Our latest boiler is one designed by Ygnis AG of Switzerland using the world-renowned Royal Combustion system.

Using the Three Pass Combined Flue and Smoke Tube Steam Boilers Technology from Ygnis Bolier, this boiler is unique in that it operates in such a way that the flame from this burner is able to penetrate even further onto the closed-end of the combustion chamber.

Under this unique technology:

  • The flame is enveloped in a flue gas that will then reverse to the front-end of the boiler and flow into a reverse direction again through the flame tubes straight onto the chimney.

  • As the flame of the burner does not come in direct contact with the wall of the combustion chamber, this unique design will prevent overheating in the boiler.

  • With this design producing turbulences during the transition part of the flame and the flue gases, it allows for a more thorough mixing of the fuel with air during the combustion process.

  • Heat transfer is more evenly distributed in the combustion chamber and heating surface of these flame tubes thereby generating a better heat exchange efficiency ratio.

  • Produces an even thermal expansion of the body.

  • More efficient heat transfer is achieved as the dry saturated steam can be generated in a relative short period of time.

  • Through its uniquely designed one-door construction, the front-end of this boiler allows for easy preventive and breakdown maintenance as one can easily access the flue gas/flame-side of the boiler.

  • The water side of this boiler is easily accessible through numerous strategically located manholes or hand-holes.



Technical Specification of PRIMATRON® YGNIS BOILER

Type YB25/32 YB40/45 YB65/80 YB100 YB125
Steam Output (kg/hr) 250/320 400/500 650/800 1000 1250
Thermal Capacity (KW) 163/209 261/326 424/522 652 815
Design Pressure
(up to) kg/cm2
16 16 16 16 16
Fuel Consumption 13/17 21/26 34/42 52 65
Dimension A 2400 2600 2860 3407 3635
B 2048 2238 2453 2643 2823
C 1895 1965 2035 2516 2516
D 1575 1655 1745 1910 2000
E 1925 2000 2100 2110 2235
F 1440 1520 1600 1680 1750
G 150 200 250 300 300
Main Valve (mm) 40 50 50 65 65
Blowdown Valve (mm) 40 40 40 40 40
Safety Valve (mm) 25 25 25 25 25
Water Inlet (mm) 25 25 25 25 25
Weight (ton) 2.1 2.4 2.9 3.4 3.9


Type YB160 YB200 YB250 YB300 YB400
Steam Output (kg/hr) 1600 2000 2500 3000 4000
Thermal Cap. (KW) 1045 1305 1631 1957 2609
Design. Press. (up to) kg/cm2 16 16 16 16 16
Fuel Consumption 83 104 130 156 207
Dimension

A

B

C

D

E

F

G

3840

3220

2654

2130

2330

1850

350

4336

3490

2907

2414

2767

2000

350

4550

3725

3045

2350

2550

2100

400

4696

3850

3148

2607

2960

2240

450

5175

4250

3410

2692

3170

2410

500

Main Valve (mm) 80 100 100 100 125
Blowdown Valve (mm) 40 40 40 40 40
Safety Valve (mm) 25 25 25 25 32
Water Inlet (mm) 25 32 32 32 40
Weight (ton) 5.1 6.6 7.9 8.8 12.7


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