Fin X Heat Exchangers

Outer Diameter D (mm): 50
Fin Height h (mm): 11.5
Fin Thickness s (mm): 0.3
Fin Pitch t (mm): 2.5
Aluminum Tube Wall (mm): 1

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Product Introduction

Factory & Certifications

Our factory is in Taihu New City, Wuxi. We started making heat exchange equipment in 1997. In 2025 we changed to a joint stock company. We have large plate rolling machines, laser cutters, automatic welders, and over 50 other machines. We are a member of the China Pharmaceutical Equipment Industry Association. We are also a supplier to Sinopec. We have our own R&D team. We have worked with many international brands. We follow all environmental rules. We hold a national pressure vessel manufacturing license. Every unit gets 100% inspection before it leaves our factory. You can also send a third party to inspect. Our warranty is 18 months after arrival at the site. We buy insurance from factory to loading port. Export packing uses fumigation wood and waterproof cloth. These practices protect your interests.

Product Types & Applications

The product is one of our top export fin x heat exchangerss. It has finned tube bundles, a shell, inlet and outlet pipes. We make two kinds of finned tubes. One uses cold rolled steel strip wound around a seamless steel pipe, then galvanized. The other uses a steel-aluminum composite tube made on a special rolling machine. The bond is very tight. This fin x heat exchangers has good heat transfer and resists corrosion. It works for warm air heating, air conditioning, cooling, and drying. You can use steam or high temperature water to heat air. You can also use salt water or chilled water to cool air. We have many models: SRL, SRZ, UII, GLII, and FUL. Different models have different fin spacing and row numbers for different heat media. For example, the UII model uses copper tube with corrugated copper fin. Fin spacing options are 3.2 mm, 4.2 mm, and 6.5 mm. It works for steam and hot water systems. The GLII model uses 18×2 mm seamless steel pipe with steel fin. Fin spacing is 3.2 mm. It takes high pressure and resists corrosion. The FUL model uses a steel-aluminum composite fin tube with a floating head design. This compensates for thermal stress. It is very good for thermal oil heating.

SRL fin x heat exchangers - Heat Transfer Coefficient & Resistance

Model	Heat Medium	K Value (kcal/m²·h·°C)	Resistance (mmH₂O)
SRL B×A/2	Steam (1 atm gauge)	K = 13.1 (Vγ)^0.40	H = 0.174 (Vγ)^1.67
	Superheated water 130°C (flow 0.023-0.037)	K = 14.2 (Vγ)^0.24	H = 0.153 (Vγ)^1.58
SRL B×A/3	Steam (1 atm gauge)	K = 13.0 (Vγ)^0.43	H = 0.309 (Vγ)^1.62
	Superheated water 130°C (flow 0.0154-0.038)	K = 12.5 (Vγ)^0.29	H = 0.296 (Vγ)^1.58

