Note: Applicable temperature and mediums are depending on the materials of different valve seats, bodies, stems and discs, see table 1 and table 2: table 1 Body Disc Stem Name Code Name Code Name Code Cast Iron GG25 Electric-platedDI GGG40+Ni Stainless Steel 416/...
2 Ends Outside Shell Use Cast Steel --to be Stronger ; 3 Inner Space Design inner space--enough to put Built-in Inverter ; 4 Speeds Single Speed and Dual Speeds are same body shape; Dual Speeds Hoist use Inverter--Dual Speeds Electric Trolley use 2 speeds type motor...