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Bengaluru, NFAPost: HAL has delivered the biggest cryogenic propellant tank (C32 LH2) ever fabricated by the Company to ISRO much ahead of the contractual schedule at a programme held here recently.

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

The propellant tank was handed over by HAL Director (Operations) M S Velpari, to Dr V Narayanan, Director (LPSC), ISRO in the presence of S Somanath, Director (VSSC) with other senior scientists from ISRO, participating in virtual mode and other senior officials of HAL.

VSSC Director Somanath acknowledged HAL’s contributions to India’s space programme as one of the valuable partners of ISRO in its long journey.

“While appreciating HAL’s capability in absorbing any technological advancements and developments in productionising any types of space hardware and structures for the space launch vehicle, he highlighted HAL’s role in developing eco-system by sharing the knowledge among private players towards strengthening the supply chain.

Dr. V Narayanan, Director (LPSC), while receiving the hardware, thanked the entire workforce of HAL for successful production of the developmental project.

HAL Director (Operations) M S Velpari reiterated HAL’s commitment to bring this mutual cooperation and support to the utmost level. He also explained HAL’s preparedness to venture into complete realisation of PSLV & GSLV launch vehicles progressively from raw material stage to launch stage including managing the entire supply chain of ISRO.

The four-meter diametric tank is of eight-meter length to load 5755 Kg propellant in the 89 cubic meter volume. Total length of weld carried out in the tank was 115 meter at different stages to the quality requirement of 100% tests on radiography, Die penetrant check and Leakproof. HAL has mastered the skills and technologies required for fabricating welded propellant tank of Aluminium alloy to such stringent quality requirement.

HAL, as a strategic reliable partner, has been associating with ISRO for the prestigious space programmes since last five decades. HAL has supplied critical structures, tankages, satellite structures for the PSLV, GSLV-MkII  and GSLV-MkIII launch vehicle.  Various new projects like PS2/GS2 integration, Semi-Cryo structure fabrication and manufacture of cryo & semi cryo engines are being taken up at HAL, for which setting up of necessary infrastructure & facilities is nearing completion.

HAL has also supported ISRO right from the 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 program.

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