Heat trace 230v type clt selfregulating heater cable. The general intent of heat tracing is either tracing for winterization andor tracing for process maintenance. Specify the electrical circuit breaker requirements based on. Heat tracing, systems comprise heating cables and ancillary items which necessarily interface with other system components such as thermal insulation and the electrical supply items which will power the system. Therefore the cable can be cut to any desired length without changing its properties. Because heat tracing is a specialized field, these services are better left to a qualified heat trace contractor. Xltrace heattracing systems carry agency approvals for the different applications shown in section 1. Separate leds indicate status of power to the tc 202a, power to the heat tracing circuits and any alarms affecting the system. Mineral insulated mi heattracing systems installed on thermally insulated metal pipes and vessels only. Boyce, in gas turbine engineering handbook fourth edition, 2012. Micro motion product drawings use your coriolis sensor and transmitter model code to access 2d and cad drawings. Steam tracing design considerations and installation. Per national electrical codes and tyco thermal controls requirements, ground.
Thats why so many count on chromalox for the right mix of application engineering, products and site services for their process temperature maintenance, freeze protection, and winterization needs. We manage the heat you needtm at tyco thermal controls by offering complete integrated service from original. The information contained in this design guide will take the reader through a stepbystep procedure2 to. Control and monitoring solutions ensure the uninterrupted performance of your system, offering standalone to fully connected solutions, to meet the needs of your application. High temperature limit switch activated may require manual reset to reenable trace heating. Skineffect electrically traced piping system installation and operation manual control operation the electrical controls for your skin effect current tracing system are designed to provide the desired control of the heating system as well as provide functional indications. Due to the risk of electrical shock, arcing and fire caused by product damage or improper usage installation or maintenance, a groundfault protection device is required for all heat tracing circuits. Electric heat tracing cable2 selfregulating, power limiting, parallel constant watt or series constant watt. Types of heat tracing systems heat tracing can be accomplished through several methods, including electricity, steam, glycol, and even hot oil. Heattracing systems can be divided into two broad classes, electric and. Ice or hydrate formation occurs due to pressure reduction of moisturebearing gases. Design the heat tracing system with the a ssumption that the carried water in the piping is not moving. Electrical heat tracing is a system incorporating electrical heating cables attached to.
This section deals with the basic principles of heat transfer. Assmann corporation of america 300 north taylor road, garrett, in 46738 usa 8883573181 or 2603573181. Each heat tracing application imposes unique demands on the designer to achieve the desired performance in a safe manner. The heattransfer compound is used to establish a broad, heatconductive contact surface, for heattransfer purposes, between the tracer tube and the surface to be heated. Architectural resources and product information for pipe heat tracing including cad drawings, specs, bim, 3d models, brochures and more, free to download. Safety in design of thermal fluid heat transfer systems. Warranty pentair thermal management standard limited war. A complete selection of heat trace cables, controls, monitors and accessories. Do the items to be heated correspond in size, position, etc. Startup time process temperatures maximum and minimum. Iec 6007930 for one ieeeiec standard for heat tracing, for hazardous locations working group members composed of 515 wg members and 7930 mt members. Design guide and installation details for selfregulating heating cable the rscc 2700 selfregulating heating cable is available with either a tinned copper or stainlesssteel overshield.
Heat tracing product training manual chromalox training chapter 1. Scope the following information refers to the installation methods, construction, maintenance requirements and recommendations for mineral insulated electric heat tracing cables, when fitted to pipelines and associated equipment. Thermon provides highly engineered thermal solutions, for process industries, including energy, chemical processing and power generation. Viscosity at any ambient temperature, is so high that an inadequate flow rate is obtained with the pressure available for starting. Spiral tracing should be limited to vertical piping using multiple tracers on horizontal lines which require more heat. By 1995, improvements in electric heating technology increased the electric share from 30 to 40 percent, but steam tracing is still the most common system.
Is the trace heating system most recent documentation working drawings, designs. These symbols can represent actuators, sensors, and controllers and may be apparent in most, if not all, system diagrams. However for the majority of applications, the choice falls between electric and steam tracing. For detailed information on which approvals are carried for the specific application, refer to the pipe freeze protection and flow maintenance design guide h55838. Heating fundamentals before plunging headfirst into a myriad of heat trace designs, products and applications, one must first have an understanding of the basics of heat loss and why heat trace products are used. The highboilers dissolve in the liquid and increase the viscosity thereby reducing heat transfer ef. Heattracing panel group control and htpi heattracing panel individual control. Pipe heat tracing cad drawings, designs and 3d models.
