The Product summarize of Self regulating heating cable 

Ⅰ Heat principle of Self-regulating heating cable

    The heating cable is a temperature to use heat tracing complement regulating heating in the medium in craft process a lost calories, to maintain its request in craft process.Bus wire is a kind of very complex, polymer based composite, it from various materials with conducting medium reunite , change through particular chemistry and physics curing with after extrusion modeling, wire an a keeping for constituting in twin  parallelisms continuous primary piece in parallel heating. In heat process, the quantity of the internal semi-conductor passage of this high mark sub- material- the resistance took place the variety of the astonishing and positive temperature coefficient( brief name PTC effect), and have the special numerator memory ability, and this kind of memory responds the mightiness. When the environment temperature go up, the polymer differential molecule inflates, the carbon particle separates gradually, causing the circuit break off, the resistance rises, the bus wire is automatic to reduce the power outputs; be When the environment temperature lower, the polymer differential molecule particle is apart from to contracts to diminish again, the carbon particle to become the circuit, the bus wire has heat power to rises again and automatically; be the environment temperature be placed in some on stabilizing the appearance, the system will attain the heat outputs the stability, making its have the temperature from the limit. it control temperature can't over high as well can't over low, can automatic intermediation. from but, come to a the safe and dependable purpose. 

    From the tropical construction in Self regulating heating cable, belong to connection in parallel type , so in heating cable took any ( tiny and little segment long) all has alone the auto( arbitrarily temperature a- the power outputs) of adapting to the environment temperature variety regulates the function. So it can be cut at any point to fit pipeline and installation easy.

    From the Self regulating heating cable is not limit the length, its construction is simple, the shape is flat and slippery, have certainly of can spirally wrapped around , can point to fit pipeline , can spirally wrapped around, the application is very wide.

Ⅱ Advantage

(ⅰ) The hot commutation efficiency is high , it  is up to 90% ～ 96%, because the Heating cable   reports the flat even form, asking for help the aluminum tape can become the wide and hot commutation, economizing the energy consumedly, having the obviously economic performance.

(ⅱ) The installation of these cables can be carried out efficiently. In service life period basic do not need to maintain.

(ⅲ) Workload of design small and installation facility, can reduce construction and installation with circulate the expenses.

(ⅳ) Heating uniformity, controlling temperature accurate and fleetness. Doing not need the temperature controller, can proceed to control far, realizing automation management.

(ⅴ) Have the Ex-proof , waterproof and all-weather work function, the dependable is high. Power from adjust, temperature from control, economize on energy, Ex-proof, priming current small ,power drop is very small and longlived. 

(ⅵ) No pollution, since have no" run, ooze , drop "  phenomenon, environmental protection, benefit country benefit people, is a nation heavy order the new product in economy energy of the expansion.

(ⅶ) Can save the steel material, save the heat insulating material, can still resolve the problem of the hard solution in hot way in other companion. 

Ⅲ Application

    Heating cable is ideal for use petroleum, chemical engineering, machine, spaceflight, soldier work, electric power, food( protect the fresh equipments, living creature ferment), ships, building( subterranean heat), medicine.( the medicine of system and product of health care)sea terrace, railroad motorcycle, fire fight , coating industry, pulp and papers product, public utilities equipments etc.  It is a absolutely necessarily produce that rises to keep instrumentation from blocking up in winter in newly arisen solar energy in recent years realm that guarantee the normal usage in the four seasons .  

Accessories

    When spot install , Self regulating heating cable need to be gone together with to connect the line measure with the united safety, then Increased-safety power connection box, is necessary accessories of heating cable. It is designed and manufactured according to explosion-proof electrical-equipment requires, explosion-proof mark " EXeIIT4". The system is approved for division 1,2 and explosive gas T₄ in hazardous areas . The enclosure is shell is a glass fibre reinforced plastic with weight light, the strength is high, bearing the tide, bearing to press, bearing corrosion etc. many advantages.

Ⅰ Increased-safety power connection box

   It can be used as power connection box (each, both direction ),Tee connection kit and splice connection. It is to power supply into the heating system and rises to seal completely the Ex-proof function, such as only use an heating cable , another side lead into the bore want to seal completely the top with the blind mat, counteracting the metals cassette tape( two) fix on the piping.

Ⅱ Increased- safety splice connection kit

   Increased-safety splice connection kit is used for connecting two pieces of heating cable in order to prolong heating cable length or connect two difference power heating cable on the pipe. It is used for tee joint in complex areas . Local name is splice joint , and rises to seal completely the Ex-proof  function, counteracting the  metals cassette tape( two) fixes on the piping.

Ⅲ Ex-proof End termination kit

Ex-proof end termination kit that is sealing end .It is applied at the end of heating cable for isolating cable from surrounding , rise to seal completely the explosion proof function, prevent twin wire ,heat cable a short circuit need in heating cable shock tropical terminal sheared of insert terminal box cent, counteract a metals cassette tape fix on the piping.

 Increased-safety power connection box Rating date 

      General Installation guide Caution

     (ⅰ) If the connection box has been out of shape, cracked and damaged ,  replace it.

     (ⅱ) Avoid shorting circuit between heating element ,  overbraid and bus wire ,And Decreasing electric gap.

     (ⅲ) Need not of want to seal completely with the blind mat into the line bore. 