SRL fin x heat exchangers - Technical Data Table

Model	Air Net Area (m²)	Heat Area (m²)	Tube Qty	Heat Medium Area (m²)	Medium Pass Area (m²)	Dimensions (mm)	Connection	Weight (kg)
						A	B	A1	B1	A2	B2	A3	B3	C
SRL-5×5/3	0.11	16.7	35	0.88	0.007	500	400	545	500	575	540	605	570	200	5"/4	51
SRL-5×5/2	0.11	11	23	0.58	0.0046	500	400	545	500	575	540	605	570	160	5"/4	38
SRL-10×5/3	0.22	34	35	1.76	0.007	500	900	545	1000	575	1040	605	1070	200	5"/4	83
SRL-10×5/2	0.22	22.3	23	1.16	0.0046	500	900	545	1000	575	1040	605	1070	160	5"/4	50
SRL-12×5/3	0.27	42.6	35	2.2	0.007	500	1200	545	1250	575	1290	605	1320	200	5"/4	99
SRL-12×5/2	0.27	28	23	1.45	0.0046	500	1200	545	1250	575	1290	605	1320	160	5"/4	71
SRL-6×6/3	0.15	23.6	41	1.24	0.0082	600	500	635	600	665	640	695	670	200	3"/2	66
SRL-6×6/2	0.15	15.6	27	0.82	0.0054	600	500	635	600	665	640	695	670	160	3"/2	43
SRL-10×6/3	0.26	39.8	41	2.06	0.0082	600	900	635	1000	665	1040	695	1070	200	3"/2	95
SRL-10×6/2	0.26	26.2	27	1.36	0.0054	600	900	635	1000	665	1040	695	1070	160	3"/2	59
SRL-12×6/3	0.32	49.9	41	2.58	0.0082	600	1200	635	1250	665	1290	695	1320	200	3"/2	113
SRL-12×6/2	0.32	32.9	27	1.7	0.0054	600	1200	635	1250	665	1290	695	1320	160	3"/2	81
SRL-15×6/3	0.39	60	41	3.09	0.0082	600	1400	635	1500	665	1540	695	1570	200	3"/2	131
SRL-15×6/2	0.39	39.5	27	2.04	0.0054	600	1400	635	1500	665	1540	695	1570	160	3"/2	94
SRL-24×6/3	0.6	95.8	41	4.89	0.0082	600	2300	635	2400	665	2440	695	2470	200	3"/2	197
SRL-24×6/2	0.6	63.1	27	3.23	0.0054	600	2300	635	2400	665	2440	695	2470	160	3"/2	138
SRL-7×7/3	0.21	31.7	47	1.65	0.0094	700	600	725	700	755	740	785	770	200	2"	83
SRL-7×7/2	0.21	20.9	31	1.09	0.0062	700	600	725	700	755	740	785	770	160	2"	60
SRL-10×7/3	0.3	45.7	47	2.36	0.0094	700	900	725	1000	755	1040	785	1070	200	2"	107
SRL-10×7/2	0.3	31	31	1.56	0.0062	700	900	725	1000	755	1040	785	1070	160	2"	77
SRL-12×7/3	0.37	57.2	47	2.96	0.0094	700	1200	725	1250	755	1290	785	1320	200	2"	127
SRL-12×7/2	0.37	37.8	31	1.95	0.0062	700	1200	725	1250	755	1290	785	1320	160	2"	91
SRL-14×7/3	0.43	66.1	47	3.41	0.0094	700	1400	725	1450	755	1490	785	1250	200	2"	144
SRL-14×7/2	0.43	43.6	31	2.25	0.0062	700	1400	725	1450	755	1490	785	1250	160	2"	102
SRL-15×7/3	0.45	68.8	47	3.54	0.0094	700	1400	725	1500	755	1540	785	1570	200	2"	148
SRL-15×7/2	0.45	45.4	31	2.34	0.0062	700	1400	725	1500	755	1540	785	1570	160	2"	105
SRL-17×7/3	0.5	80.4	47	4.13	0.0094	700	1700	725	1750	755	1790	785	1820	200	2"	169
SRL-17×7/2	0.5	53.1	31	2.73	0.0062	700	1700	725	1750	755	1790	785	1820	160	2"	120
SRL-22×7/3	0.66	101.3	47	5.21	0.0094	700	2100	725	2200	755	2240	785	2270	200	2"	196
SRL-22×7/2	0.66	66.8	31	3.43	0.0062	700	2100	725	2200	755	2240	785	2270	160	2"	145
SRL-15×10/3	0.69	95.2	65	4.91	0.013	1000	1400	995	1500	1025	1540	1055	1570	200	5"/2	215
SRL-15×10/2	0.69	63	43	3.25	0.0086	1000	1400	995	1500	1025	1540	1055	1570	160	5"/2	140
SRL-17×10/3	0.74	111.4	65	5.72	0.013	1000	1700	995	1750	1025	1790	1055	1320	200	5"/2	226
SRL-17×10/2	0.74	73.6	43	3.89	0.0086	1000	1700	995	1750	1025	1790	1055	1320	160	5"/2	159
SRL-20×10/3	0.85	127.5	65	6.54	0.013	1000	1900	995	2000	1025	2040	1055	2070	200	5"/2	252
SRL-20×10/2	0.85	84.2	43	4.33	0.0086	1000	1900	995	2000	1025	2040	1055	2070	160	5"/2	177
SRL-14×8/2	0.54	50.7	35	2.55	0.007	800	1400	815	1450	845	1490	875	1520	160	2"	108