Provide pipe heat tracing system as specified or shown on the drawings. Winter operation of steam and hot water heating boilers 3 of 4 b. The pipe is usually covered with thermal insulation to retain heat losses from the pipe. The heat trace installer shall provide a complete engineered heat trace system including drawings, details, electrical data and literature required for a complete system, to be supplied by the manufacturer. The tc 202a module utilizes a backlit lcd display for reporting temperatures and operating parameters. A complete electric heat tracing system will typically include the following components1. A heatconductive material with highly efficient thermal characteristics for use on any steam or fluid tracer tube. When heat trace limited was founded in 1974, electric heat. In 1960, over 95 percent of industrial tracing systems were steam traced. Electric heat tracing label peelandstick label attaches to insulation vapor barrier on 10 intervals or as required by code or specification. Bond the metal sheathbraid of the heat tracing cable to a suitable earth terminal. To determine the pitch and amount of rscc selfregulating heating cable required to heat trace a pipe, youll need to know the pipe temperature to be maintained, minimum ambient tem perature, pipe size and insulation type and thickness. The information in this design guide will allow the.
Indicate installation instructions and recommendations. Cable heat trace cad drawings, designs and 3d models. Tracers should be designed so that the flow is always down. Electric heat tracing cable1 selfregulating, powerlimiting, parallel constant watt or series resistance. Raychem xltrace system installation and operation manual. See more ideas about adult coloring pages, coloring pages and coloring books. Architectural resources and product information for cable heat trace including cad drawings, specs, bim, 3d models, brochures and more, free to download. The manufacturer shall provide the layout drawings in pdf format. Indicate electric heat tracing layout, electrical terminations, thermostats, controls, and branch circuit connections. Selection of specific heaters within a family will be based on the heater power output being equal to or greater than the worst case heat loss as calculated in section 4. Electric heat tracing, heat tape or surface heating, is a system used to maintain or raise the temperature of pipes and vessels using heat tracing cables. These heat tracing cables consist of a conductivepolymer heating matrix.
Maintenance of electric heat tracing systems shall conform to all iec requirements for the use of electrical equipment and with the requirements of the relevant heat tracing standard, usually either iec 62395 electrical resistance trace heating systems for industrial and commercial applications or iec 6007930 explosive atmospheres electrical. Where vertical flow is unavoidable, steam pressure should be a minimum of 25 psig for every 10 of rise. Conversely, a half hour heat up requires 20 watts to heat the system. Before plunging headfirst into a myriad of heat trace designs, products and applications, one must first have an. Thermon offers a single source responsibility with a truly comprehensive range of solutions that addresses every essential process heating requirement. In some cases, the heat tracing system can be used for system heatup at initial startup or after a power shutdown. Insulation will slow the heat loss, but will not prevent it. The absence of any of these items can cause a system to malfunction or represent a safety hazard. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. The need for properly installed and wellmaintained thermal insulation cannot be overemphasized. Section includes plumbing piping heat tracing for freeze prevention, domestic hotwatertemperature maintenance, and snow and ice melting on roofs and in gutters and downspouts with the following electric heating cables. Industrial heattracing installation and maintenance manual. Design, installation and maintenance manual heat trace.
These distribution panels have the option of using groundfault circuit breakers 30ma trip level. Steam tracing is the most common type of industrial pipe tracing. Selfregulating heat tracing cables can adjust their output to the surrounding temperature down the cable length. Determine the maintain temperature and make the proper cable selection. Whatever the application is, freeze protection, high temperature maintenance or sensitive process analyzer lines, teesings complete line of thermon products provides superior heat. Download pdf or cad drawings for assmann tanks and.
Selfregulating heat tracing cables consist of a conductivepolymer heating matrix between two parallel bus conductors. Design guide and installation details for selfregulating. Electric heat tracing systems are designed to make up for the heat lost from process system equipment through the thermal insulation. This adaptability to individual thermal conditions provides more heat where needed and can also reduce energy consumption as the ambient temperature increases, reducing heating costs. The first step in designing a heat trace system is to determine. Factory mutual approved for use in class i, division 2, groups b, c, and d. Find the technical support for cad drawings, stp and pdf updates you need for your emerson products and systems. Fluid heattracing systems utilize heating media at elevated temperatures to transfer heat to a pipeline.
Winter operation of steam and hot water heating boilers. Manufacturers who must keep product flowing need a heat trace partner they can trust. Trace heating takes the form of an electrical heating element run in physical contact along the length of a pipe. Appendix for electrical tracing pesias seminar 32012. Alarm relay the tc 202a is provided with a normally open, held closed on alarm, solid state alarm. The electric heat tracing system shall conform to the specification.
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