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uks-m1

UKS boilers

UKS heating boilers has been successfully present on the market thanks to their original construction which enables combustion of low quality coal, fine coal, wood-wastes etc. UKS heating boilers can be adapted to individual boiler rooms and client wishes.

UKS heating boilers are designed to heat water in the central heating systems to the temperature not exceeding 1000 °C at the boiler’s outlet. UKS heating boilers are designed for heating living quarters, warehouses, commercial halls, workshops, farm buildings, glasshouses, schools etc. They can be used only in the open central heating system according to PN-91/B-02413, they can work in gravitational or induced systems.

Base for appropriate boiler selection is a thermal balance of the heated area created according to thermal standards for buildings. The nominal thermal efficiency should equal or be little higher (about 10%) than calculated heat requirement of the heated area. In chart below we put approximate data for UKS boilers size and area that can be heated by those boilers – in chart nr 3 for areas of 35-280m2 and in chart nr 4 for areas of 430-3220m2. The data is approximate and has been calculated for rooms up to 3m height and heat loss rate of 46.5 W/m2(40 Kcal/m3h).

Specification Unit Technical specifications of boilers
Nominal power kW 12 14 20 25 30 46 70 95 130 190
Average operating power kW 6 7 10 12 15 23 35 48 65 95
Heating surface m2 1,5 1,6 2,4 3,4 3,7 5,3 8,1 11,2 14,7 21,5
Approximate heating area *1 m2 do 90 90-130 130-160 160-200 200-260 260-360 360-550 550-750 750-1000 1000-1500
Continuous operation *2 h 80-24
Fuel Coal assortment culm MI type 32,1
class 25/12 wg PN-82/G-97001-3
Disposable fuel charge kg 17 23 31 45 71 112 148 235 317 627
Thermal efficiency % 84-87
The maximum water temperature oC 90
Max. water pressure in the boiler bar 1,5
Operating temperature range boiler oC 60-90
Required flue Pa 0,25-0,35 0,35-0,45
Water capacity l 72 103 138 165 210 352 480 673 842 1240
Boiler weight without water kg 203 257 262 303 442 555 842 1067 1330 2140
Approximate height of the smallest boiler m 5 6 7 8 11
Indicative cross section of the boiler cm2 220 230 270 350 390 600 870
The dimensions of the boiler the length of the flue
width
height
mm 1000
450
1035
1100
527
1085
1180
590
1085
1180
590
1170
1380
646
1280
1500
772
1355
1870
870
1405
2100
1060
1495
2305
1120
1595
2740
1323
1745
Hydraulic resistance mbar 25

Type of fuel recommended for UKS heating boilers was given in the chart, No. 8 and 9. Use of lower quality fuel than recommended will result in thermal efficiency drop. Fine coal should be wet before use.

  • coal
  • fine coal
  • universal multi-fueled boilers
  • wood sawdust

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