Tubular screw conveyors, basic equipment and accessories
In standard design our tubular screw conveyors consists of jackets with threads and geared motor with flexible coupling mounted on a motor bracket at inlet or outlet.
The jacket and the thread are made of steel or stainless steel. Up to 8 m the tubular screw conveyors are made of one piece, if longer they are two-piece.
Inlet and outlet are squared with JACOB flange. On both ends HP shaft seals flush with end plates are used for shaft sealing.
Table of the most common accessories for tubular screw conveyors
Image | Description | Image | Description |
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Inlet at round JACOB spout with dead-space removal device. The distance from the end plate is 50 mm | ![]() |
Hinged base (each flap max. 1.2 m) with quick lock and safety switch on the hinge. Silicon seals for foodstuffs |
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Outlet at round JACOB spout with dead-space removal device. The distance from the end plate is 50 mm | ![]() |
Two-part centre bearing |
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Overflow valve with safety switch on the hinge | ![]() |
Electrically, pneumatically or manually-operated intermediate discharge valve, with appropriate JACOB flange |
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Inside overflow valve with weight and inductive sensor | ![]() |
Paddle thread with paddles screwed in |
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Slotted screen for removing water from the product | ![]() |
Inlet for silo discharge with gear-rack remote operation |
Shaft seals for trough screw conveyors and tubular screw conveyors