Product DescriptionL40800 Series is by changing L-20800 trim to Cage guide type. Create balance force to provide larger size available. Applicable to serve services.The balanced trim can select with:1.Cage single-seat type (High leakage class, small working temperature range)2.Cage double-seat type(low leakage class, big working temperature range)Product Parameters(1)Trim: Cage Guided Balance Trim                  Labyrinthine Path Cage                  Double or single seat with balance ring            (2)Body : Straight Angle Z type(3)Bonnet: Standard Steam Cryogenic         (4)Temperature Range : -196℃~538℃(5)Plug sealing : Standard  Graphite  Bellows(6)Leakage :CLASS IV（Metal Seat without seal ring）                   CLASS V（Metal Seat with seal ring）(7)Flow characteristic : Equal %  Linear        (8)Pipe Line Connection : Flange  Welding(9)Range ability : 30:1