HAL delivers the heaviest Semi-Cryogenic propellant tank, SC120 – LOX, for ISROs GSLV Mk-III launch vehicle

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Hindustan Aeronautics Limited (HAL) fabricated the heaviest Semi-Cryogenic propellant tank, SC120 – LOX, for Indian Space Research organisations (ISRO) GSLV Mk-III launch vehicle.

The semi cryo-liquid oxygen (LOX) tank is the first developmental welded hardware. It is a part of the SC120 stage intended for payload enhancement by replacing the L110 stage in the existing Mk-III launch vehicle. 

Last year, HAL had delivered the biggest ever cryogenic Liquid Hydrogen tank (C32-LH2), which is four meters in diameter and eight meters in length, much ahead of the contractual schedule.

HAL says it has mastered the skills and technologies required for fabricating welded propellant tanks. It’s Aerospace Division has delivered 244 propellant tanks and 95 water tanks to ISRO for the space programmes of PSLV, GSLV Mk-II and GSLV Mk-III of diameter 2.1, 2.8 and 4 meters where the length of the tank varies from 2.5 meters to 8.0 meters.

As a reliable strategic partner, HAL has been associating with ISRO for India’s prestigious space programs for the last five decades. HAL has delivered critical structures, tankages, satellite structures for the PSLV, GSLV-Mk II and GSLV-Mk III launch vehicles. May new projects like PS2/GS2 integration, Semi-cryo structure fabrication and manufacturing of cryo and semi cryo engines are implemented at HAL, for which installation and commissioning of unique infrastructures are nearing completion.

HAL has also participated with ISRO for the developmental phase of Crew Module Atmospheric Re-entry Experiment, PAD Abort test for Crew Escape for Human Space Mission and is currently supplying hardware for full-fledged launch vehicle GSLV Mk-III for the prestigious Gaganyaan programme


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