Heat Trace Cable Maximum Length
This aht cable is cut to length in the field and offers a flexible aluminum jacketed design.
Heat trace cable maximum length. Minimum ambient temperature ta. Pvc cables and pvc fixing tape must not be used on pvc pipes. Click on a cell in the bottom row of the table above to choose a style of cable. A length with a denotes that the power delivered by the cable is more than enough to bring the pipe to your chosen setpoint.
Srhc lt 3w 120v w monitor wire braid an d jacketself regulating heater cable wattage. The heat trace tape should be used in conjunction with a thermostat. Can i use heat trace on plastic pipes. While a temperature controller is recommended for all heat tracing applications in this case it should be considered essential.
Do i have to allow extra heat for pumps and valves. If this length exceeds the maximum circuit length of the cable multiple runs will be needed. 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. 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.
Then fol low the steps below to determine the heat loss. Sum the amount of cable needed for each type of roof feature to determine the total cable length. When using heat trace on plastic pipes ensure that the cable does not exceed 12 watts per metre and is fitted with earth protection. Collect the following data for each pipe for tank applications go to page 6.
Although sr cable is cut to length the amount of cable needed can be lengthened or shortened by increasing or decreasing the loop height. The mi cable is made to order and cannot be cut to length in the field. The first step in designing a heat trace system is to determine the heat loss from each pipe or tank to be traced. Maintenance temperature t m.
150 f 65 c max intermittent exposure.