

SDCAD offers wide range of solutions for bulk material loading applications.They are generally mounted underneath silos, hoppers,or installed at the end of conveyors like screw feeders, elevators or pneumatic conveying systems. Bulk materials flowing from the upper side are transferred to the downstream vehicle, ship or stockpile efficiently without any dust emission and product loss.





A solid connection to a centralised filter unit ensures dust-free operation.
SDCAD Loading Bellows are used for efficient, dust-controlled loading of dry, dusty bulk solids into tankers.
The spouts are provided with inner tapered cones to contain the flow of material and an outer double bellows to provide for dust removal.
At the lower end of the Loading Bellows, a SINT engineering polymer-coated cone with special sealing properties is provided for connection to the tanker.
![]() | Bottom View |
![]() | Material Level Test device Stop automatically when the level reaches the top. |
![]() | Hoisting system |
![]() | Remote Control |
![]() | Out-chute with high strength, easy to clean Non-Blocking material, Non-deflating chute |
Function
First the Loading Bellows is lowered from stand-by position towards the inlet spout of the tanker.
As soon as the bellows outlet cone settles on the inlet spout of the tanker, the slack cable switch mounted outside the transmission box stops lowering of the bellows.
The limit switch inside the transmission box stops both full extension and contraction of the bellows. Material loading starts by opening the silo outlet valve.
During filling of the tanker, the polymer coating of the outlet cone acts as a perfect dust seal.
The slack cable switch activates further extension of the bellows as the tanker lowers under the increasing weight of the material.
A level control device installed in the centre of the outlet cone signals maximum material level in the tanker compartment and orders immediate closing of the silo outlet valve.
Contraction of the bellows back to stand-by position starts after a delay of approximately ten seconds in order to allow the external filter to evacuate the remaining dust.
Once the bellows is fully contracted, the cable limit switch inside the transmission box stops operation.
Benefit
- Flexible chute in neoprene covered with Hypalon® makes the bellows weather-proof, highly abrasion and temperature-resistant and durable
- Reverse cone with inside level control indicates when tanker is full, gradually raises loading bellows improving material distribution inside the tanker
- Two lifting cables outside the material flow raise and lower the loading bellows without cable wear due to material friction and obstruction to material flow




Loading bellows are coupled with product feeding equipment.
Depending on application requirements, wide range of bulk solids handling equipment can be utilized for feeding loading bellows.



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