Circulation Heaters for Medium Weight Oils, Heat Transfer Oils, Liquid Paraffin

CHF4 Series

Circulation Heaters

Standard Element Sheath Materials
Incoloy® 800 — A Nickel (30 to 35%), Chromium (19 to 23%), Iron alloy. The high nickel content of this alloy contributes to its resistance to scaling and corrosion. Used in air heating (also see Incoloy® 840) and immersion heating of potable water and other liquids that are not corrosive to an Incoloy® 800 sheath.
Low Carbon Steel — Applications include fluid heat transfer media, tar, high to low viscosity petroleum oils, asphalt, wax, molten salt, and other solutions not corrosive to a steel sheath.
316 Stainless Steel — A Chromium (16 to 18%), Nickel (11 to 14%), Iron Alloy with Molybdenum (2 to 3%) added to improve corrosion resistance in certain environments, especially those that would tend to cause pitting due to the presence of chlorides. Applications include deionized water.
Copper — Mainly used in clean water heating for washrooms, showers, rinse tanks and freeze protection of storage tanks.

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Description

Surface Treatments for Stainless Steel and Incoloy® Elements and Other Wetted Parts to Improve Corrosion Resistance Flanged immersion heater surfaces in contact with the material being heated can be passivated or electro-polished to improve their resistance to corrosion. Passivation removes surface contamination, usually iron, so that the optimum corrosion resistance of the stainless steel is maintained. Surface contamination would come from the small amount of steel that may be worn off a tool during the manufacturing process. Passivating is accomplished by dipping the heater in a warm solution of nitric acid. Electro-Polishing is an electrochemical process that removes surface imperfections and contaminants, enhancing the corrosion resisting ability of the stainless steels. The resultant surface is clean, smooth and bright. Many medical and food applications require this finish.

Nominal Pipe Size	Dimensional Drawing Number	KW	Model Number					Approx Weight
8 watts/in² (1.3 watts/cm²) — Typical Applications: Fuel Oils (Bunker C and Number 6) Note: 3-Phase only. Cannot be rewired for single phase.
Nominal Pipe Size	Dimensional Drawing Number	KW	120V	240V-1Ph (C*)	240V-3Ph (C*)	480V-1Ph (C*)	480V-3Ph (C*)	lb	kg
2¹⁄₂NPT 3 elements	2.2	2	—	—	CHF01100(1)	—	CHF01101(1)	37	17
2¹⁄₂NPT 3 elements	2.3	3	—	—	CHF01102(1)	—	CHF01101(1)	46	21
3"—150 lb 3 elements	3.2	2	—	—	CHF01104(1)	—	CHF01105(1)	62	28
3"—150 lb 3 elements	3.3	3	—	—	CHF01106(1)	—	CHF01107(1)	76	34
(C*) = Number of Branch Circuits per heater

Nominal Pipe Size	Model No.		Dimensional Drawing No.	KW	Approximate Weight
16 watts/in² (2.5 watts/cm²)—Typical Applications: Medium Weight Oils, Heat Transfer Oils, Liquid Paraffin Note: 3-Phase only. Cannot be rewired for single phase.
Nominal Pipe Size	240V-3Ph (C*)	480V-3Ph (C*)	Dimensional Drawing No.	KW	lb	kg
4"—150 lb 6 elements	CHF01416(1)	CHF01417(1)	4.1	3	76	34
	CHF01418(1)	CHF01419(1)	4.1	4	78	35
	CHF01420(1)	CHF01421(1)	4.1	5	79	36
	CHF01422(1)	CHF01423(1)	4.2	6	91	41
	CHF01424(1)	CHF01425(1)	4.2	8	94	43
	CHF01426(1)	CHF01427(1)	4.3	10	117	53
	CHF01428(1)	CHF01429(1)	4.3	12	120	54
5"—150 lb 6 elements	CHF01430(1)	CHF01431(1)	5.1	8	117	53
	CHF01432(1)	CHF01433(1)	5.2	10	128	58
	CHF01434(1)	CHF01435(1)	5.3	12	146	66
5"—150 lb 9 elements	CHF01436(1)	CHF01437(1)	5.1	12	123	56
	CHF01438(1)	CHF01439(1)	5.2	15	135	61
	CHF01440(1)	CHF01441(1)	5.3	18	154	70
6"—150 lb 12 elements	CHF01442(1)	CHF01443(1)	6.1	6	124	56
	CHF01444(1)	CHF01445(1)	6.1	8	127	58
	CHF01446(1)	CHF01447(1)	6.1	10	129	59
	CHF01448(1)	CHF01449(1)	6.2	12	152	69
	CHF01450(1)	CHF01451(1)	6.2	16	157	71
	CHF01452(1)	CHF01453(1)	6.3	20	197	89
	CHF01454(2)	CHF01455(1)	6.3	24	202	92
6"—150 lb 15 elements	CHF01456(1)	CHF01457(1)	6.1	7.5	126	57
	CHF01458(1)	CHF01459(1)	6.1	10	130	59
	CHF01460(1)	CHF01461(1)	6.1	12.5	133	60
	CHF01462(1)	CHF01463(1)	6.2	15	156	71
	CHF01464(1)	CHF01465(1)	6.2	20	163	74
	CHF01466(5)	CHF01467(1)	6.3	25	164	74
	CHF01468(5)	CHF01469(1)	6.3	30	211	96
8"—150 lb 18 elements	CHF01470(1)	CHF01471(1)	8.2	17	234	106
	CHF01472(2)	CHF01473(1)	8.3	25	264	120
	CHF01474(2)	CHF01475(1)	8.4	33	293	133
	CHF01476(3)	CHF01477(2)	8.5	42	327	148
	—	CHF01478(2)	8.6	50	360	163
	—	CHF01479(2)	8.7	58	395	179
	—	CHF01480(2)	8.7	67	405	184
8"—150 lb 24 elements	CHF01481(2)	CHF01482(1)	8.2	23	243	110
	CHF01483(2)	CHF01484(1)	8.3	33	277	126
	CHF01485(4)	CHF01486(2)	8.4	44	308	140
	CHF01487(4)	CHF01488(2)	8.5	56	346	157
	—	CHF01489(2)	8.6	67	382	173
	—	CHF01490(2)	8.7	77	420	191
	—	CHF01491(4)	8.7	89	433	196
10"—150 lb 27 elements	—	CHF01492(3)	10.3	75	539	244
10"—150 lb 27 elements	—	CHF01493(3)	10.5	87	615	279
12"—150 lb 36 elements	—	CHF01494(3)	12.3	100	694	315
12"—150 lb 36 elements	—	CHF01495(3)	12.5	117	782	355
14"—150 lb 45 elements	—	CHF01496(3)	14.2	105	771	350
14"—150 lb 45 elements	—	CHF01497(5)	14.3	125	828	376
Ordering Example: CHF01449, 12 KW, 480 Vac, 3 phase circulation heater. (C*) = Number of Branch Circuits per heater