Light and Medium Weight Oil Applications |
| NWHO and NWHOB Series |
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Light and Medium Weight Oil Circulation Heater
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3 - 10" ANSI Blind Flange Design
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3 - 10" Carbon Steel Pipe Body, 150 Lb Construction
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3 - 120 kW
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240 and 480V, 1 & 3 Phase
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General Purpose, Moisture Resistant/Explosion Resistant, Explosion Resistant or Moisture Resistant Terminal Enclosure
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0.475" Dia. Steel Sheath Elements (20 - 23 W/In 2 )
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With & Without Side Mounted AR Thermostat (200 - 550°F)
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UL, CSA and Other Third Party Approval, Listing or Certification Available
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View related products - Circulation Heaters
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APPLICATIONS
Light and Medium Weight Oil:
Temperature maintenance and heating of heat transfer oils. Improve flow ability of medium weight oils.
FEATURES
Terminal Enclosure:
E1 General Purpose is standard. E2 Moisture Resistant/Explosion Resistant, E3 Explosion Resistant or E4 Moisture Resistant Enclosures available.
Elements:
0.475" diameter steel sheath elements.
Flange:
3 - 10" ANSI B-16.5 Blind flange with 1 /2 " thermowell for thermostat bulb and a 1 /8 " NPT threaded opening for a thermocouple or RTD.
Vessel:
Pipe body and nozzles are ASTM A53B carbon steel pipe. The end disk is ASTM A516 Grade 70 carbon steel plate. Provided with thermal insulation and painted sheet metal jacket.
Wiring:
Convenient field wiring terminals are provided for easy installation.
Controls:
Series 3 and 6 stock and assembly stock heaters come equipped with side mounted thermostat. Series 18 and 27 are furnished without thermostat..
| kW |
Volts |
Ckt &
Phase |
Dimensions (In.) |
Model No. |
Wt.
(Lbs.) |
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B |
C |
Series 3 — 3 inch, 150 lb carbon steel vessel — 3 steel elements (23 W/In2) with side
mounted thermostat — 1" NPT pipe inlet and outlet |
| 3 | 240 | 1-1 | 32 15/16 | 22 1/2 | 16 1/2 | NWHO-03-003P-E1/240 | 70 |
| 3 | 240 | 1-3 | 32 15/16 | 22 1/2 | 16 1/2 | NWHO-03-003P-E1/240/3P | 70 |
| 3 | 480 | 1-1 | 32 15/16 | 22 1/2 | 16 1/2 | NWHO-03-003P-E1/480 | 70 |
| 3 | 480 | 1-3 | 32 15/16 | 22 1/2 | 16 1/2 | NWHO-03-003P-E1/480/3P | 70 |
| 4.5 | 240 | 1-1 | 32 15/16 | 22 1/2 | 16 1/2 | NWHO-03-04P5-E1/240 | 70 |
| 4.5 | 240 | 1-3 | 32 15/16 | 22 1/2 | 16 1/2 | NWHO-03-04P5-E1/240/3P | 70 |
| 4.5 | 480 | 1-1 | 32 15/16 | 22 1/2 | 16 1/2 | NWHO-03-04P5-E1/480 | 70 |
| 4.5 | 480 | 1-3 | 32 15/16 | 22 1/2 | 16 1/2 | NWHO-03-04P5-E1/480/3P | 70 |
| 6 | 240 | 1-1 | 42 15/16 | 32 1/2 | 26 1/2 | NWHO-03-006P-E1/240 | 80 |
| 6 | 240 | 1-3 | 42 15/16 | 32 1/2 | 26 1/2 | NWHO-03-006P-E1/240/3P | 80 |
| 6 | 480 | 1-1 | 42 15/16 | 32 1/2 | 26 1/2 | NWHO-03-006P-E1/480 | 80 |
| 6 | 480 | 1-3 | 42 15/16 | 32 1/2 | 26 1/2 | NWHO-03-006P-E1/480/3P | 80 |
