Page 8 - Parker - Energy Products Division - Multitube (Instrument and Heat Trace Tubing Products)

Chemical Processing and Refineries Catalog Number 4200-M-2

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Performance Characteristics
Heat Gain/Loss Rates & R-factors at 70˚ F ambient
Tubing
Process, LN2 = Process, Liquid CO2 = Process, Steam =
Size (in.) -320˚F -70˚F 400˚F
O.D. Wall Insulation** Jacket Nominal Heat Gain R=factor, Heat Gain R=factor, Heat Loss R=factor,
Part
Thickness Thickness Product Rate, ˚F/ (BTU/ Rate, ˚F/ (BTU/ Rate, (BTU/ ˚F/ (BTU/
Number
(in.) (in.) O.D. (in.) (BTU/hr) ft hr) ft (BTU/hr) ft hr) ft hr) ft hr) ft
Q R Q R Q R

TT-10430-VN-I 1/4 .030 .36 .08 1.13 18.3 21.3 10.7 13.0 30.9 10.7
TT-10632-VN-I 3/8 .032 .36 .08 1.26 23.0 17.0 13.4 10.4 38.5 8.6
TT-10835-VN-I 1/2 .035 .36 .08 1.38 27.5 14.2 16.0 8.8 45.7 7.2
TT-20435-VN-I 1/4 .035 .36 .08 1.13 18.3 21.3 10.7 13.0 30.9 10.7
TT-20635-VN-I 3/8 .035 .36 .08 1.26 23.0 17.0 13.4 10.4 38.5 8.6
TT-20835-VN-I 1/2 .035 .36 .08 1.38 27.5 14.2 16.0 8.8 45.7 7.2
TT-10430-VN-R 1/4 .030 .72 .08 1.85 13.5 29.0 8.1 17.3 23.5 14.0
TT-10632-VN-R 3/8 .032 .72 .08 1.98 16.3 24.0 9.7 14.4 28.3 11.7
TT-10835-VN-R 1/2 .035 .72 .08 2.10 18.9 20.7 11.3 12.4 32.8 10.1
TT-20435-VN-R 1/4 .035 .72 .08 1.85 13.5 29.0 8.1 17.3 23.5 14.0
TT-20635-VN-R 3/8 .035 .72 .08 1.98 16.3 24.0 9.7 14.4 28.3 11.7
TT-20835-VN-R 1/2 .035 .72 .08 2.10 18.9 20.7 11.3 12.4 32.8 10.1
TT-10430-VN-X 1/4 .030 .96 .08 2.33 12.0 32.5 7.2 19.3 21.2 15.6
TT-10632-VN-X 3/8 .032 .96 .08 2.46 14.3 27.3 8.6 16.3 25.1 13.1
TT-10835-VN-X 1/2 .035 .96 .08 2.58 16.4 23.8 9.9 14.2 28.8 11.5
TT-20435-VN-X 1/4 .035 .96 .08 2.33 12.0 32.5 7.2 19.3 21.2 15.6
TT-20635-VN-X 3/8 .035 .96 .08 2.46 14.3 27.3 8.6 16.3 25.1 13.1
TT-20835-VN-X 1/2 .035 .96 .08 2.85 16.4 23.8 9.9 14.2 28.8 11.5

NOTE: The performance figures presented above have been calculated to be used as a guide only. Actual performance may vary with individual plant
conditions.

Parker Hannifin Corporation
5 Energy Products Division 6