Firebox Hot Water Boiler
DS-WW-H-FB-75( kcal )70000
DS-WW-H-FB-85 kcal)) 85000
DS-WW-H-FB-100 kcal)) 100000
DS-WW-H-FB-125 kcal))125000
DS-WW-H-FB-150 kcal)) 150000
DS-WW-H-FB-175 kcal)) 175000
DS-WW-H-FB-200 kcal)) 200000
DS-WW-H-FB-250 kcal)) 250000
DS-WW-H-FB-300 kcal)) 300000
DS-WW-H-FB-350 kcal)) 350000
DS-WW-H-FB-400 kcal)) 400000
DS-WW-H-FB-500 kcal)) 500000
DS-WW-H-FB-625 kcal)) 625000
DS-WW-H-FB-750 kcal)) 750000
DS-WW-H-FB-875 kcal)) 875000
DS-WW-H-FB-1000 kcal)) 1000000
Firebox Hot Water boilers are similar to fire tube boilers in terms of installation techniques but their shell and combustion chamber are not circular like fire tube cylindrical furnace. These kinds of boilers are usually used when hot water at low pressure and low capacity is needed. Firebox boiler is compact and economical so it is a best choice for central powerhouse.
Hot water boilers are designed and produced based on BS2790, EN12953 European standards and, ISIR4231 , ISIR7911 national standards. All of the production steps are investigated and inspected by an Iranian Industrial Research and Standard Agency and, an Iranian standard and Quality Control Agency. These boilers have capability to run with all kinds of fuels (gas, liquid or solid fuels). Steel used for pressurized and unpressurized regions is DIN 17155 – 17MN4 and EN 1025 – S235JR, respectively. Heat transfer tubes are DIN 17175 – ST35.8 produced by high-accredited European companies.
Welding of pressurized region is SAW approach and done by boom and column machine and tanks operator positioner automatically, which provides high quality weld and integrity. For welding unpressurized regions and weld root, SWAW approach is adopted. In addition, for manual welding, E7018, E701 O electrodes in accordance with PQR and WPS are used. All of hot water boiler welding lines are tested based on standards mentioned under the supervision of an Iranian standard and quality control agency. These tests are include NOT consists of VT, PT, UT, RT. All of the welders are examined based on EN287 test and have a welding license from high-accredited inspection centers. They are under the supervision of Quality Control Department of the factory.
Hydrostatic tests at the pressure of 1.5 times as much as design pressure, with water at the low temperature of 7°C for about an hour, are investigated. Quality Control inspector inspects these tests.
Insulation and door fireproofing are done by ceramic fiber with 128 kg/m3 density through lingering and bookish approach. By adopting this approach, not only does it prevent from energy loss and observe obligations of NFPA 85 & 86 standards, but also it is resistant against thermal shock and does not require log time primary and maintenance. Insulation of boiler’s body is done by ceramic wool with 128 kg/m3 and 96 kg/m3 density and temperature tolerance of 1260°C with thickness of 2 inch and 3 inch (according to operation pressure and temperature).
Furthermore, insulation material fixer is colorful galvanize, aluminum and, stainless steel. This cover is set on the insulation layer so that there is no space between them and the maximum temperature difference between bodies and ambient is 15°C.
Advantages and Features
- Capability to Work with any Type of Burner That are Standard Fan
- Special Design for Simplicity in Installation
- Cathodic Protection
- Easy Access to Heat Transfer Surface
- Capability to Design at The Operation Pressure of 12 Bar
- Boiler Internal Temperature Gradient Observance
- Insulation of Body with Ceramic Wool with Density of 128 kg/m3
| model/kcal | DS-WW-H-FB-75( kcal )70000, DS-WW-H-FB-85 kcal)) 85000, DS-WW-H-FB-100 kcal)) 100000, DS-WW-H-FB-125 kcal))125000, DS-WW-H-FB-150 kcal)) 150000, DS-WW-H-FB-175 kcal)) 175000, DS-WW-H-FB-200 kcal)) 200000, DS-WW-H-FB-250 kcal)) 250000, DS-WW-H-FB-300 kcal)) 300000, DS-WW-H-FB-350 kcal)) 350000, DS-WW-H-FB-400 kcal)) 400000, DS-WW-H-FB-500 kcal)) 500000, DS-WW-H-FB-625 kcal)) 625000, DS-WW-H-FB-750 kcal)) 750000, DS-WW-H-FB-875 kcal)) 875000, DS-WW-H-FB-1000 kcal)) 1000000 |
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