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Light and Medium Weight Oil Applications
NWHO and NWHOB Series
PLACE ORDER - 3 - 10" ANSI Blind Flange Design
- 3 - 10" Carbon Steel Pipe Body, 150 Lb Construction
- 3 - 120 kW
- 240 and 480V, 1 & 3 Phase
- General Purpose, Moisture Resistant/Explosion Resistant, Explosion Resistant or Moisture Resistant Terminal Enclosure
- 0.475" Dia. Steel Sheath Elements (20 - 23 W/In 2 )
- With & Without Side Mounted AR Thermostat (200 - 550°F)
- UL, CSA and Other Third Party Approval, Listing or Certification Available
Description
Description
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.) |
| A | 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 |
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