Used condition; may have wear and age related marks. See pics for condition / what’s included / testing conducted. Swagelok 6LV-DF8327-C High-Purity Diaphragm Valve NB4980 Swagelok 6LV-DF8327-C high-purity diaphragm valve for semiconductor/process-gas service, with visible secondary marking NB4980. Condition: Used industrial surplus item with possible age, storage and cosmetic wear. Untested unless explicitly stated; see photographs for exact condition and included parts. Please match exact part/model/configuration and photographed connectors to your application before purchase. Includes x1 high-purity diaphragm valve as photographed.