MDC 304 stainless steel bell jars are designed for use with MDC flat baseplates, base wells and feedthrough collars. A dovetail groove in the jar’s base flange holds a Viton® elastomer o-ring gasket, which makes the vacuum seal with a baseplate or one of the components previously listed. All stainless steel bell jars are fitted with a four-inch view diameter PVP-4 Pyrex® viewport. All vacuum welds are internal and provide UHV compatibility. For added convenience, all bell jars are fitted with a hoist or single top-center lift-ring that is welded to the chamber’s domed top. These chambers can be purchased with an optional electropolished finish.
Viton® Gasket Seal
Pyrex® Viewport PVP-4
Flanges 304ss (1.430I) or 316EFR (1.4429 ESU)
Gaskets OFE copper
Bolts 300 stainless steel (ss) and 300ss silver-plated