Named for their shape, bell jars are generally used to form and contain a vacuum. Bell jars are placed on a base that is connected to a vacuum pump hose and the contained air is removed by suction. Bell jars are designed to withstand the pressures associated with such vacuums.
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Eliminate the risk of implosion or shattering at full vacuum with these vacuum chambers. Useful as a controlled environment for degassing operations and freeze drying, vacuum chambers are available with transparent PC or amber PEI bell jar.
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Use Thermo Scientific™ Nalgene™ Replacement Plate for Vacuum Chambers with Nalgene Vacuum Chambers (5305-series), Nalgene Replacement Bell Jars (DS5320 Series), or with glass bell jars up to 12.5 in. (31.75cm) in diameter. Plate is molded of white polycarbonate, with neoprene gaskets.