SRZ - Technical Data Table

Model	Heat Area (m²)	Air Net Area (m²)	Medium Pass Area (m²)	Rows	Tube Qty	Connection (inch)	Dimensions (mm)	Weight (kg)
							A	A1	A2	B	B1	B2	n	N	m	M
SRZ-5×5(D)	10.13	0.154	0.0043	3	23	1½"	497	532	562	507	547	573	5	500	4	400	54
SRZ-5×5(Z)	8.78	0.155		3	23	1½"	497	532	562	507	547	573	5	500	4	400	48
SRZ-5×5(X)	6.23	0.158		3	23	1½"	497	532	562	507	547	573	5	500	4	400	45
SRZ-10×5(D)	19.92	0.302		3	23	1½"	497	532	562	1001	1041	1067	5	500	9	900	93
SRZ-10×5(Z)	17.26	0.306		3	23	1½"	497	532	562	1250	1290	1316	5	500	9	900	84
SRZ-10×5(X)	12.22	0.312		3	23	1½"	497	532	562	1250	1290	1316	5	500	12	1200	76
SRZ-12×5(D)	24.86	0.378		3	23	1½"	497	532	562	1250	1290	1316	5	500	12	1200	113
SRZ-6×6(D)	15.33	0.231	0.0055	3	29	2"	623	658	688	609	649	675	6	600	5	500	77
SRZ-6×6(Z)	13.29	0.234		3	29	2"	623	658	688	609	649	675	6	600	5	500	69
SRZ-6×6(X)	9.43	0.239		3	29	2"	623	658	688	609	649	675	6	600	5	500	63
SRZ-10×6(D)	25.13	0.381		3	29	2"	623	658	688	1001	1041	1067	6	600	9	900	115
SRZ-10×6(Z)	21.77	0.385		3	29	2"	623	658	688	1001	1041	1067	6	600	9	900	103
SRZ-10×6(X)	15.42	0.393		3	29	2"	623	658	688	1001	1041	1067	6	600	9	900	93
SRZ-12×6(D)	31.35	0.475		3	29	2"	623	658	688	1250	1290	1316	6	600	12	1200	139
SRZ-15×6(D)	37.73	0.572		3	29	2"	623	658	688	1505	1545	1571	6	600	14	1400	164
SRZ-15×6(Z)	32.67	0.579		3	29	2"	623	658	688	1505	1545	1571	6	600	14	1400	146
SRZ-15×6(X)	23.13	0.591		3	29	2"	623	658	688	1505	1545	1571	6	600	14	1400	139
SRZ-7×7(D)	20.31	0.32	0.0063	3	33	2"	717.5	742	772	710	750	776	7	700	6	600	97
SRZ-7×7(Z)	17.6	0.324		3	33	2"	717.5	742	772	710	750	776	7	700	6	600	87
SRZ-7×7(X)	12.48	0.329		3	33	2"	717.5	742	772	710	750	776	7	700	6	600	79
SRZ-10×7(D)	28.59	0.45		3	33	2"	717.5	742	772	1001	1041	1067	7	700	9	900	129
SRZ-10×7(Z)	24.77	0.456		3	33	2"	717.5	742	772	1001	1041	1067	7	700	9	900	115
SRZ-10×7(X)	17.55	0.464		3	33	2"	717.5	742	772	1001	1041	1067	7	700	9	900	104
SRZ-12×7(D)	35.67	0.563		3	33	2"	717.5	742	772	1250	1290	1316	7	700	12	1200	156
SRZ-15×7(D)	42.93	0.678		3	33	2"	717.5	742	772	1505	1545	1571	7	700	14	1400	183
SRZ-15×7(Z)	37.18	0.685		3	33	2"	717.5	742	772	1505	1545	1571	7	700	14	1400	164
SRZ-15×7(X)	26.32	0.698		3	33	2"	717.5	742	772	1505	1545	1571	7	700	14	1400	145
SRZ-17×7(D)	49.9	0.788		3	33	2"	717.5	742	772	1750	1790	1816	7	700	17	1700	210
SRZ-17×7(Z)	43.21	0.797		3	33	2"	717.5	742	772	1750	1790	1816	7	700	17	1700	187
SRZ-17×7(X)	30.58	0.812		3	33	2"	717.5	742	772	1750	1790	1816	7	700	17	1700	169
SRZ-22×7(D)	62.75	0.901	0.0063	3	33	1½"	717.5	742	772	2202	2242	2268	7	700	21	2100	260
SRZ-15×10(D)	62.14	0.921	0.0089	3	47	1½"	1001	1036	1066	1505	1545	1571	10	1000	14	1400	255
SRZ-15×10(Z)	52.95	0.932		3	47	1½"	1001	1036	1066	1505	1545	1571	10	1000	14	1400	227
SRZ-15×10(X)	37.48	0.951		3	47	1½"	1001	1036	1066	1505	1545	1571	10	1000	14	1400	203
SRZ-17×10(D)	71.06	1.072		3	47	1½"	1001	1036	1066	1750	1790	1816	10	1000	17	1700	293
SRZ-17×10(Z)	61.54	1.085		3	47	1½"	1001	1036	1066	1750	1790	1816	10	1000	17	1700	260
SRZ-17×10(X)	43.56	1.106		3	47	1½"	1001	1036	1066	1750	1790	1816	10	1000	17	1700	232
SRZ-20×10(D)	81.27	1.226		3	47	1½"	1001	1036	1066	2002	2042	2068	10	1000	19	1900	331

