Hot water boiler

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Hot water boilers

Hot water boiler is a pressure vessel where the fluid of the pressured factor is heated and used. Water is usually used as the fluid factor because its high thermal capacity has the ability to save the required energy.

Hot water boilers are used in heating systems and the heating of the environment can be provided by embedding them in the building’s powerhouse. Hot water boilers are also a type of boilers that produce water higher than 100 centigrade.

Vestuy Industrial Company’s hot water boilers are produced with capacities between 200,000 kcal/h to 5,000,000 kcal/h.

Hot water boilers are produced with the pressure between 2 times to 20 times. These boilers are usually used in central heating systems (powerhouses) for producing radiator hot water, fan coil, unit heater, floor heating and …

Vestuy Industrial Company’s hot water boilers are designed and produced as dry back for less than 1,000,000 kcal/h capacity and wet back for higher capacities.

Technical Specifications

The construction system is designed and produced in two ways; dry back and wet back; according to standard bs-2790 of England and standard 4231 of Iran, For 6, 8 and 10 bar work pressure and it is tested hydrostatically with 10, 13 and 16.5 bar pressure. The type of these boilers is fire tube and three-pass.

Structural characteristics

All the steel material used in the shell, furnace and grates is according to standard 17 mn4 or a 516-gr 70. And all flame pipes between the two grates are in accordance to standard St 35.8.

All the parts of the boiler are welded by full automatic micro powder welding machines and special electrode 7018 is used finally, all the welded parts are controlled and non-destructive radiography and ultrasonic tests are performed. The boilers for survey and probable repairs have hand hole, man hole and mud hole hatches.

The standard of all the used flanges is Pn 16. the design and construction of boilers doors (front – rear) are hinged and open-able and this way the probable repair of the boiler is easier.

The type of cement used is fondue of France and special refractory cement and for heat insulation of the boiler, insulation blankets are used and the boiler is covered finally with aluminum or steel sheets.

Hot water boiler Datasheet

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