Arpa 23 Horizontal

Musical form that combines personality with functionality. Ideal, therefore, for small and large environments, even with low temperature systems. ARPA 23 Horizontal is available in 14 widths, from 4 to 40 elements and thermal powers from 94 to 3302 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

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Thermal power

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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	50,0	520	470	0,46	0,20
550	50,0	550	500	0,48	0,20
650	50,0	650	600	0,55	0,24
670	50,0	670	620	0,56	0,24
700	50,0	700	650	0,58	0,25
750	50,0	750	700	0,62	0,27
850	50,0	850	800	0,69	0,30
870	50,0	870	820	0,70	0,31
920	50,0	920	870	0,74	0,33
1220	50,0	1220	1170	0,95	0,42
1520	50,0	1520	1470	1,16	0,52
1820	50,0	1820	1770	1,37	0,62
2020	50,0	2020	1970	1,50	0,69
2520	50,0	2520	2470	1,85	0,85

Thanks to the high performance of Irsap ARPA 23 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	617,3	946,7	1.272,7	1.594,7	1.910,8	2.221,1	2.525,7	2.823,7	3.115,3	3.400,0	3.678,6	3.950,3	4.215,6	4.474,0	4.726,3	4.972,1	5.211,5	5.444,3	5.671,3
Yield per linear meter Watt at Δt=50°C	180,8	277,3	372,8	467,1	559,7	650,6	739,8	827,1	912,5	995,9	1.077,5	1.157,1	1.234,8	1.310,5	1.384,4	1.456,4	1.526,5	1.594,7	1.661,2
Yield per linear meter Watt at Δt=40°C	137,4	210,9	283,7	355,7	426,6	497,1	566,5	634,9	700,2	764,0	826,2	885,5	943,0	999,1	1.063,0	1.119,2	1.173,9	1.227,4	1.279,5
Yield per linear meter Watt at Δt=30°C	96,4	148,2	199,5	250,3	300,6	351,4	401,6	451,5	497,6	542,8	586,7	627,2	666,2	704,2	756,1	797,1	836,7	875,9	913,8
Yield per linear meter Watt at Δt=20°C	58,5	90,1	121,4	152,6	183,5	215,5	247,3	279,3	307,5	335,3	362,1	385,7	408,2	430,1	467,8	494,0	519,2	544,4	568,6
Exponent change	1,231	1,227	1,224	1,221	1,217	1,206	1,196	1,185	1,187	1,188	1,190	1,199	1,208	1,216	1,184	1,180	1,177	1,173	1,170

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 =	94	99	118	121	127	136	154	157	166	221	275	329	365	456
198	6	Watt = W =	144	153	180	186	194	208	236	241	255	338	421	505	560	699
266	8	Watt = W =	194	205	242	250	261	280	317	324	343	455	567	678	753	939
334	10	Watt = W =	243	257	304	313	327	350	397	406	430	570	710	850	944	1177
402	12	Watt = W =	291	308	364	375	392	420	476	487	515	683	851	1019	1131	1410
470	14	Watt = W =	338	358	423	436	455	488	553	566	599	794	989	1184	1314	1640
538	16	Watt = W =	385	407	481	496	518	555	629	644	681	903	1124	1346	1494	1864
606	18	Watt = W =	430	455	538	554	579	620	703	720	761	1009	1257	1505	1671	2084
674	20	Watt = W =	475	502	593	611	639	684	776	794	840	1113	1387	1661	1843	2300
742	22	Watt = W =	518	548	647	667	697	747	847	866	916	1215	1514	1813	2012	2510
810	24	Watt = W =	560	593	700	722	754	808	916	937	991	1315	1638	1961	2177	2715
878	26	Watt = W =	602	636	752	775	810	868	984	1007	1065	1412	1759	2106	2337	2916
946	28	Watt = W =	642	679	803	827	864	926	1050	1074	1136	1506	1877	2247	2494	3112
1014	30	Watt = W =	681	721	852	878	917	983	1114	1140	1206	1599	1992	2385	2647	3302
1082	32	Watt = W =	720	761	900	928	969	1038	1177	1204	1274	1689	2104	2520	2796	-
1150	34	Watt = W =	757	801	947	976	1019	1092	1238	1267	1340	1777	2214	2651	2942	-
1218	36	Watt = W =	794	840	992	1023	1069	1145	1298	1328	1404	1862	2320	2778	3084	-
1286	38	Watt = W =	829	877	1037	1068	1116	1196	1355	1387	1467	1946	2424	2902	3221	-
1354	40	Watt = W =	864	914	1080	1113	1163	1246	1412	1445	1528	2027	2525	3023	-	-

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	FOISTR0633M	FOISTR0633M	Downloads PDF
Installation Manual	FOISTR0431M	FOISTR0431M	Downloads PDF

Type	Description	Document	Downloads
3D Model	ARPA23_ORIZZ	ARPA23_ORIZZ

Calculate the power

How to choose the Arpa 23 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