UII Steam Heat Exchanger - Technical Data Table

Surface Tubes	B (mm)	Parameter	Rows	24	30	36	42	48	54	60	66	72	1900	2050	2200	2350	96	100	102	108	114	2950	3100
12 tubes	510	Heat Area (m²)	-	2	9	11.25	13.5	15.75	18	20.25	22.5	24.75	27	29.25	31.5	33.75	36	38.25	40.5	42.75	45	/	/
		Air Face Area (m²)	1/2 row	0.26	0.325	0.39	0.455	0.52	0.585	0.65	0.715	0.78	0.845	0.91	0.975	1.04	1.105	1.17	1.235	1.3	/	/	/
		Air Net Area (m²)	1/2 row	0.144	0.18	0.216	0.252	0.288	0.324	0.36	0.396	0.432	0.468	0.504	0.54	0.576	0.612	0.648	0.684	0.72	/	/	/
		Connection (inch)	1 row	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	/	/
		Connection (inch)	2 rows	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	/	/
		Net Weight (kg)	1 row	27	30.5	34	37.5	41	44.5	48	51.5	55	58.5	62	65.5	69	72.5	76	79.5	83	86.5	90
		Net Weight (kg)	2 rows	35	40.5	46	51.5	57	62.5	68	73.5	79	84.5	90	95.5	101	106.5	112	117.5	123	/	/
15 tubes	616	Heat Area (m²)	-	11.25	14.06	16.88	19.69	22.5	25.31	28.13	30.94	33.75	36.56	39.38	42.19	45	47.81	50.63	53.44	56.25	/	/	/
		Air Face Area (m²)	1/2 row	0.325	0.408	0.488	0.568	0.648	0.731	0.813	0.894	0.975	1.056	1.138	1.219	1.3	1.381	1.462	1.544	1.625	/	/	/
		Air Net Area (m²)	1/2 row	0.18	0.225	0.27	0.315	0.36	0.405	0.45	0.495	0.54	0.585	0.63	0.675	0.72	0.765	0.81	0.855	0.9	/	/	/
		Connection (inch)	1 row	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	/	/
		Connection (inch)	2 rows	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	/	/
		Net Weight (kg)	1 row	32	36	40	44	48	52	56	60	64	68	72	76	80	84	88	92	96	/	/
		Net Weight (kg)	2 rows	42	48.55	55	61.5	68	74.5	81	87.5	94	100.5	107	113.5	120	126.5	133	139.5	146.5	/	/
18 tubes	722	Heat Area (m²)	-	13.5	16.88	20.25	23.63	27	30.38	33.75	37.13	40.5	43.88	47.25	50.63	54	57.38	60.75	64.13	67.5	/	/	/
		Air Face Area (m²)	1/2 row	0.39	0.488	0.586	0.684	0.782	0.88	0.978	1.076	1.174	1.272	1.37	1.468	1.566	1.664	1.762	1.86	1.958	/	/	/