| 7.5 | 480 | 1-1 | 55 7/16 | 45 | 39 | NWHO-03-07P5-E1/480 | 94 |
| 7.5 | 480 | 1-3 | 55 7/16 | 45 | 39 | NWHO-03-07P5-E1/480/3P | 94 |
| 9 | 240 | 1-1 | 55 7/16 | 45 | 39 | NWHO-03-009P-E1/240 | 94 |
| 9 | 240 | 1-3 | 55 7/16 | 45 | 39 | NWHO-03-009P-E1/240/3P | 94 |
| 9 | 480 | 1-1 | 55 7/16 | 45 | 39 | NWHO-03-009P-E1/480 | 94 |
| 9 | 480 | 1-3 | 55 7/16 | 45 | 39 | NWHO-03-009P-E1/480/3P | 94 |
Series 06 — 5 inch, 150 lb carbon steel vessel — 6 steel elements (23 W/In2)
with side mounted thermostat — 2" NPT pipe inlet and outlet |
| 12 | 240 | 1-3 | 41 3/4 | 30 | 11 3/8 | NWHO-06-012P-E1/240 | 140 |
| 12 | 480 | 1-3 | 41 3/4 | 30 | 11 3/8 | NWHO-06-012P-E1/480 | 140 |
| 15 | 240 | 1-3 | 48 3/4 | 37 | 14 1/8 | NWHO-06-015P-E1/240 | 155 |
| 15 | 480 | 1-3 | 48 3/4 | 37 | 14 1/8 | NWHO-06-015P-E1/480 | 155 |
| 20 | 240 | 2-3 | 60 1/4 | 48 1/2 | 20 5/8 | NWHO-06-020P-E1/240/2C | 176 |
| 20 | 480 | 1-3 | 60 1/4 | 48 1/2 | 20 5/8 | NWHO-06-020P-E1/480 | 176 |
| 25 | 480 | 2-3 | 73 5/8 | 61 7/8 | 27 5/16 | NWHO-06-025P-E1/480/2C | 212 |
| 25 | 480 | 1-3 | 73 5/8 | 61 7/8 | 27 5/16 | NWHO-06-025P-E1/480 | 212 |
| 30 | 480 | 2-3 | 86 5/8 | 74 7/8 | 33 7/8 | NWHO-06-030P-E1/480/2C | 240 |
| 30 | 480 | 1-3 | 86 5/8 | 74 7/8 | 33 7/8 | NWHO-06-030P-E1/480 | 240 |
Series 18 — 8 inch, 150 lb carbon steel vessel — 18 steel elements (20 W/In2) —
2-1/2" NPT - pipe inlet and outlet |
| 30 | 240 | 3-3 | 53 1/4 | 32 11/16 | 29 3/16 | NWHO-18-030P-E1/240 | 360 |
| 30 | 480 | 3-3 | 53 1/4 | 32 11/16 | 29 3/16 | NWHO-18-030P-E1/480 | 360 |
| 40 | 240 | 3-3 | 60 1/4 | 39 11/16 | 36 3/16 | NWHO-18-040P-E1/240 | 436 |
| 40 | 480 | 3-3 | 60 1/4 | 39 11/16 | 36 3/16 | NWHO-18-040P-E1/480 | 436 |
| 50 | 240 | 3-3 | 67 7/8 | 47 5/16 | 43 13/16 | NWHO-18-050P-E1/240 | 500 |
| 50 | 480 | 3-3 | 67 7/8 | 47 5/16 | 43 13/16 | NWHO-18-050P-E1/480 | 500 |
| 60 | 240 | 3-3 | 77 3/8 | 56 13/16 | 53 5/16 | NWHO-18-060P-E1/240 | 600 |
| 60 | 480 | 3-3 | 77 3/8 | 56 13/16 | 53 5/16 | NWHO-18-060P-E1/480 | 600 |
| 70 | 240 | 3-3 | 86 3/8 | 65 13/16 | 62 5/16 | NWHO-18-070P-E1/240 | 660 |
| 70 | 480 | 3-3 | 86 3/8 | 65 13/16 | 62 5/16 | NWHO-18-070P-E1/480 | 660 |
| 80 | 240 | 3-3 | 96 3/8 | 75 13/16 | 72 5/16 | NWHO-18-080P-E1/240 | 750 |
| 80 | 480 | 3-3 | 96 3/8 | 75 13/16 | 72 5/16 | NWHO-18-080P-E1/480 | 750 |
Series 27 — 10 inch, 150 lb carbon steel vessel — 27 steel elements (20 W/In2) —
3" NPT pipe inlet and outlet |
| 80 | 240 | 3-3 | 77 9/16 | 52 | 48 1/2 | NWHO-27-080P-E1/240 | 720 |
| 80 | 480 | 3-3 | 77 9/16 | 52 | 48 1/2 | NWHO-27-080P-E1/480 | 720 |
| 90 | 240 | 3-3 | 81 9/16 | 56 | 52 1/2 | NWHO-27-090P-E1/240 | 735 |
| 90 | 480 | 3-3 | 81 9/16 | 56 | 52 1/2 | NWHO-27-090P-E1/480 | 735 |
| 100 | 480 | 3-3 | 87 9/16 | 62 | 58 1/2 | NWHO-27-100P-E1/480 | 750 |
| 120 | 480 | 3-3 | 97 9/16 | 72 | 68 1/2 | NWHO-27-120P-E1/480 | 765 |
Series 18 - 8 inch, 150 lb carbon steel vessel — 18 baffled steel elements (20 W/In2)
— 21/2" NPT pipe inlet and outlet |
| 30 | 240 | 3-3 | 53 1/4 | 32 11/16 | 29 13/16 | NWHOB-18-030P-E1/240 | 366 |
| 30 | 480 | 3-3 | 53 1/4 | 32 11/16 | 29 13/16 | NWHOB-18-030P-E1/480 | 368 |
| 40 | 240 | 3-3 | 60 1/4 | 39 11/16 | 36 13/16 | NWHOB-18-040P-E1/240 | 442 |
| 40 | 480 | 3-3 | 60 1/4 | 39 11/16 | 36 13/16 | NWHOB-18-040P-E1/480 | 442 |
