Screening Deck
Free-Fall Screens
The Free-Fall screens usually require additional screening decks compared to the conventional screens, in order to perform at its impressive capacities. If not all screening decks are being used, a special protection cloth can be supplied in order to cover and protect the open support frames from excessive wear.
SF Free-Fall Screens
Bolted screen body with rubber lined feed box and wear protected side plates. Two electrical motors, self-synchronizing and unbalanced (as standard 6-pole 1,000 rpm, 50 Hz/400 V, protection class IP 65). Suspension with steel coil springs and spring supports. Length tensioned wire mesh (any hole size) for all decks. Rubber covered discharge lips (SF1843 and SF1844). Transport plane under the bottom deck collecting fine material towards discharge end. Back wall made of rubber for dust retention. Friction checks integrated into spring base mounts (SF1843 and SF1844). Surface treatment according to Sandvik S&F standard.
Scope of Supply – SF Free-Fall Screen Unit/Screen Station
Item no. 1-8 corresponds to the modules required for a complete screen station and item no. 1-5 to a screen unit. Some modules offer more than one alternative, of which only one of them can be selected. The screen units and stations according to the table below are available for the screen models SF1443 and SF1843.