		Air Net Area (m²)	1/2 row	0.216	0.27	0.324	0.378	0.432	0.486	0.54	0.594	0.648	0.702	0.756	0.81	0.864	0.918	0.972	1.026	1.08	/	/	/
		Connection (inch)	1 row	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	/	/
		Connection (inch)	2 rows	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	/	/
		Net Weight (kg)	1 row	36	40.5	45	49.5	54	58.5	63	67.5	72	76.5	81	85.5	90	94.5	99	103.5	108	/	/
		Net Weight (kg)	2 rows	48.5	56	63.75	71	78.5	86	93.5	101	108.5	116	123.5	131	138.5	146	153.5	161	168.5	/	/
21 tubes	828	Heat Area (m²)	-	15.75	19.69	23.63	27.56	31.5	35.44	39.38	43.31	47.25	51.19	55.13	59.06	63	66.94	70.88	74.81	78.75	/	/	/
		Air Face Area (m²)	1/2 row	0.455	0.568	0.681	0.794	0.907	1.02	1.133	1.246	1.359	1.472	1.585	1.698	1.811	1.924	2.037	2.15	2.263	/	/	/
		Air Net Area (m²)	1/2 row	0.252	0.315	0.378	0.441	0.504	0.567	0.63	0.693	0.756	0.819	0.882	0.945	1.008	1.071	1.134	1.197	1.26	/	/	/
		Connection (inch)	1 row	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	/	/
		Connection (inch)	2 rows	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	/	/
		Net Weight (kg)	1 row	41	46	51	56	61	66	71	76	81	86	91	96	101	106	111	116	121	/	/
		Net Weight (kg)	2 rows	55	63.5	72	80.9	89	97.5	106	114.5	123	131.5	140	148.5	157	165.5	174	182.5	191	/	/
24 tubes	934	Heat Area (m²)	-	18	22.5	27	31.5	36	40.5	45	49.5	54	58.5	63	67.5	72	76.5	81	85.5	90	/	/	/
		Air Face Area (m²)	1/2 row	0.52	0.65	0.78	0.91	1.04	1.17	1.3	1.43	1.56	1.69	1.82	1.95	2.08	2.21	2.34	2.47	2.6	/	/	/
		Air Net Area (m²)	1/2 row	0.288	0.36	0.432	0.504	0.576	0.648	0.72	0.792	0.864	0.936	1.008	1.08	1.152	1.224	1.296	1.368	1.44	/	/	/
		Connection (inch)	1 row	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	/	/
		Connection (inch)	2 rows	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	/	/
		Net Weight (kg)	1 row	46	51.5	57	62.5	68	73.5	79	84.5	90	95.5	101	106.5	112	117.5	123	128.5	134	/	/
		Net Weight (kg)	2 rows	63	72.5	82	91.5	101	110.5	120	129.5	139	148.5	158	167.5	177	186.5	196	205.5	215	/	/

