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  • World's Largest Cryopump ( 52" type ) starts operation at the satellite equipment test site

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The world's largest 52" type cryopump (Diameter: 1.5 m) of ULVAC was adopted for the main exhaust to create a vacuum in the satellite testing equipment (6mΦ Radiometer Chamber: Manufactured by Hitachi, Ltd.) at the Tsukuba Center of National Space Development Agency of Japan, and 4 cryopumps were manufactured and delivered.

52cp 2.jpg

52" type Cryopump

Test equipment for artificial satellite

Source: provided by National Space Development Agency of Japan, Hitachi, Ltd

Specification of 52" type cryopump
Pumping speed N2: 61,000 L/s
H2: 84,000 L/s
H2O: 186,000 L/s
Ultimate pressure 1×10-6Pa or less

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