windows also contain the glass that is rated or made of rated material like glass or any other transparent material. There are many vendors from where one can purchase these doors according to their needs like size, rating, with or without window.

Clean Room Equipments

Everybody urges for cleanliness and it is also necessary for remaining healthy. Cleanliness is required at all the places around you. It may be at home, at the work place like industry, factory or anywhere else. The place must be pollution free. There are several companies that design clean room equipments for keeping the environment clean. Several laboratories have developed clean rooms. They design a wide range of facilities and equipments and clothes for a huge range of research and laboratories. They manufacture the equipments that are required to keep the rooms clean, along with the equipments for laboratories. The level of contamination of clean room must be controlled with a specified level of contamination. At a higher level of clean room, there must be very less particles of size above .5 microns and only 12 ppcm or lesser than that.

The environment developed by these clean room equipments can be for a huge industry or even a small room. The range of concentration varies a lot. They may be moderate, for a hospital in ICU ward where each and every item must be heavily sterilized and above that level would be an operation theatre with much higher level. Several other places may require similar type of clean rooms and equipments like helmets or breathing apparatus or masks or gloves. Thus, they may include a great range of equipments that must be fully clean and sterilized and free from contamination. Thus, many companies may provide these facilities.