| 50 | 240 | 3-3 | 67 7/8 | 47 5/16 | 43 13/16 | NWHOB-18-050P-E1/240 | 506 |
| 50 | 480 | 3-3 | 67 7/8 | 47 5/16 | 43 13/16 | NWHOB-18-050P-E1/480 | 506 |
| 60 | 240 | 3-3 | 77 3/8 | 56 13/16 | 53 5/16 | NWHOB-18-060P-E1/240 | 606 |
| 60 | 480 | 3-3 | 77 3/8 | 56 13/16 | 53 5/16 | NWHOB-18-060P-E1/480 | 606 |
| 70 | 240 | 3-3 | 86 3/8 | 65 13/16 | 62 5/16 | NWHOB-18-070P-E1/240 | 666 |
| 70 | 480 | 3-3 | 86 3/8 | 65 13/16 | 62 5/16 | NWHOB-18-070P-E1/480 | 666 |
| 80 | 240 | 3-3 | 96 3/8 | 75 13/16 | 72 5/16 | NWHOB-18-080P-E1/240 | 756 |
| 80 | 480 | 3-3 | 96 3/8 | 75 13/16 | 72 5/16 | NWHOB-18-080P-E1/480 | 756 |
Series 27 - 10 inch, 150 lb carbon steel vessel — 27 baffled steel elements (20 W/In2)
— 3" NPT pipe inlet and outlet |
| 80 | 240 | 3-3 | 77 9/16 | 52 | 48 1/2 | NWHOB-27-080P-E1/240 | 726 |
| 80 | 480 | 3-3 | 77 9/16 | 52 | 48 1/2 | NWHOB-27-080P-E1/480 | 726 |
| 90 | 240 | 3-3 | 81 9/16 | 56 | 52 1/2 | NWHOB-27-090P-E1/240 | 741 |
| 90 | 480 | 3-3 | 81 9/16 | 56 | 52 1/2 | NWHOB-27-090P-E1/480 | 741 |
| 100 | 480 | 3-3 | 87 9/16 | 62 | 58 1/2 | NWHOB-27-100P-E1/480 | 756 |
| 120 | 480 | 3-3 | 97 9/16 | 72 | 68 1/2 | NWHOB-27-120P-E1/480 | 771 |
Review the product spec sheet and table to determine valid part numbers. Use the "Part Number Builder" below to determine pricing and availability.
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† Price are shown in RMB.
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Part Number Builder |
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Option Descriptions
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(1)
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Model
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Select
NWHO for model NWHO
NWHOB for model NWHOB
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(2)
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Number of Elements
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Select
03 for 3 Elements
06 for 6 Elements
18 for 18 Elements
27 for 27 Elements
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(3)
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Wattage
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Select
003P for 3 kW
04P5 for 4.5 kW
006P for 6 kW
07P5 for 7.5 kW
009P for 9 kW
012P for 12 kW
015P for 15 kW
020P for 20 kW
025P for 25 kW
030P for 30 kW
040P for 40 kW
050P for 50 kW
060P for 60 kW
070P for 70 kW
080P for 80 kW
090P for 90 kW
100P for 100 kW
120P for 120 kW
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(4)
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Voltage
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Select
120 for 120 V
240 for 240 V
480 for 480 V
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(5)
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Power
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Select
Nothing(leave field blank) for 1 Phase Power
/3P for 3 Phase Power
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NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
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Keywords:Light and Medium Weight Oil Applications, Circulation Heater
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