Coral Coil – Manufacturing of Coils

Coral Coil USA has extensive know-how and expertise in the electrical rotating machine business, both technically and businesswise. We have over 20 year’s experience dealing with global leading companies handling well-known insulation materials and top of the line application equipment, such as impregnation units using VPI, Insulation taping machines and coil and bar shaping machines, among others.

Coils, Bars, Poles, Winding Materials

CORE lines, featuring also “step-lap” technology, are designed and built to cut and stack cores used in the production of transformers. Thanks to their flexibility, these lines can produce a wide range of transformer cores, minimizing set-up times. CORE lines can be configured to different levels of automatism, depending on the selected machines

For more info, please log on to www.coralengineering.us

Coral Rewinding – Rewinding of large Motors & Generators

CORAL is a belief that has usurped a new dimension in the rewinding and reengineering business. Marked by the courage to stretch that extra mile, CORAL has grown to be identified as an able, dependable and trusted partner for many domestic and international business houses.

For more info, please log on to www.coralindia.co.in

Diagnostic Technologies India Pvt. Ltd. – Life Assessment Services

Diagnostic Technologies India Pvt. Ltd.

Life Assessment Services:

• • On‐Line Motor Testing ( MOTOCARE™)
  • Off‐Line Motor Testing (MOTOCARE™)
  • Generator Testing (GENCARE™)
  • Cable Testing (CABLECARE™)
  • Transformers Testing ( TRANSCARE™)

It can predict practically any electrical or mechanical fault well in advance, Sample faults include:

• Rotor bar degradation
• Stator core damage
• Inter‐turn insulation degradation
• Ground insulation degradation
• Air‐gap variations
• Excessive harmonics
• Loose connections
• Unbalance
• Misalignment
• Foundation problems
• Resonance
• Bearing problems
• Bent shafts
• Loose windings
• Driven load problems
• Excessive clearances, etc..

Metallic & Rubber Expansion Joints.

MACOGA are leading manufacturers of Hi-tech Metallic Expansion Joints(As Per EJMA & ASME) & Rubber Expansion Joints (As Per FSA).

We are approved suppliers to Refining, Petrochemicals, Fertilizers, District Cooling, Desalination, Steel, Aluminium, Power, Water treatment, Heat Exchanger/Pressure vessel Industries & Process licensors.
MACOGA undertakes design, engineering, manufacturing new joints, installations, repairs, surveys, inspections, refurbishment of expansion joints with upgraded safety measures. Some of our customers in KSA are:-Saudi Aramco, SWCC, SEC, MARAFIQ, SABIC, SADARA, TASNEE, SIPCHEM & FARABI PETROCHEMICALS.


For more info, please log on to www.macoga.com

Technical field service

Services Offered

• Rewinding of High Voltage Motors/Generators
• Installation & commissioning of End-Winding Vibration, Partial Discharge & Stray Flux for Generators
• Vibration Monitoring – Data Collection and Analyzing/Reporting
• Predictive Maintenance Annual Contract
• Proactive Reliability Maintenance (PRM)
• Streamlined Reliability Centered Maintenance (SRCM)
• Laser Alignment , Thermography Services
• In-Situ Balancing – Blowers, Fans, Impellers
• Online/Transient Vibrate Monitoring Services
• Technical man power supply for projects
• Premium & regular Certified Work Wear for all industries (Coveralls, Shirts, Trousers, Jackets)
• Energy Audit Consultancy
• System Integration Consultancy
• Chiller HVAC Optimization ECM Development
• Coating is a revolutionary solution for energy saving and improving the performance of the assets
• Remote Diagnostic Centre

Transmission line Maintenance tools

Transmission line Maintenance tools :

• On-load tightening / replacement of Nut-bolts of various Clamps & Connectors on Strain type Poles.
• Live Line replacement of Pin & Disc Insulators.
• Full load repairs of Conductors using Sleeves and strengthening /replacement of mid-span joints etc. for all Voltage levels.
• Live Line Maintenance of various types of cross-arms & its supports, extension parts, “C” clamps etc.
• Replacement / installation of Lightening Arrestors on various types of pole.
• Replacement / repairs / strengthening of jumpers over Strain poles.
• Live Line Cleaning of Pin & Disc types Insulators.
• Live Line Tree Trimming along with LT/HT Lines

VibroSystM – Complete monitoring solution for large rotating machines

VibroSystM is a one of a kind supplier of measuring and monitoring systems for hydroelectric, turboelectric, mines and large motors turbine-generator sets. No other instrumentation manufacturer offers such a broad range of solutions designed specifically for hydro, turbo or motor machinery.

Complete online machine condition monitoring for turbo machines :

• End Winding Vibration
• Relative Vibration
• Stator Bar Vibration
• Temperature
• Current
• Partial Discharge
• Stray Flux

Complete online machine condition monitoring for hydro machines :

• Temperature
• Air Gap
• Relative Vibration
• Absolute Vibration
• Partial Discharge
• Magnetic Field
• Turbine Clearance

For more info, please log on to www.vibrosystm.com

ZMK Technologies GmbH

ZMK Technologies GmbH is a Germany-based industry-leading designer and supplier of highly specialized valves solutions for petrochemical plants and refineries. The company offers services from consultation, engineering and manufacturing of valves all to way to installation, commissioning and maintenance.


Founded in 2014, ZMK Technologies GmbH headquarters in Düren, western Germany. The company specializes in double disc gate valves for ethylene production, double wedge valves for propylene production and valve solutions for steam crackers. With the help of 40 highly skilled and experienced employees, the company exports its products to over 30 countries.

For more info, please log on to www.zmk-technologies.de