IRAN BOILER hot water boiler are designed and manufactured  based on british standard  (BS) 855  or  (BS) 2790 (equivalent standard  ISIRI 7911  or  ISIRI 4231) .

All operations of design and construction are direct supervised by authorized inspectors of  iran quality inspection & standard Org.  , the related certificate will install on the boilers in the final  stage . 

 IRAN BOILER hot water boiler are manufactured from  ASTM A516 Gr70  or 17mn4  steel plates  &  St

35/8  pipes.

All welded lines would be tested in Ultrasonic or Radiographic and results would be analyzed by iran quality inspection & standard Org.  finally, boilers would hydrostatically test  : =  design pressure × 1.5

IRAN BOILER steel boilers  as a standard unit  are

designed  for  working  under  various conditions and can utilize gas, gas/oil or diesel fuel as burning media and due to variation in capacity , it could be used in a wide range of different projects.

IRAN BOILER hot water boiler are designed and manufactured in two modeles :

Reverse flame model :   from  100,000  to  1,200,000 kcal/h.

Three-pass  model (wet back) :  from   1,250, 000  to  6,000,000 kcal/h

And up  to 25 bar pressure

Reverse flame model :   from  100,000  to  1,200,000 kcal/h.

         Basic principles of Reverse flame boiler  technology:

- burner flame is reversed in the same chamber due to counter pressurized combustion (burner flame  reverses from the end of the furnace , goes through the tubes and finally  vents through the chimney

.

- returning hot gases are forced to meet with the

burner flame once again to ensure full combustion and cleaner flue gases.

- the intensive heat generated by reversing flame is effectively transferred to water mainly by means of radiation heat transfer.  A full transfer of heat is achieved during the consecutive passages of boiler with a combination of radiation and convection heat transfer.

Three-pass  model (wet back) :  from   1,250, 000  to  6,000,000 kcal/h

IRAN BOILER steel boilers are specially and manufactured horizontally in three passes :  Firest pass is the combustion chamber ,  the second and third passes  are smoke tubes.    The three pass circulation of  flue gases  in the boiler  has made it

most economical. Due to more utilization of generated heat and lower flue  temp- erature in chimney ,  shall increase  the efficiency and saving ultimately.

{The  three-pass  boiler  is robust and economical.  The furnace is formed by the fire tube.  The flue gases are  directed through topped smoke tubes where they are cooled down.  As it has proved  to be especially economical  to lead the flue gases through three passes most of the large water space boilers built today belong to this type hence the name  "three-pass  boilers".  Because of its constructional design the three-pass boiler  is especially suitable for  the combustion of  liquid or gaseous fuels. It can, however, as well be used for solid  fuels.  Coal or wood  can be burnt economically on the interior grate  or in prefurnaces.  The  second and  third boiler pass  are formed by thick walled smoke tubes which are welded  into the end plates.  The tubes are easily accessible  and can be cleaned without problems.

IRAN BOILER  three –pass boilers with a fire tube have an interior flue gas reversing  chamber , situated in the water space .  here  the direction of the flue gases , coming out of the fire tube is changed and   they are distributed to the smoke tubes  of the second pass. Inside of a tightly welded and insulated  chamber made of steel sheets the flue gases  are led  from the second to  the third  boiler pass .

The  reversing  chamber (wrapper) is equipped with large doors , allowing free access to the smoke tubes and easy maintenance  and cleaning .}

IRAN BOILER  steel boilers are designed for easy inspection , maintenance  and services.the existing  hinged doors  in the front and rear of the boilers will reduce  the inspection ,maintenance and service time to a minimum.

IRAN BOILER  steel boilers body  is cavered  with 100 mm  heat insulation mats  with cladding of  aluminium  or  stainless steel sheets  or  galvanized sheets  with painting.

IRAN BOILER  steel boilers  are safe  and  economical for heating of residential houses , plants , schools , hotels , hospitals and etc.

IRAN BOILER is  so assured of the quality of our boilers that we offer our customers 30 month full guarantee .

 تصویری از ديگ بخار ايستاده ( ديگ سونا) با متعلقات جانبی

Rating :  60 kg - 500 kg

working pressure : max.  10 bar

مشعل (سوخت بسته به سفارش مشتری) : ایران رادیاتور  یا  گرم ایران یا پارس مشعل

پمپ متناسب با طرفیت دیگ :  گراندفوس دانمارک  یا لورا  و پنتاکس ایتالیا

لول کنترل :  مک دانل آمریکایی  یا  فانتینی ایتالیا

شیر آلات :  اشتعال اراک

تابلو فرمان با کنتاکتور   تله مکانیک فرانسه  یا   LG

مشعل گازوئیلی -  ایران رادیاتور- اسفند ۱۳۸۷

                                      مشعل گازی -  ایران رادیاتور- اسفند ۱۳۸۷ 

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