Steel Gas Boilers of Premium Series

In accordance with European standard EN 10130: 2006, the American standard ASTM A 1011 and Russian GOST 16523-97 and GOST 9045-93 we use stainless steel 2mm thick grade DC01in production of Lemax boilers series Premium. The heat exchanger has a cylindrical shape, which allows the boiler to work in closed systems with the operating pressure of 1 atm maximum (for Premium-7,5 - Premium-10) and of 3 atm maximum (for Premium-12,5 - Premium-60). Due anticorrosive coating enamel (exposure temperature 950 ° C) and treatment with inhibitory composition, the heat exchanger is protected from aggressive factors, solutions of salts and mineral oils.

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Description

Description

The model range is from 7,5 to 30 kW

Maximum efficiency due to an increase in the heat exchange area and the use of an innovative design of turbulators for maximum delay of exhaust gases.

Operating pressure: from 12,5 to 30 kW - up to 3 atm, from 7,5 to 10 kW - up to 1 atm.

Improved safety systems against overheating of the heat exchanger, interruption of traction, soot formation, boilerblowing.

Affordable price with the preservation of efficiency parameters due to the unification of equipment elements, standardization of components and robotization of production processes.

Ease of maintenance of the boiler due to the use of an easily removable top panel.

Parameter	Premium-7,5	Premium-10	Premium-12,5/ Premium-12,5(W)	Premium-16/ Premium-16(W)	Premium-20/ Premium-20(W)	Premium-25/ Premium-25(W)	Premium-30/ Premium-30(W)
Type of gas burner unit	Type of gas burner unit GGU 9	Type of gas burner unit GGU 12	Type of gas burner unit GGU 15	Type of gas burner unit GGU 19	Type of gas burner unit GGU 24	Type of gas burner unit GGU 30	Type of gas burner unit GGU 35
Nominal heat power, kW	Nominal heat power, kW 7,5	Nominal heat power, kW 10	Nominal heat power, kW 12,5	Nominal heat power, kW 16	Nominal heat power, kW 20	Nominal heat power, kW 25	Nominal heat power, kW 30
Energy conversion efficiency, % not less than	Energy conversion efficiency, % not less than 90	Energy conversion efficiency, % not less than 90	Energy conversion efficiency, % not less than 90	Energy conversion efficiency, % not less than 90	Energy conversion efficiency, % not less than 90	Energy conversion efficiency, % not less than 90	Energy conversion efficiency, % not less than 90
Heat exchanger volume, L	Heat exchanger volume, L 16,5	Heat exchanger volume, L 16,5	Heat exchanger volume, L 24,3	Heat exchanger volume, L 24,3	Heat exchanger volume, L 42,8	Heat exchanger volume, L 40,3	Heat exchanger volume, L 40,3
Heat takeoff area, m²	Heat takeoff area, m² 0,6	Heat takeoff area, m² 0,6	Heat takeoff area, m² 1	Heat takeoff area, m² 1	Heat takeoff area, m² 1,6	Heat takeoff area, m² 1,7	Heat takeoff area, m² 1,7
Exit gases temperature °С, not less than	Exit gases temperature °С, not less than 110	Exit gases temperature °С, not less than 110	Exit gases temperature °С, not less than 110	Exit gases temperature °С, not less than 110	Exit gases temperature °С, not less than 110	Exit gases temperature °С, not less than 110	Exit gases temperature °С, not less than 110
The range of discharge which ensures stable operation of the boiler, Pa	The range of discharge which ensures stable operation of the boiler, Pa 4-25	The range of discharge which ensures stable operation of the boiler, Pa 4-25	The range of discharge which ensures stable operation of the boiler, Pa 4-25	The range of discharge which ensures stable operation of the boiler, Pa 4-25	The range of discharge which ensures stable operation of the boiler, Pa 4-25	The range of discharge which ensures stable operation of the boiler, Pa 4-40	The range of discharge which ensures stable operation of the boiler, Pa 4-40
Gas nominal pressure, Pa	Gas nominal pressure, Pa 1300	Gas nominal pressure, Pa 1300	Gas nominal pressure, Pa 1300	Gas nominal pressure, Pa 1300	Gas nominal pressure, Pa 1300	Gas nominal pressure, Pa 1300	Gas nominal pressure, Pa 1300
Hot water supply loop output over 30 °С delta, Lpmin. (at exit temperature ≥ 15 °С)	Hot water supply loop output over 30 °С delta, Lpmin. (at exit temperature ≥ 15 °С) -	Hot water supply loop output over 30 °С delta, Lpmin. (at exit temperature ≥ 15 °С) -	Hot water supply loop output over 30 °С delta, Lpmin. (at exit temperature ≥ 15 °С) 4	Hot water supply loop output over 30 °С delta, Lpmin. (at exit temperature ≥ 15 °С) 5	Hot water supply loop output over 30 °С delta, Lpmin. (at exit temperature ≥ 15 °С) 6	Hot water supply loop output over 30 °С delta, Lpmin. (at exit temperature ≥ 15 °С) 7	Hot water supply loop output over 30 °С delta, Lpmin. (at exit temperature ≥ 15 °С) 8
Average gas flow, m3/hr	Average gas flow, m3/hr 0,45	Average gas flow, m3/hr 0,6	Average gas flow, m3/hr 0,75	Average gas flow, m3/hr 0,95	Average gas flow, m3/hr 1,2	Average gas flow, m3/hr 1,5	Average gas flow, m3/hr 1,75
Maximum water temperature at boiler exit , °С	Maximum water temperature at boiler exit , °С 90	Maximum water temperature at boiler exit , °С 90	Maximum water temperature at boiler exit , °С 90	Maximum water temperature at boiler exit , °С 90	Maximum water temperature at boiler exit , °С 90	Maximum water temperature at boiler exit , °С 90	Maximum water temperature at boiler exit , °С 90
Flue diameter, mm	Flue diameter, mm 100	Flue diameter, mm 100	Flue diameter, mm 130	Flue diameter, mm 130	Flue diameter, mm 130	Flue diameter, mm 130	Flue diameter, mm 130
Gas pipe diameter, inch	Gas pipe diameter, inch 1/2’’	Gas pipe diameter, inch 1/2’’	Gas pipe diameter, inch 1/2’’	Gas pipe diameter, inch 1/2’’	Gas pipe diameter, inch 1/2’’	Gas pipe diameter, inch 1/2’’	Gas pipe diameter, inch 3/4’’
Connecting pipes diameter, inch	Connecting pipes diameter, inch 1 1/2’’	Connecting pipes diameter, inch 1 1/2’’	Connecting pipes diameter, inch 2’’	Connecting pipes diameter, inch 2’’	Connecting pipes diameter, inch 2’’	Connecting pipes diameter, inch 2’’	Connecting pipes diameter, inch 2’’
Dimensions, mm:
Height	Height 747,5	Height 747,5	Height 744	Height 744	Height 961	Height 961	Height 961
Width	Width 330	Width 330	Width 416	Width 416	Width 470	Width 470	Width 470
Depth	Depth 499	Depth 499	Depth 491	Depth 491	Depth 556	Depth 556	Depth 556
Mass not more than, kg	Mass not more than, kg 39	Mass not more than, kg 39	Mass not more than, kg 53/58	Mass not more than, kg 53/58	Mass not more than, kg 75/80	Mass not more than, kg 80/85	Mass not more than, kg 80/85

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