ROSS Controls 662K77 is a Piping Flange Kit for SERPAR and CrossFlow double valves, delivering a ready‑to‑install flange connection for a 3/4‑inch port size (Basic Size 8) to downstream process piping. Each kit includes two threaded NPT flanges, seals, and mounting bolts to ensure a clean, leak‑free joint between the valve body and piping. As part of the Piping Flange Kit family, 662K77 is the 3/4" port size designation within the 661K77, 662K77, 663K77 series, and is used with Series 35 SERPAR/CrossFlow valves as documented in the catalog.