Ⅳ Aluminum tape

   Aluminum tape is special tape that back of aluminum foil is approved adhesive, this 50mm wide and 0.1mm thickness aluminum tope is used to attach heating cable and thermostat sensing bulbs to pipe or attach flexipanel to vessel, except for binding heating cable ,it is also used to heat sink of cable and increase heat transfer .each one takes long 50 m, bear the temperature can amount to 200 ℃ .The right usage aluminum tape is to give heating cable the advantage importance in heating trace product

Ⅴ Pipe clamp

   This 10mm wide 1.0mm thickness pipe clamp is consist of alnico and fix screw. It is used to fasten connection box and accessories by adjusting fix screw to pipe, in order to prevent because of connection box sheds off to bring on heating cable appears the otiose trouble. While installing, regulate the setting bolt, will connect namely line box or other enclosures fix at take care of on-line.

Ⅵ Alarm nameplate

   This wide long alarm nameplate is used to attach to the outside of the pipe insulation at about 30m intervals.    

Install and circulate

Ⅰ General installation guide

(ⅰ) ① Heating cable installs to adjust to try with circulate, particularly in chemical factory  division 1,2hazardous area, electrical installation must be according to “Electrical installation and text guide ”and “Explosion-proof ,prevent fired-proof guide ” .

         ② It is free from installation in the place that oil gas has been gathered .The power panel must be applied in non-hazardous areas.

(ⅱ) The heating cable is weather-proof .But the system must be avoid gathering rain or snow as possible.

(ⅲ) The heating cables surface-temp in the air doesn’t exceed 80% self-fire temperature of dangerous fluid. Our produce the heating cable and connection box all for increased –safety and Ex-proof type, after the exactitude installs can attaining flameproof grade in " ExeIIT4", can be used in division 2 hazardous area mixture" T1 ～ T3" temperature sets. The heating cable take electric appliances enclosure( connect line box) goes together with to use, the exactitude installs exactitude can after attaining Ex-proof grade in " ExdIIBT3", can be used in division 1,2 hazardous area IIA, IIB Bang air mixture T1 ～ T3 temperature set do not situation usage ,and it is free from installation in the place that gas has been gathered.

(ⅳ) The heating cable is installed after the pipeline installation has finished.

(ⅴ) Before installation, check and verify all specification according to instruction.

(ⅵ) After installation , check system insulation resistance no less than 2 M  resistance of cable avoid shorting circuit. Feed the power sources. Check heating of the cable and electrical specification.

(ⅶ) If the heating system is right. The thermal insulation cable can be insulated, the heat system in companion repeats 6 of checks and continue the movement a day and night. 

Ⅱ Installation of heating cable

(ⅰ) Installation of heating cable must have the profession the technical personnel to hold certificate , must be strict to provide to proceed that give heating cable operation of us .

(ⅱ) Do not kink or crush the cable or pulling it over. Do not shock or hummer beat or shell to row overbraid , in order to prevent hurts to insulating course,  taking place the short-circuit . Avoid installing against sharp edges. After installation, do not electric welding or gas welding.

(ⅲ) When the heating cable on pipe, to consider the construction the spot have no the space, pleasing not to exceed the heating cable to minimum (minimum bending radius no less than 5 times its thickness ), in order to prevent broke through or catches fire .

(ⅳ) The cable must be attached pipe surface firmly for heat sink. The heating cable installation will require the use of Aluminum tape as possible. Not only increase heat sink ,but also increase heat transfer.. Its method is: first clearance cable by way of the greasy dirt or water, Fastening the heating cable to the pipe with tape, making the cable stick in the piping surface.

(ⅴ) If the heating system is right after 24 hours, the thermal insulation and watertight jacket can be insulated. Heat insulating material must be dry , and guarantee the quantity of the material with the thickness .The damp heat insulating material not only affects the heat insulate or wasted energy, but also shorten its service life. Outside of the heat insulating material with celluar glass , mineral wool . After installing, must twine with watertight jacket immediately, otherwise, will lower the heat insulating function consumedly, affect the normal movement of the heat system .

(ⅵ) Do not exceed its" biggest allow to use the length". It is biggest to allow to use the length with the different type number product but different.

(ⅶ)  Heating cable apply to flange, twined round to heating cable ,

(ⅷ) When the tinned copper braid heating cable connect the line , connect resistance not very in 4 Ω should avert from its under, and the cable beginning and end can not touch with the tinned copper braid .

(ⅸ) Leave extra cable at all accessories to facilitate easy working of the connections.

(ⅹ) Heating cable end to connect with the end termination kit seals completely, can not conduct heating element to get in touch with, avoiding the short circuit

(ⅹⅰ) Connection box must fix in pipe of the wall, avoid loosening to move( vibrate), cause the short-circuit .

(ⅹⅱ) Installing to heating cable should add to flow the protection device, it must be applying a device with overload. Short circuit. Electricity  leakage and Temp-control protection in the heating system. .

(ⅹⅲ) After installation, Check system insulation resistance no less than 2Mωwith 500V or 1000V megohmeter. Feed the power sources. Check heating of the electrical specification. all normal can proceed to send the electricity.

(ⅹⅳ) After installation, alarm nameplate is used to attach to the outside of the pipe insulation to remind people the attention the safety.

(ⅹⅴ) While going around and inspect should on time avoid gathering rain or snow as possible, keeping heating cable and its accessories sweep to reduce the energy run off.

(ⅹⅵ) When check the outer insulation, It will be reject if discovers raging or dry or insulation resistance lower than provision or reducing 8% of rated power .

(ⅹⅶ) Heating cable again before using, must test insulation resistance.

(ⅹⅷ) Because each factory product parameter is different, in order to safety using , our heating cable can't use with other factory product at the same time .