BOILER WITH TWO FIXED COILS

USE: Storage and production of hot domestic water produced with traditional and alternative heat generators, solar energy, energy recovery, etc.
CONSTRUCTION: art. BOLL 2 SERP, produced with S235JR EN10025 high-quality steel sheets, assembled and welded with the use of automatic systems in controlled atmosphere. Fixed spiral heat exchanger with S235JR EN10025 steel pipes welded to the tank. Flange for inspection, cleaning and for integration of other accessories.
ANTI-CORROSIVE TREATMENT: internal anti-corrosion vitrification treatment (EMAIL), applied in oven at 860 ° C according to DIN 4753.3, suitable for use and consumption of drinking water pursuant to Ministerial Decree 174/2004 and EEC Dir. 76/893.
WARRANTY: 5 years against corrosion

Pmax (bar)

Tmax (°C)

Pmax (bar) Heat exchanger

Certificate for 50% deduction

	MODELLO BOLL	200/2	300/2	400/2	500/2	800/2	1000/2	1500/2	2000/2
	Effective storage capacity – litri	190	295	420	500	795	925	1435	1980
d	Diam. no insulation – Mm	450	550	650	650	800	800	950	1100
D	Diam. with insulation – Mm	550	650	750	750	1000	1000	1150	1300
HT	Total Height – Mm	1370	1420	1480	1730	1860	2110	2370	2420
FL	Diameter flange S1 – Mm	120X80						220X300
SS	Exchange surface – m²	1,04	1,63	1,88	2,36	2,72	3,54	4,79	6,10
	Coil fluid content – Litri	4,89	7,66	8,84	11,10	20,05	26,09	35,30	44,96
K	Tilting height – Mm	1490	1580	1660	1890	2100	2320	2600	2695
	CONNECTIONS
E	Cold water circuit inlet	G1 ¼	G1 ¼	G1 ¼	G1 ¼	G1 ¼	G1 ¼	G2	G2
U	Domestic hot water circuit outlet	G1 ¼	G1 ¼	G1 ¼	G1 ¼	G1 ¼	G1 ¼	G2	G2
RC	Recirculation	G1 ¼	G1 ¼	G1 ¼	G1 ¼	G1 ¼	G1 ¼	G2	G2
RE	Connection for Electrical Resistance	G1 ½	G1 ½	G1 ½	G1 ½	G1 ½	G1 ½	G1 ½	G1 ½
S	Drain	G ½	G ½	G ½	G ½	G ½	G ½	G1 ¼	G1 ¼
A	Connection for Magnesium Anode	G1 ¼	G1 ¼	G1 ¼	G1 ¼	G1 ½	G1 ½	G1 ½	G1 ½
So	Connection for Instrumentation	G ½	G ½	G ½	G ½	G ½	G ½	G ½	G ½
T	Thermostat connection	G ½	G ½	G ½	G ½	G ½	G ½	G ½	G ½
S1	Primary circuit inlet	G1	G1	G1	G1	G1	G1 ¼	G1 ¼	G1 ¼
S2	Primary circuit oulet	G1	G1	G1	G1	G1	G1	G1	G1
	TECHNICAL DATA
PE	Storage Max pressure – Bar	10	10	10	10	10	10	6	6
PC	Storage testing pressure – Bar	15	15	15	15	15	15	9	9
	Max pressure exchanger – Bar	12	12	12	12	12	12	12	12
	Exchanger testing pressure – Bar	16	16	16	16	16	16	16	16
TE	Max Temperature – °C	100	100	100	100	100	100	100	100
	Empty weight – Kg	50	110	135	155	220	245	345	450