21,000 Series Manual & Automatic Bellow Seal Valves, Cast Body

FEATURES: -Vacuum Jacketed or Non-Jacketed -Multi-Ply Bellows with Redundant Packing Seals and O-rings for Leak Tight Operation -Manual OS&Y or Automatic Available with Autoseal or Specified Actuator -High Flow Cast Body Design -Globe or Y-Pattern Valve Configurations -Easy In-Line Maintenance -Top-Entry Flanged Bonnet -Butt Weld End Connections APPLICATIONS: -Cryogenic Storage Tanks -Cryogenic Transports and ISO Containers -Vacuum Jacketed and Foam Insulated Pipe -Wherever Leak Tight Valves are Required OPTIONS: -Cold Box Cuff -Bonnet Flange Purge (over seat) -Downstream 1/4" MNPT Purge -Control Tips -Instrumentation and Accessories