Does heat trace need to be insulated?
If you can see the pipe at any point it MUST be insulated. Wind-chill and extreme cold ambient temperatures are the main factors that lead to heat loss, causing your pipe to freeze even when protected by heat trace. If the pipe is exposed because of rock, insulate it.
How do you make steam tracing piping?
- Step 1: Establish Design Parameters.
- Step 2: Select the Proper Thermon Steam Tracing Method.
- Step 3: Identify Base Maintain Temperature.
- Step 4: Apply Any Adjustment Factors.
- Step 5: Determine Steam Tracing Circuit Lengths.
- Step 6: Choose Options/Accessories.
- Step 1: Establish Design Parameters.
What is the purpose of steam tracing in piping?
Steam tracing is used for the freeze protection of pipelines. It is used as an alternative to electrical tracing. The steam consumption necessary to enable this freeze protection is dependent on the following: Contact between the tracer line and product line.
What is heat trace insulation?
Heat tracing, also known as trace heating, offers a solution to controlling pipe temperatures. The system involves running an electric heating element along the length of a pipe, often coupled with insulation, to facilitate even heating.
Can heat tape be covered with insulation?
* To avoid overheating, don’t cover heat tapes with insulation, even though some manufacturers may permit it. If you do add insulation according to manufacturers’ instructions, use a nonflammable type, such as fiberglass, not foam or vinyl insulation that could catch fire from a failing heat tape.
What kind of insulation do you use with heat tape?
If you do add insulation, only use fiberglass or another non-flammable material. Do not use foam or vinyl insulation as they could catch fire easier. Do not wrap heat tape over itself even if some manufacturers allow it. Never use metal to secure heat tape to the pipe.
What is contro trace?
ControTrace® bolt-on heating elements have been the preferred steam tracing solutions for heating pipe, tanks, and vessels since 1980. These thermal solutions are a cost-effective alternative to fully jacketed piping and, in comparison to steam tracing, offer greater heating capacities and reliability.
How do I install steam tracing?
Tracers should be installed on the bottom of the process pipe. Heat rises, and by installing the tracer on the bottom of the pipe, the plant will achieve greater efficiency. 5. The correct support will prevent sagging on the steam tracer line and ensure the tracer line is in contact with the process pipe.
How do you install a heat trace on a pipe?
Begin attaching the heat tracing cable to the pipe on the lower half of the pipe at a 45° angle (looking at the pipe straight on, attach a single cable at 4 o’clock and if using an additional cable, at 8 o’clock). Attach the cable using heat or fiberglass tape every 6” to 1′ back toward the power source.
How do heat tracers work?
Current heat trace technology utilizes a self-regulating polymer that controls the wattage of the element. When the ambient temperature drops, the polymer creates conductive pathways that allow current to flow and heat to be produced.
Why is insulation important for steam tracing?
Steam tracing is a prime example of why it is important to have proper insulation. A small area of the tracing tube makes contact with the process pipe, while a large area is exposed to the atmosphere. For this reason, controlling the temperature of the tracing system becomes difficult without proper insulation.
What determines the number of steam tracers in an insulated pipe?
The surrounding temperature and the insulation efficiency also have influence. Since the heat moves up steam tracers must be stripped to the lower part of the process pipes. 1/2 inch (15 mm) tracing pipes is quite common. For normal insulated pipes in normal surrounding conditions the table below can be used to appropriate the numbers of tracers.
What is the size of a steam tracing pipe?
1 inch = 25.4 mm Example – Steam Tracing of a Process Line In a 4 inch transport system for vegetable oil with solidification temperature at 40 oC (104 oF), two 1/2 inches steam tracing pipes should be appropriate.
What constitutes an insulation-Management Program for steam lines?
The simple answer is everything! Insulating the steam lines is not sufficient to constitute an insulation-management program. The steam/condensate components include steam/condensate distribution lines, heat-transfer components, valves, condensate tanks, deaerators, flash tanks, and other items. Reasons to Adopt a Proactive Insulation Program