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Fire Tube Hot Water Boilers

Hot water systems are closed-loop solutions in which water is heated under high pressure within a range of 110 °C to 180 °C. According to standards, the limit for the hot water class is 120 °C, and the system design prevents water from evaporating by creating counter pressure.

Fire Tube Hot Water Boiler - Product Image
Fire Tube Hot Water Boiler - Technical Drawing

The system operates as a closed loop independent of the external environment, using a closed expansion tank to safely manage expansion. Thanks to the fire–smoke tube heat exchange surfaces, heat transfer is achieved with high efficiency, and steam formation is prevented in a controlled manner.

Hot water is a reliable heat transfer medium widely used in fan-coil heated buildings, air handling units, and process heating applications. Göktaş Isı Sanayi designs, manufactures, and commissions fire tube hot water boilers in turnkey form with capacity and automation options tailored to your needs.

  • High-temperature hot water production in the range of 110–180 °C
  • Prevention of evaporation with counter pressure and safe closed-loop operation
  • Expansion control with a closed expansion tank
  • High heat transfer efficiency with fire–smoke tube design
  • Suitable for fan-coil, air handling unit, and process heating applications
VIEW TECHNICAL SPECIFICATIONS

Technical Specifications

Product Code Steam Capacity
(kg/h)		 Thermal Capacity
(kcal/h)		 Flue Gas Resistance
(mmSS)		 Water Volume
(m³)		 Dimensions (mm) Approx. Weight (Kg) – Operating Pressure (bar)
D H I L A B d h 6 8 10 12 15
GKSK -10001.000560.000502,817002000300036302100120035012753,73,94,04,34,9
GKSK -12501.250700.000503,119502250300036302100150035014404,95,05,45,96,4
GKSK -15001.500840.000503,721002400365043002800150035014905,75,96,36,77,4
GKSK -20002.0001.120.000605,422502550392046503000170040015906,57,07,37,88,3
GKSK -25002.5001.400.000656,723002600388045502900180040016007,38,08,79,210,2
GKSK -30003.0001.680.000657,523002600393046603000180045016007,78,59,19,710,8
GKSK -35003.5001.960.000657,824002700400047503200190045016808,39,19,811,111,5
GKSK -40004.0002.240.000708,924002700432051503400190050016809,29,810,711,512,4
GKSK -45004.5002.520.0007010,225002800414050003200200055018009,910,711,411,613,0
GKSK -50005.0002.800.0007010,5255028504500545035002000550182010,711,812,913,915,6
GKSK -55005.5003.080.0007512,4270030004770570038002100550187011,712,714,014,917,3
GKSK -60006.0003.360.0007513,0280031005070600041002200600198013,013,915,316,518,5
GKSK -70007.0003.920.0008013,6280031005200615043002200600198014,415,116,218,420,1
GKSK -80008.0004.480.0008515,2290032005240619043002300650203015,516,817,518,721,2
GKSK -90009.0005.040.0009016,7305033505600655047502400650207016,917,919,321,322,0
GKSK -1000010.0005.600.0009017,8310034005800685047002500700207017,718,720,722,824,6
GKSK -1100011.0006.160.0009519,8310034006200725050002500750207019,220,322,624,427,1
GKSK -1200012.0006.720.0009521,6325035506200725050002600800220020,221,323,425,028,1
GKSK -1300013.0007.280.0009525,8330036006220725050002600800223021,822,824,128,229,6
GKSK -1400014.0007.840.0009526,9350038006370742051002700850238023,925,126,929,831,9
GKSK -1500015.0008.400.00010027,2350038006450750052002800850238025,126,928,831,133,3