Rotary connections on the box side are repaired by stub welding or weld insert repair and on the catcher side by sleeve welding or re-chasing. Rainbow has approved welding procedures with skilled welders for stub welding and sleeve welding followed by stress relieving with the help of portable furnaces.
- About Rainbow
Company Profile
Rainbow Mechanical Solutions LLC, a wholly owned subsidiary of Trinity Holdings, was established in 1991, in Abu Dhabi, to cater to the increasing demand for specialized services in the region. The company is certified to...
Quality & HSE Focus
International certifications and standards to the credit of Rainbow endorse its commitment to high quality and ethical standards. The facility is certified to ISO 9001: 2015, ISO 14001:2015, ISO 45001:2018 and US Navy standards. In...
Subsidiaries
With its roots in Dubai, Trinity Holdings has evolved into a leading provider of engineering solutions in the Middle East over the past 30 years. The group has kept pace with ever changing market dynamics...
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- Refurbishment ServicesMud Motor RotorsRotary EquipmentHydraulic SolutionsTubular ServicesJar ComponentsAutomotive Engine ReconditioningLicensed productsDredging ComponentsFabricationWhite Metal Bearings
Tungsten Carbide Coating
Protective coatings are provided in the form of hard chrome plating or tungsten carbide (WC) coating by HVOF process. These coatings are provided by sophisticated...
Hard Chrome Plating
The Chromium coating is a desirable solution due to its inherent protective and corrosion-resistant characteristics. Hard Chrome can be applied to all types of stainless...
Stub Welding / Weld Insert Repair
Rotary connections on the box side are repaired by stub welding or weld insert repair and on the catcher side by sleeve welding or re-chasing....
Pumps
Rainbow has the facilities to overhaul, repair, refurbish, fabricate and manufacture a variety of pumps and pump components. Manufacturing of pump components is carried out...
Gears, Gear Boxes & Sprockets
Rainbow has the expertise to overhaul and machine gear box assemblies of various types. After complete tear down, each component is inspected and a report...
Compressor & Turbines
Rainbow carries out repair, reconditioning and manufacturing of compressor and turbine components. Repair services include thermal spray, machining, grinding, sand or grit blasting, dynamic balancing...
Hydraulic Cylinders
Coming Soon
Hydraulic Hoses & Fittings
Rainbow offers a wide variety of flexible hoses, hose assemblies and expansion bellows in the region. Operating from an inventory of 5000 line items with...
Turnkey hydraulic offerings
Rainbow offers turnkey hydraulic solutions and one-source supply of system design, electronic interfacing, engineering consultancy, components, manufacturing, installation, refurbishment and upgrades of fluid power equipment...
Rotary Shouldered Connections
Rainbow is certified by API for 7-1 license allowing us to machine, re-chase or re-cut rotary shouldered connections that fall under this license allowing us...
Casing & Tubing
In the Oil & Gas industry casing and tubing is a critical product that is used in large quantities. Rainbow carries the API licenses for...
Cross Overs, Subs & Pup Joints
In the Oil & Gas market, the type & make of connections have increased dramatically as OEMs are engineering modified connections that offer higher torque,...
Mandrels & Wash Pipes
Rainbow houses CNC machines, Thermal spray equipment & electroplating capabilities that allows us to provide entire range of services from manufacturing to repair of damaged...
Housings
Rainbow houses CNC machines, Thermal spray equipment & Electroplating capabilities that allows us to provide entire range of services from manufacturing to complete repair of...
Automotive Engine Reconditioning
Rainbow has a department dedicated to the servicing of engines used in vehicles, compressors, generators. The engine servicing department works with reputed OEMs such as Caterpillar, Cummins, Komatsu and Detroit Diesel among others. We have...
Licensed products
Rainbow has a vast list of licensed products which it can manufacture and repair: API 5CT Couplings Pup joints Threading & chasing of various tubular components & tools (BTC and EUE) API 7-1 Threading and...
Dredging Components
Rainbow is an IHC certified facility for manufacture and repair of dredger components. A variety of components that are manufactured at Rainbow are listed below: Dredge Pipes, Elbows: Rainbow can fabricate dredge pipes and elbows...
Fabrication
Rainbow fabricates components such as gate valves, dredger parts, buckets, off-shore baskets, cranes, containers and silos. The fabrication team is able to complete jobs as per: Drawings provided by the customer Reverse engineering fabricated components...
White Metal Bearings
Rainbow offers specialized white metal bearings manufacture, repair and refurbishment for OEMs and operators of rotary equipment. All types of white metal lined components can be manufactured or repaired for industries such as hydrocarbon processing,...
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- Specialized ServicesConventional MachiningCNC Machining & EDMSurface TechnologiesOverhauling & FittingSand CastingsWeldingIn-situ Services
Conventional Machining
The conventional machining facilities and the infrastructure of the machine shop enable Rainbow to handle a wide array of repair and re-conditioning of mechanical components from almost all industries. All conventional machining jobs are carried...
CNC Machining & EDM
Rainbow has a state of the art CNC machine shop to carry out precision CNC machining to produce complex components with high accuracy and a short delivery time. The CNC machine shop is equipped with...
Thermal Spray
Rainbow offers various types of thermal spray technologies to provide surface properties that suit customer needs. High Velocity Oxy-Fuel HVOF involves heating the cladding material...
Electroplating
Rainbow has a state of the art electro-plating plant that provides hard chrome plating, nickel plating, electro-less nickel, sulfamate nickel, copper, zinc and selective &...
Slurry Coatings for Gas Turbine Components
Rainbow offers advanced SermeTel® & SermaLon® protective coatings for the power generation industry. SermeTel® slurry coating provides unsurpassed protection against aqueous corrosion and heat scaling...
Overhauling & Fitting
Rainbow has the facilities, equipment and skilled technicians to carry out overhauling and fitting of various types of assemblies. In our overhauling section the following equipment is available to cater to customer requirements: 40 tons...
Sand Castings
Rainbow’s foundry is capable of casting ferrous and non-ferrous alloys using both sand moulding and centrifugal casting techniques. With high induction melting capacity, the foundry can do single piece casting of cast iron up to...
Welding
Rainbow’s welding shop has various processes to cater to different applications and materials, these processes include: Tungsten inert gas (TIG) welding Metal inert gas (MIG) welding Plasma Transferred Arc (PTA) Electric arc welding Submerged arc...
In-situ Services
Rainbow offers a full range of in-situ services round the clock, domestically and internationally. In-situ machining minimizes asset downtime and maximizes savings by eliminating costs associated with dis-assembly, removal, transportation and re-installation of machinery. Our...
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Stub Welding / Weld Insert Repair
