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www.metrorailnews.in METRO RAIL NEWS -AUGUST - 2025 47Understanding Clamp Lock In-Sleeper Point Machines: A Key to Safer Switching%u201cClamp lock In-Sleeper point machines,%u201d Mr. Khaitan explained, %u201care a specialised signalling solution used to drive, lock, and detect the position of switch rails at turnouts, switches, and crossings. The system is hydraulically actuated, meaning the rams drive both the switch rails and the clamp lock mechanism itself.%u201dHe highlighted the dual benefits of this design: %u201cThe mechanism offers not just mechanical reliability but also hydraulic locking, ensuring superior safety and consistent performance. What%u2019s even more important is the onboard detection system%u2014it provides reliable open or closed feedback at every stage of the switch throw, fully integrable with Indian Railways%u2019 existing signalling infrastructure. Unlike the conventional machines used in India, these machines offer ease of track infrastructure maintenance, where the machine need not be opened during the routine Turnout ballast tamping operation%u201dA System Designed for VersatilityOne of the most compelling features of the Clamp Lock system is its modular design. %u201cThis makes it adaptable to almost every track configuration%u2014across various rail types, gauges, inclinations, and even complex layouts like diamonds and double slips,%u201d noted Mr. Khaitan. %u201cThis adaptability makes it ideal for the diverse and demanding operating conditions of Indian Railways.%u201dFrom UK Legacy to Indian Rail InnovationOriginally designed by British Rail in the late 1960s, the Clamp Lock technology has seen major advancements over the years. %u201cThe MK1 version laid the groundwork, but it was in 2019 that Hydraulic Technologies unveiled the MK3 variant %u2014a highly refined and reliable iteration of the Clamp Lock In-Sleeper Point Machine,%u201d said Mr. Khaitan. %u201cThe MK3 reflects decades of evolution, bringing in smarter design, longer service life, and lower maintenance demands.%u201dRahee%u2019s Strategic Technical CollaborationTaking a significant step forward, Rahee has now entered into a technical collaboration with Hydraulic Technologies England Limited, headquartered in Dagenham, UK.%u201cThis partnership reflects our commitment to supporting Indian Railways%u2019 mission for safer, smarter, and more efficient operations,%u201d said Mr. Khaitan. %u201cHydraulic Technologies is a global leader in electro-hydraulic switching systems, and together we aim to deliver next-generation point machine solutions tailor-made for the Indian rail environment.%u201d The collaboration focuses on introducing advanced switching systems that are engineered for high durability, extended service intervals, and enhanced operational safety. %u201cWe see this as a future-ready solution aligned with India%u2019s rapidly expanding rail network and the modernization goals of Indian Railways,%u201d he added.Building Tomorrow%u2019s Railways TodayAs India continues to invest in railway infrastructure upgrades%u2014whether through high-speed corridors, metro expansions, or station modernization%u2014the role of reliable switching systems becomes critical.%u201cWith this collaboration, Rahee is proud to be at the forefront of railway innovation. We%u2019re not just delivering components; we%u2019re delivering confidence, safety, and long-term value to one of the world%u2019s largest rail networks,%u201d concluded Mr. Khaitan.LEADERSHIP SPOTLIGHT