Chromalox Big Red Book

Immersion

• BLCK-MH — Circular Blades • BLCS — Straight Blades • Steel Sheath Elements • Low Watt Density (12 and 18 W/In 2 ) • 7.5 - 24 kW • 240 and 480 Volt, 1 & 3 Phase • Moisture Resistant Terminal Enclosure • 12 Ft. Riser (Other Lengths Available) BLCK-MH & BLCS Deep Tank Blade Heaters Features (BLCK-MH) • Moisture Resistant Terminal Enclosure • Integral DPST Thermostat 60 - 250°F rated 30 Amp at 120 - 277 Volt with 180" capillary length • 4 - 12 Circular Heating Elements permit entry into tanks with 16-1/2" diameter mini- mum opening • Split Riser adapts to customer's manhole cover • 6" threaded ends on each riser end • Two 1-1/4" threaded Malleable Iron Floor Flanges • Threaded Malleable Iron Union • Thermostat Packing Gland Fittings • Manhole Cover, 3/8" Thermostat Protective Well and 3/8" Threaded Couplings (by customer) • For manhole construction, recommend compression fittings shown on page H-189. CCF-25D or 25E. Features (BLCS) • Moisture Resistant Terminal Enclosure • 4 - 12 Straight Heating Elements requires manhole access that will accept 34" blade length

BLCK-MH — Dimensions (Inches) 11-1/2 3

3/4" Conduit Opening

4-1/6

1-1/4" Pipe Coupling

12

Manhole Cover (by customer) 3/8" Stl. Pipe (by customer)

1-1/4" Stl. Pipe Riser 1-1/4" Round Gasket

Protective Thermowell

Stl. Construction (4 - 12 blades)

144

C Heated

16-1/2 (min. opening)

BLCS — Dimensions (Inches)

3-1/8

5

1" Dia. Mtg. Hole

2-1/8

1-1/4" Conduit Hub

Stl. Construction (4 - 12 blades) Suspension Bracket

144

C Heated

34

Specifications and Ordering Information

Circular Blades

Straight Blades

DIM C (In.)

Wt. (Lbs.)

kW Volts Phase

Model

PCN

Model

PCN

Stock

Regular Oil — 18 W/In 2 12 12 12 12 240 240 480 480 1 3 1 3 8-7/8 8-7/8 8-7/8 8-7/8

BLCK-MH618 BLCK-MH618 BLCK-MH618 BLCK-MH618 BLCK-MH824 BLCK-MH824 BLCK-MH824 BLCK-MH824 BLCK-MH1030 BLCK-MH1030 BLCK-MH1030 BLCK-MH1236 BLCK-MH1236 BLCK-MH1236 BLCK-MH618 BLCK-MH618 BLCK-MH618 BLCK-MH618 BLCK-MH824 BLCK-MH824 BLCK-MH824 BLCK-MH824 BLCK-MH1030 BLCK-MH1030 BLCK-MH1030 BLCK-MH1030 BLCK-MH1236 BLCK-MH1236 BLCK-MH1236 BLCK-MH1236

192903 192911 192920 192938 192946 192954 192962 192970 192989 192997 193009 193017 193025 193033 258925 258933 258941 258950 258968 258976 258984 258992 259004 097404 259020 259039 259047 259055 259063 259071

BLCS-618 BLCS-618 BLCS-618 BLCS-618 BLCS-824 BLCS-824 BLCS-824 BLCS-824 BLCS-1030 BLCS-1030 BLCS-1030 BLCS-1236 BLCS-1236 BLCS-1236 BLCS-618 BLCS-618 BLCS-618 BLCS-618 BLCS-824 BLCS-824 BLCS-824 BLCS-824 BLCS-1030 BLCS-1030 BLCS-1030 BLCS-1030 BLCS-1236 BLCS-1236 BLCS-1236 BLCS-1236

193068 193076 193084 193092 193105 193113 193121 193130 193148 193156 193164 193172 193180 193199 259100 259119 259127 259135 259143 259151 259160 259178 259186 259194 259207 259215 259223 259231 259240 259258

NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS

42 42 42 42 55 55 55 55 75 75 75 90 90 90 42 42 42 42 55 55 55 55 75 75 75 75 90 90 90 90

16 16 16 16 20 20 20 24 24 24

240 240 480 480 240 480 480 240 480 480 240 240 480 480 240 240 480 480 240 240 480 480 240 240 480 480

1 3 1 3 3 1 3 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3

12 12 12 12

15-1/8 15-1/8 15-1/8 18-1/4 18-1/4 18-1/4

Fuel Oil — 12 W/In 2 7.5 7.5 7.5 7.5

8-7/8 8-7/8 8-7/8 8-7/8

10 10 10 10

12 12 12 12

12.5 12.5 12.5 12.5

15-1/8 15-1/8 15-1/8 15-1/8 18-1/4 18-1/4 18-1/4 18-1/4

15 15 15 15

Stock Status: S = stock NS = non-stock To Order —Specify model, PCN, kW, volts, phase and quantity.

B-138