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Granville phillips 203 variable vacuum leak valve uhv
Granville Phillips 203 variable vacuum leak valve for ultra-high vacuum (UHV) applications
comes the original Installation and Operation Instruction booklet.
Protective plastic covers are on the 1.33'' CF flanges. The flanges are rotatable.
This valve has never been installed on a system and it's guaranteed to be new (never used).
The both flanges are pristine with no signs of prior installation whatsoever.
