Arpa 23_2 Horizontal

Musical form that combines personality with functionality. Ideal, therefore, for small and large environments, even with low temperature systems. ARPA 23_2 Horizontal is available in 14 widths, from 4 to 40 elements and thermal powers from 211 to 3062 Watt.

Configure Technical document

The images on this page have the sole purpose of depicting the product. Finishes and models may not have a perfect match with the actual product.

Configure your ARPA_H

Arpa 12 Horizontal

Arpa 12_2 Horizontal

Arpa 18 Horizontal

Arpa 18_2 Horizontal

Arpa 23 Horizontal

Arpa 23_2 Horizontal

Choose most used

Connection top/bottom with angle valve

Connection left/right with angle valve

50mm connection with angle valve

Select valve finish

Standard white

Chrome

MATCHING YOUR RADIATOR

-

Thermal power

Showroom Find Showroom

Discover accessories

Construction features

round section manifold, 30 mm diameter
23 mm diameter steel round pipes
threading at the ends of the manifolds, right G 1/2”
maximum working pressure 8 bar
maximum working temperature 95°C

Low temperature

Hydraulic radiator

Model	Depth (mm)	Length (mm)	Conn. centre (mm)	Weight (kg)	Capacity (lt)
520	70,0	520	470	0,80	0,36
550	70,0	550	500	0,85	0,38
650	70,0	650	600	1,00	0,45
670	70,0	670	620	1,03	0,46
700	70,0	700	650	1,08	0,48
750	70,0	750	700	1,15	0,52
850	70,0	850	800	1,31	0,59
870	70,0	870	820	1,33	0,54
920	70,0	920	870	1,38	0,63
1220	70,0	1220	1170	1,81	0,82
1520	70,0	1520	1470	2,20	1,04
1820	70,0	1820	1770	2,63	1,25
2020	70,0	2020	1970	2,89	1,34
2520	70,0	2520	2470	3,61	1,67

Thanks to the high performance of Irsap ARPA 23_2 Horizontal radiators, the ideal Δt for low temperature projects is Δt at 30°C.

For Δt different from 50°C use the formula: Q=Qn (Δt / 50)n

Standard equipment

wall fixing systems with screws and anchors
1/2” blind plug
piper cover kit
1/2” air vent

Thermal output per linear metre

Number of Elements	4	6	8	10	12	14	16	18	20	22	24	26	28	30	32	34	36	38	40
Btu/h at Δt=50°C	1.388,5	1.820,0	2.206,1	2.564,3	2.902,9	3.227,9	3.542,0	3.848,3	4.147,7	4.442,6	4.733,2	5.021,0	5.306,0	5.589,4	5.871,4	6.152,4	6.433,0	6.713,3	6.993,6
Yield per linear meter Watt at Δt=50°C	406,7	533,1	646,2	751,1	850,3	945,5	1.037,5	1.127,2	1.214,9	1.301,3	1.386,4	1.470,7	1.554,2	1.637,2	1.719,8	1.802,1	1.884,3	1.966,4	2.048,5
Yield per linear meter Watt at Δt=40°C	313,7	368,1	497,9	578,0	657,0	733,6	801,8	867,6	929,7	990,1	1.064,0	1.128,0	1.191,5	1.254,6	1.317,3	1.379,4	1.441,6	1.503,8	1.565,9
Yield per linear meter Watt at Δt=30°C	224,4	228,3	355,8	412,3	471,1	529,0	575,1	619,1	658,5	696,0	756,4	801,2	845,8	890,1	934,0	977,2	1.020,8	1.064,2	1.107,5
Yield per linear meter Watt at Δt=20°C	140,0	116,5	221,6	256,2	294,8	333,6	360,1	384,8	405,0	423,5	467,7	494,7	521,9	548,7	575,4	601,2	627,5	653,7	679,7
Exponent change	1,164	1,660	1,168	1,174	1,156	1,137	1,155	1,173	1,199	1,225	1,186	1,189	1,191	1,193	1,195	1,198	1,200	1,202	1,204

H

= Height (mm)

E

= N° Elem.

H Height (mm)	E N° Elem.		520	550	650	670	700	750	850	870	920	1220	1520	1820	2020	2520
130	4	Watt = W =	211	224	264	272	285	305	346	354	374	496	618	740	822	1025
198	6	Watt = W =	277	293	347	357	373	400	453	464	490	650	810	970	1077	1343
266	8	Watt = W =	336	355	420	433	452	485	549	562	595	788	982	1176	1305	1628
334	10	Watt = W =	391	413	488	503	526	563	638	653	691	916	1142	1367	1517	1893
402	12	Watt = W =	442	468	553	570	595	638	723	740	782	1037	1292	1548	1718	2143
470	14	Watt = W =	492	520	615	633	662	709	804	823	870	1154	1437	1721	1910	2383
538	16	Watt = W =	540	571	674	695	726	778	882	903	955	1266	1577	1888	2096	2615
606	18	Watt = W =	586	620	733	755	789	845	958	981	1037	1375	1713	2052	2277	2841
674	20	Watt = W =	632	668	790	814	850	911	1033	1057	1118	1482	1847	2211	2454	3062
742	22	Watt = W =	677	716	846	872	911	976	1106	1132	1197	1588	1978	2368	2629	-
810	24	Watt = W =	721	763	901	929	970	1040	1178	1206	1275	1691	2107	2523	2801	-
878	26	Watt = W =	765	809	956	985	1029	1103	1250	1280	1353	1794	2235	2677	-	-
946	28	Watt = W =	808	855	1010	1041	1088	1166	1321	1352	1430	1896	2362	2829	-	-
1014	30	Watt = W =	851	900	1064	1097	1146	1228	1392	1424	1506	1997	2489	-	-	-
1082	32	Watt = W =	894	946	1118	1152	1204	1290	1462	1496	1582	2098	2614	-	-	-
1150	34	Watt = W =	937	991	1171	1207	1261	1352	1532	1568	1658	2199	2739	-	-	-
1218	36	Watt = W =	980	1036	1225	1262	1319	1413	1602	1639	1734	2299	-	-	-	-
1286	38	Watt = W =	1023	1082	1278	1317	1376	1475	1671	1711	1809	2399	-	-	-	-
1354	40	Watt = W =	1065	1127	1332	1372	1434	1536	1741	1782	1885	2499	-	-	-	-

Type	Description	Document	Downloads
Technical document			Downloads PDF
Catalogs	Catalog 2023	Catalog 2023	Downloads PDF
Catalogs	Color chart	Color chart	Downloads PDF
Installation Manual	FOISTR0394M	FOISTR0394M	Downloads PDF
Installation Manual	FOISTR0651M	FOISTR0651M	Downloads PDF
Installation Manual	FOISTR0431M	FOISTR0431M	Downloads PDF

Type	Description	Document	Downloads
3D Model	ARPA23_2_ORIZZ	ARPA23_2_ORIZZ

Calculate the power

How to choose the Arpa 23_2 Horizontal radiator for your home? How to know what is the right power to heat each room? Online thermal requirement allows you to identify the most suitable radiator for your living space