Chromalox Big Red Book

Heating Cable

2200 Series Pre-Insulated Tubing (cont’d.)

Heat Loss vs. Ambient for Various Steam Pressures

60

50

232psig

150psig

40

120psig

60psig

30psig

30

15psig

20

HEAT LOSS - BTU/HR-FT.

10

0

-40 -20 0 20 40 60 80 100

AMBIENT TEMP (˚F)

Heat Loss Multipliers 2200

2200 2200 2200

1/4"

3/8"

1/2"

3/4"

1.0

1.3

1.5

1.9

Product Specifications

Working Pressure @400˚F

Tube O.D. 3/8” 1/2” 1/2” 3/4” 1/4” 3/8” 1/2” 1/2” 1/4” 3/8” 1/2”

Standard Wall Thickness*** Material (1)

Nom. Heat Loss @ 400˚F

Nom. Bundle O.D.

Nom. Wt. Lbs/ft.

Min. Bend Radius

ASTM

.032” .035” .049” .049” .035” .035” .035” .049” .040” .062” .062”

#122 Copper B-68 B-75 450 psi 50 BTU/hr/ft #122 Copper B-68 B-75 360 psi 59 BTU/hr/ft #122 Copper B-68 B-75 530 psi 59 BTU/hr/ft #122 Copper B-68 B-75 340 psi 79 BTU/hr/ft

1.05” 1.17” 1.17” 1.35” 0.92” 1.05” 1.17” 1.17” 0.92” 1.05” 1.17”

0.4 0.4 0.5 0.7 0.3 0.4 0.4 0.5 0.2 0.3 0.3

10” 12” 12” 14” 10” 12” 12” 9”

316-S/S WLD A-269 316-S/S WLD A-269 316-S/S WLD A-269 316-S/S WLD A-269

5170 psi** 42 BTU/hr/ft 3310 psi** 50 BTU/hr/ft 2430 psi** 59 BTU/hr/ft 2800 psi** 59 BTU/hr/ft 30 psi** 42 BTU/hr/ft 40 psi** 50 BTU/hr/ft 30 psi** 59 BTU/hr/ft

PFA PFA PFA

D-6867 D-6867 D-6867

9”

10” 12”

NOTES: Nominal jacket surface temperature 104˚F (60˚C) @ 80˚F (26˚C) ambient and 400˚F tube operating temperature

Metric available 6.8 and 10 mm O.D. x 1 mm WT Standard ** Values given are for welded; seamless slightly higher ***Heavier wall thickness available upon request (1) Other tube materials available Standard Jacket is Black, 105˚C lead free, LT-FRPVC Alternate Jacket Materials – 125˚C FR-TPE, FR Urethane

G-102