GLII Steam Heat Exchanger - Basic Parameter Table

Surface Tubes	B (mm)	Parameter / Rows	20	30	36	42	48	54	60	66	72	78	84	90	96	102	108	114	120
		A (mm) / Tube Length	700	850	1000	1150	1200	1450	1600	1750	1900	2050	2200	2350	2500	2650	2800	2950	3100
6	318	Heat Area (m²) - 2 rows	4.7	5.84	6.98	8.12
		Heat Area (m²) - 4 rows	9.4	11.68	13.96	16.24
		Air Face Area (m²) - 2,4 rows	0.157	0.196	0.235	0.273
		Air Net Area (m²) - 2,4 rows	0.083	0.108	0.126	0.145
		Connection (inch) - 2,4 rows	1	1	1	1
		Net Weight (kg) - 2 rows	19	22	25	28
		Net Weight (kg) - 4 rows	34	40	45	50
8	396	Heat Area (m²) - 2 rows	6.26	7.78	9.23	10.84	12.42	13.94	15.48
		Heat Area (m²) - 4 rows	12.52	15.56	18.64	21.68	24.84	27.88	30.96
		Air Face Area (m²) - 2,4 rows	0.205	0.255	0.306	0.356	0.406	0.457	0.507
		Air Net Area (m²) - 2,4 rows	0.108	0.135	0.162	0.189	0.215	0.242	0.268
		Connection (inch) - 2,4 rows	1	1	1	1	1	1	2
		Net Weight (kg) - 2 rows	23	27	31	35	39	43	47
		Net Weight (kg) - 4 rows	42	50	58	66	74	82	90
10	474	Heat Area (m²) - 2 rows	7.82	9.72	11.64	13.56	15.48	17.42	19.34	21.22	23.18	25.08	27
		Heat Area (m²) - 4 rows	15.64	19.44	23.28	27.12	30.96	34.84	38.68	42.44	46.36	50.16	54
		Air Face Area (m²) - 2,4 rows	0.253	0.315	0.377	0.438	0.501	0.563	0.625	0.687	0.749	0.812	0.873
		Air Net Area (m²) - 2,4 rows	0.134	0.167	0.2	0.233	0.266	0.298	0.332	0.366	0.398	0.43	0.463
		Connection (inch) - 2,4 rows	1	1	1	1	1	1	1	1	1	1	1
		Net Weight (kg) - 2 rows	28	33	37	41	45	50	55	60	66	72	78
		Net Weight (kg) - 4 rows	50	59	66	73	81	90	99	109	119	129	140
12	552	Heat Area (m²) - 2 rows	9.36	11.66	13.98	16.26	18.62	20.9	23.2	25.46	27.8	30.1	32.38	34.7	37	39.34	41.7	44	46.2
		Heat Area (m²) - 4 rows	18.72	23.32	27.96	32.52	37.24	41.8	46.4	50.92	55.6	60.2	64.76	69.4	74	78.68	83.4	88	92.4
		Air Face Area (m²) - 2,4 rows	0.3	0.374	0.447	0.521	0.595	0.669	0.741	0.816	0.891	0.965	1.035	1.11	1.185	1.258	1.335	1.41	1.48
		Air Net Area (m²) - 2,4 rows	0.159	0.198	0.237	0.276	0.316	0.354	0.393	0.433	0.473	0.512	0.549	0.588	0.628	0.666	0.707	0.748	0.748
		Connection (inch) - 2,4 rows	2	2	2	2	2	2	2	2	3	3	2	2	2	2	2	2	2
		Net Weight (kg) - 2 rows	37	43	49	55	61	67	73	79	85	91	97	103	109	115	121	127	133
		Net Weight (kg) - 4 rows	66	78	90	102	114	126	139	150	162	174	186	198	210	222	234	246	258
15	669	Heat Area (m²) - 2 rows	11.62	14.58	17.48	20.34	23.24	26.12	29	31.82	34.78	37.62	40.5	43.4	46.2	49.2	52.1	55	57.8
		Heat Area (m²) - 4 rows	23.29	29.16	34.96	40.68	46.48	52.24	58	63.64	69.56	75.24	81	86.8	92.4	98.4	104.2	110	115.6
		Air Face Area (m²) - 2,4 rows	0.372	0.463	0.554	0.645	0.737	0.828	0.92	1.01	1.01	1.192	1.285	1.375	1.468	1.56	1.65	1.74	1.835
