NUPRO SS-4BK TW-1C Bellows Valve 1/4" Swagelok to 2.75" CF DN40CF DN35CF ConFlat. Condition is "Used".
Nupro valve plumbed directly into the 2-sided 2.75" conflat fitting. Opposite of the valve inlet, there is a threaded hole for use with a vacuum gauge.
Conflat knife edges are in good condition, flange holds high vacuum.
