Chromalox Big Red Book

Immersion

Chromalox ® Specification Data Sheet Screw Plug Immersion Heaters Form PD309 Customer Name: Reference No.:

Date:

7. Terminal Seal

6. “B” Dimension

4, 5. Heating Element

2, 3. Screw Plug

8. Terminal Box

9. Thermostat

Note — Drawing Is For Illustration Purposes Only. Screw plug size, number of elements, thermowell option, terminal box configuration, etc. will vary according to options selected.

Operating Conditions 1. APPLICATION (Describe in Detail) :

6. HEATING ELEMENT IMMERSION LENGTH: (“B”) Dimension

Inches:

o None

o Silicone Fluid (500°F)

7. TERMINAL SEALS:

o Silicone Resin (450°F) o RTV (450°F) o Epoxy (250°F) o Hermetic (Maximum 1000°F Sheath Temperature) o Other (Specify) 8. TERMINAL BOX CONSTRUCTION: o General Purpose o Moisture Resistant o Explosion Resistant/Moisture Resistant 9. INTEGRAL THERMOSTAT: o None o 1" and 1-1/4" Size, SPST Contacts o 0-127°F o 60-180°F o 60-240°F o 2" and 2-1/2" Size, DPST Contacts o 0-100°F o 60-250°F o 200-550°F 10. ELECTRICAL CODES: o National Electrical Code (Standard) o U.L. Listed

2. MATERIAL HEATED (Specify) : 3. OPERATING TEMPERATURE: 4. OPERATING PRESSURE:

°F

psig.

5. o Indoor

o Outdoor

6. HAZARDOUS AREA ENVIRONMENT: Class Div.

Group

7. AMBIENT TEMPERATURE: °F Heater Specifications (Check All That Apply) 1. RATING: Volts Phase 2. SCREW PLUG SIZE (In., NPT)/NUMBER OF HEATING ELEMENTS: o 1"/1 o 1-1/4"/1

Kilowatts

o C.S.A. Certified o Other (Specify) 11. OTHER SPECIAL FEATURES:

o 1-1/4"/2 o 2-1/2"/3

o 2"/1

o 2"/2

o 2"/3

o Carbon Steel

o Brass

3. SCREW PLUG MATERIAL:

a.) o Temperature Limit Stop on Thermostat Set at °F b.) o Overheat Thermocouple Welded to Element Sheath Type o J or o K c.) o Other (Specify)

o 304 Stainless Steel

o 316 Stainless Steel

o Other (Specify) 4. HEATING ELEMENT SHEATH MATERIAL: o Steel o Copper o Other (Specify) 5. HEATING ELEMENT WATT DENSITY: o 6 W/In 2 o 15 W/In 2 o 20 W/In 2 o 23-26 W/In 2 o 40-50 W/In 2 o 51-60 W/In 2 o 61-85 W/In 2 o Other (Specify) o 316 Stainless Steel o INCOLOY ®

o 304 Stainless Steel

12. MODEL NUMBER:

B-148