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Product Groups
Circulation Heaters for Fuel Oils
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
CHF1_Series
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  • 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

Description

Surface Treatments for Stainless Steel and Incoloy® Elements and Other Wetted Parts to Improve Corrosion ResistanceFlanged immersion heater surfaces in contact with the material being heated can be passivated or electro-polished to improvetheir resistance to corrosion.Passivation removes surface contamination, usually iron, so that the optimum corrosion resistance of the stainless steelis maintained. Surface contamination would come from the small amount of steel that may be worn off a tool during themanufacturing 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 corrosionresisting ability of the stainless steels. The resultant surface is clean, smooth and bright. Many medical and food applicationsrequire this finish.

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 Model Number Approx Weight
120V 240V-1Ph (C*) 240V-3Ph (C*) 480V-1Ph (C*) 480V-3Ph (C*) lb kg
212 NPT 3 elements 2.2 2 CHF01100(1) CHF01101(1) 37 17
2.3 3 CHF01102(1) CHF01101(1) 46 21
3"—150 lb 3 elements 3.2 2 CHF01104(1) CHF01105(1) 62 28
3.3 3 CHF01106(1) CHF01107(1) 76 34
(C*) = Number of Branch Circuits per heater
Circulation Heaters
Nominal Pipe Size Model No. Dimensional Drawing No. KW Approximate Weight
240V-3Ph (C*) 480V-3Ph (C*) lb kg
4"—150 lb 6 elements CHF01108(1) CHF01109(1) 4.3 5 117 53
CHF01110(1) CHF01111(1) 4.3 6 120 54
CHF01112(1) CHF01113(1) 4.4 8 147 67
CHF01114(1) CHF01115(1) 4.4 10 151 68
5"—150 lb 6 elements CHF01116(1) CHF01117(1) 5.2 5 128 58
CHF01118(1) CHF01119(1) 5.3 6 146 66
CHF01120(1) CHF01121(1) 5.4 8 172 78
CHF01122(1) CHF01123(1) 5.5 10 192 87
5"—150 lb 9 elements CHF01124(1) CHF01125(1) 5.2 7.5 135 61
CHF01126(1) CHF01127(1) 5.3 9 154 70
CHF01128(1) CHF01129(1) 5.4 12 183 83
CHF01130(1) CHF01131(1) 5.5 15 205 93
6"—150 lb 12 elements CHF01132(1) CHF01133(1) 6.2 8 157 71
CHF01134(1) CHF01135(1) 6.3 10 197 80
CHF01136(1) CHF01137(1) 6.3 12 202 92
CHF01138(1) CHF01139(1) 6.4 16.5 249 113
CHF01140(1) CHF01141(1) 6.4 20 257 117
6"—150 lb 15 elements CHF01142(1) CHF01143(1) 6.2 10 163 74
CHF01144(1) CHF01145(1) 6.3 12.5 204 93
CHF01146(1) CHF01147(1) 6.3 15 211 96
CHF01148(5) CHF01149(1) 6.4 21 260 118
CHF01150(5) CHF01151(1) 6.4 25 273 124
8"—150 lb 18 elements CHF01152(1) CHF01153(1) 8.3 12.5 272 123
CHF01154(1) CHF01155(1) 8.4 16.5 300 136
CHF01156(1) CHF01157(1) 8.5 20 334 151
CHF01158(2) CHF01159(1) 8.6 24 367 166
CHF01160(2) CHF01161(1) 8.7 27 402 182
8"—150 lb 24 elements CHF01162(1) CHF01163(1) 8.3 17 287 130
CHF01164(2) CHF01165(1) 8.4 22 318 144
CHF01166(2) CHF01167(1) 8.5 27 356 161
CHF01168(2) CHF01169(1) 8.6 32 386 175
CHF01170(2) CHF01171(1) 8.7 36 428 194
10"—150 lb 27 elements CHF01172(3) CHF01173(1) 10.3 30 537 244
CHF01174(3) CHF01175(1) 10.4 35 580 263
CHF01176(3) CHF01177(1) 10.5 40 623 283
12"—150 lb 36 elements CHF01178(3) CHF01179(2) 12.4 47 751 341
CHF01180(3) CHF01181(2) 12.5 54 793 360
14"—150 lb 45 elements CHF01182(3) CHF01183(3) 14.4 60 885 401
CHF01184(5) CHF01185(3) 14.5 67 941 427
Ordering Examples: CHF01106, 3 KW, 240 Vac, 3 phase circulation heater. CHF01141, 20 KW, 480 Vac, 3 phase circulation heater.
(C*) = Number of Branch Circuits per heater
Note: Nominal pipe size 203 mm (8") and larger are 7 watts/in2 (1.1 watts/cm2)
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