Page 29 - Parker - Energy Products Division - Multitube (Instrument and Heat Trace Tubing Products)

Chemical Processing and Refineries
Catalog Number 4200-M-2
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Part Process Wall Nominal Product Minimum Watt Density Circuit Length Ft Performance At Various
Number Tube O.D. Thickness Product Weight Bend per foot / @ 50°F Start-up Ambient Conditions
(in.) (in.) O.D. (lbs./ft.) Radius Voltage / Breaker (amps)
(in.) (in.)
Watt/Ft At -40°F At 80°F
(-40°C) will (23.9°C) will
lbs maintain at maintain at
P
least** least**
SH- Single Process Tube - Maximum Internal Exposure Temperature, Power off 400°F (204°C)

SH512-B0435A 1/4 0.035 1.21 0.33 7 5 watt / 120V 360ft / 30A 40°F (4°C) 145°F (63°C)
SH512-B0635A 3/8 0.035 1.31 0.39 8 5 watt / 120V 360ft / 30A 40°F (4°C) 140°F (60°C)
SH512-B0835A 1/2 0.035 1.41 0.46 8 5 watt / 120V 360ft / 30A 40°F (4°C) 135°F (57°C)
SH812-B1249A 3/4 0.049 1.64 0.68 10 8 watt / 120V 285ft / 30A 40°F (4°C) 150°F (65°C)
SH- Dual Process Tube - Maximum Internal Exposure Temperature, Power off 400°F (204°C)

SH512-B0435B (2) 1/4 0.035 1.28 0.42 8 5 watt / 120V 360ft / 30A 40°F (4°C) 145°F (63°C)
SH512-B0635B (2) 3/8 0.035 1.43 0.54 9 5 watt / 120V 360ft / 30A 40°F (4°C) 135°F (57°C)
SH812-B0835B (2) 1/2 0.035 1.61 0.66 10 8 watt / 120V 285ft / 30A 40°F (4°C) 150°F (65°C)
SH812-B1239B (2) 3/4 0.049 1.99 1.11 12 8 watt / 120V 285ft / 30A 40°F (4°C) 140°F (60°C)
*Many other alloys available, as well as seamless stainless steel tubing. Product is also available in 208, 240 and 277V
** In some cases, without use of a controller, this design could maintain higher temperatures at the ambient temperature shown.
**The temperature maintained is based upon the watt density heater shown, higher watt density heaters could be used to achieve a greater
maintenance temperatures.
FM – Factory Mutual CSA – Canadian Standards Association Electrical Specifications:
General Purpose - Ordinary Locations CSA Certified for ordinary locations Operating Voltage: 120 V or 240V
Hazardous Locations, when installed with Parflex for certified hazardous locations contact Parflex Bus Wire Voltage Rating: 600 Volts
accessories. Bus Wire Size: 16 AWG
• Class I, Div. 2, Groups B, C and D (gases, vapors) ATEX - Certified Cables & accessories
• Class II, Div.2, Group F, G (Combustible dust) available
• Class III, Div.2, (ignitable fibers and filings)
T-Temperature Ratings
• 3, 5 and 8 watt rated T3 temperature class
• 10, 15 and 20 watt rated T2D temperature class

Maximum Circuit Length (ft) at Start-up ˚F

High-Temp 50°F (10°C) Circuit 0°F (-18°C) Circuit -20°F (-29°C) Circuit
Cable Rating Length In Feet Length In Feet Length In Feet

Circuit Breaker Size
15 20 30 40 15 20 30 40 15 20 30 40
(Amps)
5 watt / 120V 180 240 360 375 165 220 330 375 155 210 310 375
5 watt / 240V 360 480 720 750 325 430 645 750 310 415 620 750

10 watt / 120V 95 125 190 250 90 110 175 250 85 100 170 245
10 watt / 240V 190 255 385 490 165 225 345 490 155 215 330 470

15 watt / 120V 70 95 145 190 65 85 125 165 60 80 120 150
15 watt / 240V 145 190 290 385 120 175 270 360 115 165 260 340
20 watt / 120V 60 75 115 155 50 65 105 140 45 65 100 135
20 watt / 240V 115 155 230 305 100 135 200 270 90 130 195 255

*Maximum Temperatures are Subject to Ambient Conditions (See Heater Selection Chart)

Parker Hannifin Corporation
25 26 Energy Products Division