Option Features
Manufacturing to NACE MR-01-75-LE
Cast Steel, Alloy Steel, Stainless Steel
Seal Welded or threaded Seats Across Full Range
Flanged or Butt Welded Ends
Stop-Check or Screw Non-Return
Guided Disc for Use in Vertical Pipelines
Bonnet Extension for Cryogenic Service
By-Pass and Drain Connections
Locking Devices
Extension Shaft for Remote Operation
Pressure Seal Bonnet
