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HAL delivers biggest ever Cryogenic Propellant Tank

By Niranjan Mudholkar,

Added 14 December 2020

To ISRO much ahead of the contractual schedule

Handing over ceremony: 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.

HAL has recently delivered the biggest cryogenic propellant tank (C32 LH2) ever fabricated by the Company to ISRO much ahead of the contractual schedule at a program 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 M S Velpari, Director (Operations), HAL 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.
Somanath, Director, VSSC, ISRO acknowledged HAL's contributions to India's space program 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 productionizing 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.
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 realization 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 Leak proof. HAL has mastered the skills and technologies required for fabricating welded propellant tank of Aluminium ally to such stringent quality requirement.
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