Supreme & Co. - Transmission Line, Distribution Line, Substation, Pole Line and Telecom Line Hardware

Supreme & Co. is a manufacturer and exporter of hardware accessories and connectors from 0.4kV to 400kV. Our insulator hardware range includes insulator strings, arcing horns, grading rings, turnbuckles, tension and suspension clamps and fittings, cross arms, stay assemblies, mid-span compression joints, armour rods, spacer dampers, stockbridge dampers and spiral vibration dampers.

CABLES, CONDUCTORS, STAY WIRES / DROP WIRES

Supreme & Co. supplies conductors - ACSR, AAC, AAAC, AL CLAD STEEL WIRE, conductor accessories, connectors, fibre optic patch cords and pigtails.

HEAT SHRINK CABLE JOINTING AND TERMINATION KITS

Supreme & Co. provides a full range of heat shrink cable jointing and termination kits and right angle boots up to 36kV.

FIBRE OPTIC: FIGURE 8, ADSS AND OPGW

Supreme & Co. supplies accessories for aerial ADSS, earth-wire, OPGW, helical wire products, suspension clamps and fittings.

INSULATED ABC (AERIAL BUNCHED CABLE): LV AND MV

Supreme & Co. provides ABC (Aerial Bundled Cable) fittings, insulation piercing connectors, tension and suspension clamps.

FABRICATION AND GALVANIZING OF TRANSMISSION / TELECOM / SUBSTATION STRUCTURES

Supreme & Co.'s services cover the fabrication and galvanizing of steel structures for substation, transmission line and telecom towers, including design, type test and providing components and solutions for overhead line construction.

A-Z OF HARDWARE ACCESSORIES AND CONNECTORS

• A - ABC / ADSS accesories, anchors: power installed, no wrench, soil and rock
• B - bi-metallic lugs and pg clamps
• C - clamps and connectors in copper, aluminium and bi metallic, corona rings, conductors, cables and accessories
• D - distribution hardware
• E - EHV connectors
• F - fig-8 fibre optic accessories
• G - grounding and earthing accessories, grading rings, guy wire and accessories
• H - hardware - fasteners
• I - insulation piercing connectors
• J - jointing kits heat shrinkable
• L - LV, MV, HV and EHV hardware accessories; lightning protection accessories
• M - mid-span compression joints: automatic, compression and helical wire
• N - nuts, bolts
• O - OPGW accessories
• P - parallel groove clamps, piercing connectors, prewound: helically formed products, pole line hardware
• R - rods for earthing, solid copper, copper-coated
• S - substation structures, hardware, clamps and connectors, spacers
• T - transmission line towers fab and galvinised
• U - U bolts, UV stablisied plastic and rubber components for ABC system
• W - wires and cables, washers - plain, spring, curved
• Y - yoke plates
• Under development: accessories for high temperature conductors

IN-HOUSE TESTING FACILITIES

Supreme & Co.'s in-house testing facilities include:

• Mechanical tests
• Microscopic examination for grain size, microstructure and inclusion rating
• Chemical tests
• Electrical test-lab
• Damper vibration laboratory
• Charpy / Izod impact testing machine
• Magna-flux flaw detector

To complement our in-house test facilities, we use recognized and NABL (based on ISO/IEC Guide 25 and EN-45001) approved laboratories.

MECHANICAL TESTS

Supreme & Co. is equipped with UTS machines of 60t and 20t capacity and a 10m-long versatile horizontal test bed, complete with fixtures and testing instruments for mechanical test.

ELECTRICAL TEST-LAB

Supreme & Co. is equipped with an HV transformer, 0kV to 12kV/400A, high current injecting transformers, variable control and electrical resistance test set up for the following tests:

• HV test
• Dry and wet tests for flashover and water penetration for insulated LV connectors
• Heating cycle on transmission line hardware fittings up to 400kV
• Temperature rise on transmission line hardware fittings up to 400kV
• Electrical resistance test on various hardware fittings, connectors and earthing materials

DAMPER VIBRATION LABORATORY

The Supreme & Co. damper vibration laboratory is equipped with an electro-dynamic shaker of 200kg rated capacity and vibration arrangement with dyno-drive variable speed vibration motor with mechanical shaker and control panel for full span single / twin / quadruple conductor to conduct for following tests:

• Fatigue test on vibration damper and insulator hardware up to 400kV
• Damper efficiency test using software from Prof. Diana, Italy

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