IVAR · Boilers and steam generators

IVAR ASB / ASA

Superheated water generator with 3 flue gas passes

Heating capacity: 140 – 2,907 kW
Efficiency: 90 %
Energy: Natural gas, LPG, diesel oil

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Technical data

Key data

Heating capacity: 140 – 2,907 kW
Energy: Natural gas, LPG, diesel oil
Output temperature: ASB series: 158.1 ºC - 4.9 bar
ASA series: 183.2 ºC - 9.8 bar
Efficiency: 90 %

Main advantages

Designed to the European PED Directive 2014/68/EU
Versions by required pressure (ASB 4.9 bar / ASA 9.8 bar)
Three flue gas passes and low NOx emissions

Models

IVAR ASB / ASA models

Technical data from the manufacturer's data sheet.

ASB (4.9 bar)

ASB (4.9 bar)
Model	Unit	120	180	230	320	400	500	600	800	1000	1200	1500	1750	2000	2500
PERFORMANCE AND HEAT OUTPUTS
Rated output [kW]	kW	140	210	268	372	465	581.5	700	930	1,163	1,396	1,745	2,035	2,325	2,907
Rated output [kcal/h x1000]	kcal/h x1000	120	180	230	320	400	500	602	800	1,000	1,200	1,500	1,750	2,000	2,500
Furnace output [kW]	kW	157	235	300	418	523	653	784	1,046	1,307	1,568	1,960	2,287	2,613	3,267
Furnace output [kcal/h x1000]	kcal/h x1000	135	202	258	360	450	561	674	900	1,124	1,348	1,685	1,967	2,247	2,809
HYDRAULIC AND COMBUSTION PARAMETERS
Combustion chamber pressure	mbar	2	2.5	3	4.2	4.5	5	6	6.5	7	7	8	8.2	9	9.5
Water-side pressure drop (Δt 15°C)	mbar	3.7	8	13	24	11	17	12	18	20	30	37	30	40	45
Water capacity	dm³ (L)	335	410	410	780	780	875	964	1,189	1,485	1,696	2,455	2,750	3,100	4,200
Maximum operating pressure	bar	4.9
PHYSICAL DIMENSIONS
Overall outside width (A)	mm	950	950	950	1,140	1,140	1,210	1,210	1,350	1,350	1,460	1,640	1,740	1,780	1,890
Overall height (H)	mm	1,235	1,225	1,225	1,430	1,430	1,510	1,510	1,670	1,670	1,770	1,940	2,050	2,080	2,190
Overall outside length (Lt)	mm	1,550	1,970	1,970	2,280	2,280	2,350	2,550	2,635	3,135	3,060	3,400	3,400	3,600	4,200
Dimension C (width / front volume)	mm	580	580	580	680	680	725	725	805	805	835	950	1,008	1,020	1,075
Distance to furnace / flue axis (f)	mm	375	425	425	477	477	487	487	578	578	568	570	685	695	720
Distance between flow and return connections (i)	mm	700	970	970	1,060	1,060	1,100	1,360	1,200	1,700	1,600	1,800	1,700	1,886	2,380
CONNECTIONS AND WEIGHT
Flow / return connections (r - f)	DN	DN 65	DN 65	DN 65	DN 80	DN 80	DN 100	DN 100	DN 125	DN 125	DN 150	DN 150	DN 200	DN 200	DN 200
Drain connection (S)	DN	DN 25	DN 25	DN 25	DN 25	DN 25	DN 25	DN 25	DN 25	DN 25	DN 40	DN 40	DN 40	DN 40	DN 40
Flue diameter (Camino Ø)	mm	220	220	220	250	250	250	250	350	350	400	450	450	500	500
Empty weight	kg	760	1,080	1,080	1,540	1,540	1,675	2,060	2,350	2,930	3,500	4,240	4,790	5,870	7,000

ASA (9.8 bar)

ASA (9.8 bar)
Model	Unit	120	180	230	320	400	500	600	800	1000	1200	1500	1750	2000	2500
PERFORMANCE AND HEAT OUTPUTS
Rated output [kW]	kW	140	210	268	372	465	581.5	700	930	1,163	1,396	1,745	2,035	2,325	2,907
Rated output [kcal/h x1000]	kcal/h x1000	120	180	230	320	400	500	602	800	1,000	1,200	1,500	1,750	2,000	2,500
Furnace output [kW]	kW	157	235	300	418	523	653	784	1,046	1,307	1,568	1,960	2,287	2,613	3,267
Furnace output [kcal/h x1000]	kcal/h x1000	135	202	258	360	450	561	674	900	1,124	1,348	1,685	1,967	2,247	2,809
HYDRAULIC AND COMBUSTION PARAMETERS
Combustion chamber pressure	mbar	2	2.5	3	4.2	4.5	5	6	6.5	7	7	8	8.2	9	9.5
Water-side pressure drop (Δt 15°C)	mbar	3.7	8	13	24	11	17	12	18	20	30	37	30	40	45
Water capacity	dm³ (L)	335	410	410	780	780	875	1,020	1,189	1,485	1,696	2,455	2,750	3,100	4,200
Maximum operating pressure	bar	9.8
PHYSICAL DIMENSIONS
Overall outside width (A)	mm	950	950	950	1,140	1,140	1,210	1,230	1,350	1,350	1,460	1,640	1,740	1,780	1,890
Overall height (H)	mm	1,235	1,225	1,225	1,430	1,430	1,510	1,530	1,670	1,670	1,770	1,940	2,020	2,080	2,190
Overall outside length (Lt)	mm	1,555	1,975	1,975	2,285	2,285	2,355	2,555	2,640	3,140	3,070	3,360	3,400	3,600	4,210
Dimension C (width / front volume)	mm	580	580	580	680	680	725	735	805	805	835	950	1,007	1,020	1,075
Distance to furnace / flue axis (f)	mm	378	427	427	479	479	488	488	579	578	575	576	680	715	725
Distance between flow and return connections (i)	mm	700	970	970	1,060	1,060	1,100	1,360	1,200	1,700	1,600	1,800	1,700	1,886	2,380
CONNECTIONS AND WEIGHT
Flow / return connections (r - f)	DN	DN 65	DN 65	DN 65	DN 80	DN 80	DN 100	DN 100	DN 125	DN 125	DN 150	DN 150	DN 200	DN 200	DN 200
Drain connection (S)	DN	DN 25	DN 25	DN 25	DN 25	DN 25	DN 25	DN 25	DN 25	DN 25	DN 40	DN 40	DN 40	DN 40	DN 40
Flue diameter (Camino Ø)	mm	220	220	220	250	250	250	250	350	350	400	450	450	500	500
Empty weight	kg	1,160	1,560	1,560	1,850	1,850	1,970	2,550	2,800	3,500	4,200	5,140	5,800	6,300	8,400