SHAFT LESS SCREW

• Sedimentation tank in rigid plate welded construction.
• Inlet zone with baffle to prevent short-circuit water current.
• Inlet and outlet flange adapted to the flow.
• The trough is equipped with hardened steel rails.
• The shaft less screw is made of a 20mm thick spiral of special high wear-resistant steel.
• Inclination: 25°.
• The end of the screw is coupled by a support, bolted to the gearbox.
• The screw is driven by a hollow shaft motor-reducer.
• The reducer is fixed to the trough by a support plate.
• The reducer can be removed without disassembling the screw.
• The trough is covered by a bolted cover plate.
• The screw is equipped with inlet and outlet hoppers, and is entirely closed.
• The screw is made of special hard steel to resist to the maximum wear of friction.
• The supports are adapted to the local circumstances, according to description in the offer.

Materials:

• Sedimentation tank, trough, covers, supports: AISI304,
• Spiral: special high resistant steel,
• Drive shaft: Steel P335