Heat Trace Cable Maximum Length

Sum the amount of cable needed for each type of roof feature to determine the total cable length. 150 f 65 c max intermittent exposure. Collect the following data for each pipe for tank applications go to page 6.

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Heat trace cable maximum length.

While a temperature controller is recommended for all heat tracing applications in this case it should be considered essential. Click on a cell in the bottom row of the table above to choose a style of cable. If this length exceeds the maximum circuit length of the cable multiple runs will be needed. Srhc lt 3w 120v w monitor wire braid an d jacketself regulating heater cable wattage.

Then fol low the steps below to determine the heat loss. Although sr cable is cut to length the amount of cable needed can be lengthened or shortened by increasing or decreasing the loop height. Maintenance temperature t m. Bartec the premier heat trace manufacturer in europe who is now entering the us market also offers a medium temperature aht cable that is capable of reaching 797f.

Do i have to allow extra heat for pumps and valves. Pvc cables and pvc fixing tape must not be used on pvc pipes. Can i use heat trace on plastic pipes. When using heat trace on plastic pipes ensure that the cable does not exceed 12 watts per metre and is fitted with earth protection.

Mineral insulated resistance heating cable was introduced in the 1950s and parallel type heating cables that could be cut to length in the field became. A length with a denotes that the power delivered by the cable is more than enough to bring the pipe to your chosen setpoint. The mi cable is made to order and cannot be cut to length in the field. This aht cable is cut to length in the field and offers a flexible aluminum jacketed design.

Minimum ambient temperature ta. The first step in designing a heat trace system is to determine the heat loss from each pipe or tank to be traced. The heat trace tape should be used in conjunction with a thermostat. Electric trace heating began in the 1930s but initially no dedicated equipment was available.

Mineral insulated cables ran at high current densities to produce heat and control equipment was adapted from other applications.