◆L-40500 with sleeve-oriented structure, pressure balanced spool is designed for heavy-duty conditions, the use of dual seat sealing applied to...
◆L-40600 with sleeve-oriented structure, pressure balanced spool is designed for heavy-duty conditions, using a balanced seal ring replacement o...
◆The L40800 labyrinth valve cage bonding pressure balanced valve core design, by the distribution of the surface of a plurality of coaxial c...