Accumulation Tanks
FE AKU, FE AKU ST

• Steel / Stainless steel material option • Anticorrosive Painting treatment • Variation of insulation thickness • Variation of insulation color • Custom dimensions and specifications option • Heating element option for antifreeze protection

Technical Specification:

Tank Schematics:

FE AKU:

• Material
• Outside protection finish
• Inside protection finish
• Max. operation pressure
• Max. operation temperature
• Warranty

FE AKU ST:

• Material
• Outside protection finish
• Inside protection finish
• Max. operation pressure
• Max. operation temperature
• Warranty

Steel CSN 11 321
anti-corrosive painting
without treatment
0.6 MPa (6 bar)
100 °C
36 Months

FE AKU – Accumulation tank with connecting flanges DN80/PN6

Volume (l)	A (mm)	B (mm)	C (mm)	E (mm)	øD1 (mm)	øD2 (mm)	D3 (mm)	Weight (kg)	Insulation (mm)	THL-I (kWh/day)
500	1910	1565	270	40	600	700	G¹/₂“	98	Removable insulation made from soft PUR foam CELLA PV100 mm	2,45
750	1730	1345	300	55	790	990	G¹/₂“	130		2,97
800	1830	1445	300	55	790	990	G¹/₂“	135		3,12
900	1980	1595	300	55	790	990	G¹/₂“	142		3,35
1000	2230	1845	300	55	790	990	G¹/₂“	154		3,73
1200	2050	1635	340	65	950	1150	G³/₄“	190		4,23
1500	2450	2035	340	65	950	1150	G³/₄“	218		4,94
2000	2170	1695	400	70	1200	1400	G³/₄“	320		5,74
3000	2285	1875	330	80	1400	1600	G³/₄“	432		7,23
4000	2395	1930	385	110	1600	1800	G³/₄“	578		8,78
5000	2895	2430	385	110	1600	1800	G³/₄“	676		10,22

Weight – Accumulation tank weight without insulation, THL-I – Thermal heat loss of insulated accumulation tank with water temperature 80°C

FE AKU – Accumulation tank with connecting flanges DN100/PN6

Volume (l)	A (mm)	B (mm)	C (mm)	E (mm)	øD1 (mm)	øD2 (mm)	D3 (mm)	Weight (kg)	Insulation (mm)	THL-I (kWh/day)
500	1910	1565	270	40	600	700	G¹/₂“	100	Removable insulation made from soft PUR foam CELLA PV100 mm	2,45
750	1730	1345	300	55	790	990	G¹/₂“	132		2,97
800	1830	1445	300	55	790	990	G¹/₂“	137		3,12
900	1980	1595	300	55	790	990	G¹/₂“	144		3,35
1000	2230	1845	300	55	790	990	G¹/₂“	156		3,73
1200	2050	1635	340	65	950	1150	G³/₄“	192		4,23
1500	2450	2035	340	65	950	1150	G³/₄“	220		4,94
2000	2170	1695	400	70	1200	1400	G³/₄“	322		5,74
3000	2285	1875	330	80	1400	1600	G³/₄“	434		7,23
4000	2395	1930	385	110	1600	1800	G³/₄“	580		8,78
5000	2895	2430	385	110	1600	1800	G³/₄“	678		10,22

Weight – Accumulation tank weight without insulation, THL-I – Thermal heat loss of insulated accumulation tank with water temperature 80°C

FE AKU ST – Accumulation tank with connecting threaded pipe G ^₆/₄

Volume (l)	A (mm)	B (mm)	C (mm)	E (mm)	øD1 (mm)	øD2 (mm)	D3 (mm)	Weight (kg)	Insulation (mm)	THL-I (kWh/day)
500	1910	1565	270	40	600	700	G¹/₂“	82	Removable insulation made from soft PUR foam CELLA PV100 mm	2,45
750	1730	1345	300	55	790	990	G¹/₂“	114		2,97
800	1830	1445	300	55	790	990	G¹/₂“	119		3,12
900	1980	1595	300	55	790	990	G¹/₂“	126		3,35
1000	2230	1845	300	55	790	990	G¹/₂“	138		3,73
1200	2050	1635	340	65	950	1150	G³/₄“	174		4,23
1500	2450	2035	340	65	950	1150	G³/₄“	202		4,94
2000	2170	1695	400	70	1200	1400	G³/₄“	304		5,74
3000	2285	1875	330	80	1400	1600	G³/₄“	416		7,23
4000	2395	1930	385	110	1600	1800	G³/₄“	562		8,78
5000	2895	2430	385	110	1600	1800	G³/₄“	660		10,22