Pravin Electronics Mumbai (India)

Business overview

The basic parameters appertaining to post weld heat treatments are clearly defined in the appropriate U. S. A. and British Standards. Post weld head treatments to these codes may be affected by electrical resistance methods and the following represent the fundamental requirements for effective heat treatment. (1) The system must be fully capable of reaching and correctly recording the specified temperature. (2) Heating conditions must allow for various component thicknesses such that uniform temperatures result. Special provision often has to be made to control temperature gradients away from a heated zone in order to minimize additional stress. (3) The operation has to be recorded and controlled within the limits of the Specification. The oil rennery, petrochemical and power plant industries all utilize vast Quantities of tubing and pipe work, a substantial proportion of which has a post weld heat treatment requirement and this can be successfully achieved by the use of Pravin Electronics heat treatment equipment. General Descriptions The Pravin Electronics heat treatment system is an engineered modular heating system for all classes of pipe welds on the construction site or workshop comprising a frxed voltage 3 phase transformer of specific design for heat treatment purposes, multi-channel controllers in manual, semi-automatic or fully automatic modes, temperature recorders ,thermocouple attachment unit, flexible heating elements, cables and frtments which are supplied with quickly made connection, The modular construction of the basic components allows expansion of the system for larger heating applications such as pressure vessels, complex fabrications and structures for temperatures up to (750°c) . The breakdown into modular units permits control of heat input to zones as is frequently necessary to cater for geometry of many pipework joints. The use of 80/20 nickel-chromium stranded wire in conjunction with high quality ceramic interlocked beads to from flexible heating pad elements of a fixed voltage rating , and therefore in standard sizes, allows individual elements to be readily applied over a wide range of pipe sizes without recourse to obtaining special units for each application. Similarly, because of this fixed voltage rating, elements may be parallel connected in groups or heating zones to the transformer through the medium of a controller . Multi-purpose heating transformer providing low tension 3 phase output at 65 volts & 75 volts. Heating units, oontactorised 6 way pattern with energy regulator Controls for preheating capabilityenclosure for assembly with the heating transformer. Temperature controller unit, 6 way pattern with energy regulators and Single control action process controllers. 6 point temperature recorder. Flexible ceramic pad heating elements. Ceramic fiber insulating mats. Thermocouple wire. The multipurpose 50 kv a heating transformer features a forced air cooled double wound class “H” supply, with a nominal rating of 540 kva and service factor of 1.20 for ambient temperatures up to 35 degs. Centigrade (90%F). The secondary winding, with a single tap only has all nine ends brought out to provide a choice of 3 phase low tension output by reconnection of either 65/75 volts 230 amps (maximum) per phase in star (wye) connection to provide 65 volts phase to neutral power for heating.Aterriary (auxiliary) winding is incorporated to provide 230 volt single phase AC supplies through the medium of two 20 amp 3 Pin fused service outlets for control circuits associated with heat treatment controller, programmers, weighing 490 lbs . (223kg), is htted with skid type feet or castors although 8 diameter nylon wheels & a topbar can be fitted.



Industry Electronics and Telecommunication
Business Type Manufacturers, Trader & Exporter/Importer
Firm Type Proprietorship
Expand Level International

Products & Services

We are manufacture Traders, Exporters and Importers a standard program of fully automatic program controlled heat treatment units of all out puts ratings six, nine & twelve channels out puts with Auto I Manual Facility.

Our Products :-
Combined Panel :-
Model PE 003 COMBINED PANEL
Model PE 004 COMBINED PANEL

S.R. Panels :-
Model PE 003 S R PANEL
Model PE 002 S R PANEL

Thermocouple Attachment Unit :-
Model PE 002 Thermocouple Attachment Unit
Model PE 001 Thermocouple Attachment Unit

Stud Welding Machine :-
Model PE 002 Stud Welding Machine
Model PE 005 Stud Welding Machine

Blinkers and Flashers :-
Model PE 009 Blinkers and Flashers
Model PE 008 Blinkers and Flashers

Power Source :-
Model PE 75 6 Power Source
Model PE 50 6 Power Source

Product Catalogue (12)

Contact Details

Pravin Electronics

2021 Bhandup Industrial Estate, Pannalal Compound, LBS Road Bhandup,
Mumbai, 400078 (Maharashtra) - (India)



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