		Air Net Area (m²) - 2,4 rows	0.197	0.245	0.294	0.342	0.391	0.438	0.488	0.53	0.584	0.632	0.681	0.73	0.777	0.826	0.875	0.953	0.973
		Connection (inch) - 2,4 rows	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2
		Net Weight (kg) - 2 rows	46	53	60	68	75	82	89	96	103	111	118	125	132	139	146	153	160
		Net Weight (kg) - 4 rows	83	95	108	122	135	148	161	174	187	200	213	226	239	252	265	278	291
18	786	Heat Area (m²) - 2 rows	14.06	17.5	20.9	24.4	27.88	31.38	34.8	38.22	41.7	45.1	48.6	52.08	55.5	59	62.5	65.9	69.4
		Heat Area (m²) - 4 rows	28.12	35	41.88	48.8	55.76	62.76	69.6	76.44	83.4	90.2	97.2	104.16	111	118	125	131.8	138.8
		Air Face Area (m²) - 2,4 rows	0.443	0.552	0.66	0.769	0.879	0.987	1.095	1.204	1.313	1.42	1.53	1.64	1.745	1.86	1.956	2.08	2.185
		Air Net Area (m²) - 2,4 rows	0.235	0.293	0.35	0.407	0.464	0.523	0.58	0.638	0.696	0.753	0.811	0.869	0.928	0.986	1.035	1.102	1.158
		Connection (inch) - 2,4 rows	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2
		Net Weight (kg) - 2 rows	53	67	69	77	85	92	100	108	116	124	132	140	146	156	164	172	180
		Net Weight (kg) - 4 rows	92	108	124	140	156	172	198	204	220	236	252	268	284	300	306	332	348
21	903	Heat Area (m²) - 2 rows	16.3	20.4	24.44	28.42	32.34	36.58	40.6	44.6	48.7	52.7	56.7	60.8	64.7	68.8	72.9	76.9	80.8
		Heat Area (m²) - 4 rows	32.6	40.8	48.88	56.84	64.68	73.16	80.12	89.2	95.4	105.4	113.4	121	129.4	137.6	145.8	153.8	161.6
		Air Face Area (m²) - 2,4 rows	0.515	0.641	0.767	0.893	1.02	1.145	1.272	1.399	1.528	1.651	1.78	1.905	2.03	2.16	2.28	2.41	2.54
		Air Net Area (m²) - 2,4 rows	0.276	0.342	0.407	0.473	0.541	0.607	0.674	0.741	0.81	0.875	0.944	1.01	1.075	1.145	1.208	1.28	1.345
		Connection (inch) - 2,4 rows	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2
		Net Weight (kg) - 2 rows	60	69	78	87	96	103	112	121	130	139	148	157	166	175	184	193	202
		Net Weight (kg) - 4 rows	105	123	141	159	177	195	213	231	249	267	285	303	321	339	357	375	393
24	1020	Heat Area (m²) - 2 rows	18.62	23.2	27.9	32.54	37.9	41.8	46.4	50.92	55.6	60.2	64.8	69.4	73.9	78.7	83.4	88.8	92.5
		Heat Area (m²) - 4 rows	37.24	16.52	55.8	65.08	75.9	83.6	92.8	101.8	111.2	120.4	129.6	138.8	147.8	157.4	168.8	179.6	184.8
		Air Face Area (m²) - 2,4 rows	0.587	0.73	0.873	1.04	1.161	1.307	1.451	1.591	1.739	1.884	2.025	2.17	2.315	2.455	2.605	2.745	2.89
		Air Net Area (m²) - 2,4 rows	0.313	0.388	0.463	0.538	1.615	0.093	0.769	0.843	0.921	0.998	1.075	1.15	1.225	1.3	1.38	1.455	1.53
		Connection (inch) - 2,4 rows	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2
		Net Weight (kg) - 2 rows	68	79	90	101	142	123	133	144	155	164	174	184	194	204	215	226	238
		Net Weight (kg) - 4 rows	120	141	162	182	201	220	239	258	277	295	314	333	352	371	390	410	430

