Dhaka, Bangladesh — RotoTech Bangladesh Limited has successfully completed a groundbreaking project for Summit Kodda 300MW Power Plant Ltd, showcasing its ability to deliver cost-effective and performance-driven solutions. By upgrading TA20 nozzle rings to TA17 specifications in Wartsila W46V20 engines, RotoTech has achieved measurable improvements in engine efficiency, durability, and operational cost savings. Enhancing Engine Performance The TA20 nozzle rings in ABB TPL76-C33 turbochargers, previously used at Summit Kodda, were identified as limiting factors in engine performance. RotoTech’s transition to TA17 nozzle rings brought several direct benefits: Improved Fuel Efficiency: Specific fuel consumption (SFC) was reduced by 2–3 grams per...

Dhaka, Bangladesh — RotoTech Bangladesh Limited, a pioneer in engineering solutions, has made headlines with its remarkable success in refurbishing a critical turbocharger component for Desh Energy Chandpur Limited. The A175-M66 nozzle ring, part of the Wartsila W50V20DF engine, had been plagued by premature cracking and deformation after 10,000–15,000 hours of operation, leading to serious operational challenges. A Critical Component in Crisis The A175-M66 nozzle ring is integral to the performance of turbochargers, and its degradation had far-reaching consequences. Engine performance was significantly compromised due to: Lower Turbocharger RPM: Deformations reduced aerodynamic efficiency. Higher Temperatures: Uneven vane profiles hindered heat...

RotoTech Bangladesh Limited has emerged as a trailblazer in turbine blade refurbishment technology, delivering exceptional engineering solutions to clients worldwide. With a strong commitment to quality, the company specializes in refurbishing turbine blades using cutting-edge processes for super alloy components, adhering strictly to OEM (Original Equipment Manufacturer) procedures. The company boasts an impressive milestone, with over 500 refurbished turbine blades currently in operation. This achievement underscores RotoTech’s expertise and unwavering dedication to providing reliable, high-performance solutions. Their highly skilled engineers, trained and certified by OEMs, ensure that every refurbished component meets stringent quality and safety standards. In addition to turbine...

January 15, 2025 — [Dhaka, Bangladesh] RotoTech recently hosted an engineer from SULZER headquarters for the balancing of a 14-stage high-pressure (HP) feed water pump rotor. The visit highlighted RotoTech’s commitment to excellence in precision engineering and professional service. During the visit, Mr. Jack Wilton, a senior representative from SULZER, personally evaluated the rotor balancing process. Impressed by the precision and quality of the work, Mr. Wilton expressed his satisfaction, stating, “The balancing job was executed flawlessly, showcasing the high standards upheld by RotoTech.” He further commended RotoTech’s workshop, describing it as a “professional, world-class service station” capable of meeting...

Overview Ashuganj Fertilizer Industries Limited (AFIL), a key player in Bangladesh’s fertilizer production sector, recently faced a critical challenge with their 14 MW Synthesis Gas LP Turbine. This turbine, originally manufactured by Nuovo Pigments (now GE Turbines, Italy), experienced a significant failure in its rotor assembly. The crisis threatened the uninterrupted production of 40MBDT of urea fertilizer, jeopardizing operations at a plant employing 1,200 personnel. Thanks to the expertise of RotoTech Bangladesh Limited, the rotor was successfully rebuilt locally—a first for Bangladesh—saving valuable time and foreign exchange for AFIL. The Challenge The turbine rotor’s last-stage blades, which are the largest...

Yesterday, our team successfully completed a specialized dynamic balancing job for a 2335Kg rotor. This rotor is a crucial part of a specialized motor from the renowned German brand LDW, designed for a leading cement industry in Bangladesh. We were honored to have Mr. Erik Eilers, an expert engineer from LDW Germany, physically present during the process. Mr. Eilers reviewed the entire procedure and the final results, expressing his appreciation for our state-of-the-art facilities and the exceptional skills of our engineers. At RotoTech, we are committed to delivering top-notch services to our valued clients, setting new standards in engineering excellence....

Background Charu Ceramic Industries Ltd., a leading manufacturer in Bangladesh, faced persistent issues with their Siemens 45KW AC motor for over two years. Despite repeated attempts to operate the motor, they encountered high bearing temperatures and severe vibration problems, preventing smooth operations and impacting productivity. The Challenge The recurring bearing temperature rise and vibration issue presented a complex challenge. The root cause seemed to stem from misaligned components, leading to inefficiencies and potential damage to the motor. The need for a reliable solution became critical for uninterrupted operations. The Solution: RotoTech to the Rescue Charu Ceramic Industries turned to RotoTech,...

RotoTech Supports ‘Made in Bangladesh’ by Dynamically Balancing Locally Manufactured Fiber Impellers We at RotoTech are proud to contribute to the “Made in Bangladesh” initiative. Chittagong-based entrepreneur NAF Enterprise has started manufacturing glass fiber impellers, commonly used in the chemical industry. Previously, Bangladeshi users had to rely on imports from China or India for such impellers. RotoTech successfully balanced these locally manufactured fiber impellers, which presented unique challenges due to significant imbalance and material addition requirements. With extensive experience in balancing a wide range of rotating parts, the RotoTech team ensures precision even in the most demanding tasks. If you...

RotoTech Bangladesh Limited is proud to announce the successful introduction of our specialized Alternator Bearing Housing Repair service. This solution is designed to restore the functionality and durability of alternator and motor bearing housings, ensuring optimal performance and reliability. Our Process: We follow a meticulous and systematic approach to deliver top-notch results: 1. Identifying the Cause of Wear To accurately determine the underlying issues, we: Conduct dimensional calibration checks to assess any deviations from original specifications. Perform material hardness tests to evaluate the integrity of the housing material. 2. Rebuilding and Machining with Precision Once the root cause is identified,...

We recently tackled a challenging job involving a 45KW Centrifugal Blower Fan with a 1200mm diameter impeller weighing 250kg. This machine was experiencing excessive vibration during operation, impacting bearing life and overall performance. Our team executed a comprehensive scope of work, including: Complete dismantling Thorough cleaning Precision impeller balancing Bearing housing calibration Full reassembly We’re proud to share that our capabilities extend even further! We can balance impellers up to 2600mm in diameter and weighing 5000kg. At RotoTech Bangladesh, we’re committed to ensuring optimal performance and longevity of your machinery. If you’re facing similar challenges, we’re here to help! #RotoTechBangladesh...