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Hindustan Aeronautics delivers biggest cryogenic propellant tank to ISRO

Tuesday, 01 Dec 2020
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Hindustan Aeronautics (HAL) has delivered the biggest cryogenic propellant tank (C32 LH2) ever fabricated by the company to the Indian Space Research Organisation (ISRO), much ahead of the contractual schedule.

The C32-LH2 tank is a developmental cryogenic propellant tank of aluminium alloy designed for improving payload capability of GSLV MK-III launching vehicle.

The four mtr diametric tank is of eight mtr length to load 5,755 kg propellant in the 89 cu mtr volume. Total length of weld carried out in the tank was 115 mtr at different stages to the quality requirement of 100 percent tests on radiography.

HAL has mastered the skills and technologies required for fabricating welded propellant tanks of aluminium alloy to such stringent quality requirements.

HAL has been associating with ISRO for space programmes since the last five decades. The company has supplied critical structures, tankages, satellite structures for PSLV, GSLV MK-II and GSLV MK-III launch vehicle.

Various new projects like PS2/GS2 integration, semi-cryo structure fabrication and manufacture of cryo and semi-cryo engines are being taken up at HAL, for which setting up of necessary infrastructure and facilities is nearing completion.

HAL has also supported ISRO right from developmental phase of Crew Atmospheric Re-entry Experiment, PAD abort test for crew escape for Human Space Mission and is currently building hardware for full-fledged launch vehicle GSLV MK-III for Gaganyaan programme.

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