FUL Thermal Oil Heat Exchanger - Steel-Aluminum Fin Tube Specification

Outer Diameter D (mm)	Fin Height h (mm)	Fin Thickness s (mm)	Fin Pitch t (mm)	Aluminum Tube Wall (mm)	Steel Tube Wall (mm)	Total Outer Area Sw (m²/m)	Sw/Sn
50	11.5	0.3	2.5	1	2	1.206	18.28

Note: Other sizes can be made to customer needs.

FUL Thermal Oil Heat Exchanger - Dimensions & Main Parameters

Model	Face Area (m²)	Heat Area (m²)	Air Net Area (m²)	Surface Tubes	Rows	Connection DN (in)	Dimensions (mm)	Weight (kg)
							A	B	A1	A2	B1	B2	D	n	N	m	M
FUL-5×5	0.257	10.854	0.123	9	2	1½"	500	513	560	600	553	593	75	4	400	4	400	see note
FUL-8×5	0.41	17.366	0.196	9	2	1½"	800	513	860	900	553	593	75	4	400	7	700	see note
FUL-10×5	0.513	21.708	0.245	9	2	1½"	1000	513	1060	1100	553	593	75	4	400	9	900	see note
FUL-6×6	0.405	17.366	0.191	12	2	1½"	600	675	660	700	715	755	75	5	500	5	500	see note
FUL-8×6	0.54	23.155	0.255	12	2	1½"	800	675	860	900	715	755	75	5	500	7	700	see note
FUL-10×6	0.675	28.944	0.318	12	2	1½"	1000	675	1060	1100	715	755	75	5	500	9	900	see note
FUL-12×6	0.81	34.733	0.381	12	2	1½"	1200	675	1260	1300	715	755	75	5	500	11	1100	see note
FUL-8×8	0.67	28.944	0.313	15	2	2"	800	837	860	900	877	917	75	7	700	7	700	see note
FUL-10×8	0.837	36.18	0.391	15	2	2"	1000	837	1060	1100	877	917	75	7	700	9	900	see note
FUL-12×8	1.004	43.416	0.469	15	2	2"	1200	837	1260	1300	877	917	75	7	700	11	1100	see note
FUL-14×8	1.172	50.652	0.547	15	2	2"	1400	837	1460	1500	877	917	75	7	700	13	1300	see note
FUL-14×10	1.474	64.159	0.683	19	2	2½"	1400	1053	1460	1500	1093	1133	75	9	900	13	1300	see note
FUL-16×10	1.685	73.325	0.78	19	2	2½"	1600	1053	1660	1700	1093	1133	75	9	900	15	1500	see note
FUL-18×10	1.895	82.49	0.878	19	2	2½"	1800	1053	1860	1900	1093	1133	75	9	900	17	1700	see note
FUL-18×12	2.284	99.857	1.052	23	2	3"	1800	1269	1860	1800	1309	1349	75	11	1100	17	1700	see note
FUL-20×12	2.538	110.952	1.169	23	2	3"	2000	1269	2060	2100	1309	1349	75	11	1100	19	1900	see note
FUL-22×12	2.792	122.047	1.286	23	2	3"	2200	1269	2260	2300	1309	1349	75	11	1100	21	2100	see note
FUL-25×12	3.173	138.69	1.461	23	2	3"	2500	1269	2560	2600	1309	1349	75	11	1100	24	2400	see note

Overseas Success & Service Commitment

We have great results in overseas markets. In Pakistan and Vietnam, the product is our main product. We have made optimizations for local energy conditions and manufacturing needs. To date, we have delivered over 200 products in these two countries. A chemical customer in Pakistan needed to heat air for their drying room. We gave them the SRZ-10×6(D) model. The heat area was 25.13 m². The air net area was 0.381 m². The medium pass area was 0.0055 m². The unit used three rows of staggered spiral fin tubes. The customer used steam and got stable outlet temperature. After one year, they ordered five more. A food factory in Vietnam used our FUL type thermal oil heater, model FUL-10×5, with heat area 21.708 m². They used thermal oil to heat air with very accurate temperature control. They were happy with our service. Our on-time delivery rate is 100%. Our customer repurchase rate is over 60%. We do not support OEM private label, but we can make to your drawings or prototypes. Minimum order is 1 unit. You can mix different models and colors in one order. Standard product lead time is 20 days. Custom products take 30 days minimum. Repeat orders are faster. Our monthly capacity for products is about 50 units. Payment: 40% in advance, 60% before shipment. We accept RMB and USD. Trade terms: EXW or FOB. We believe this product is a versatile and efficient choice for air heating and cooling applications.

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