Bema A/S products
Screw Rotors
Bema - Standard Screw Rotors
Best quality screw shafts for all industries, and all sizes.
Bema - Conical Screw Rotors
The screw filling is often adjusted with the aid of conical arrangements.
Bema - Wear Plates Screw Rotors - Wear Augers
Various coatings in either wear plate flights or hard metal welding-on are available for strongly wearing media. Please contact the sales department for more information on the advantages.
Albemarle - Shaftless Screw Rotors
Shaftless flights’ uses include: Greasy and sticky media such as in cleaning systems and similar. Why pressed axleless flights and not rolled? Unlike rolled flights, shaftless pressed flights have the advantage that they have the same material thickness in the inner and outer diameters, giving a better durability and strength.
Bema - Outer Cutting Screw Rotors
Exterior slotting is often used where the rotor must chop, mill or ream a particular medium.
Bema - Helise Screw Rotors
Interior slotting in the flights, also called a Helise rotor, can be used for: Stirring of medium. Back flow on pressure. Lowering of pressure on the spiral flights.
BEMA - Model 31634 - Mixer Screw Rotor
Mixer screw rotor Ø1000: Manufactured in stainless steel 1.4301. Double set of flight with 4 different transportation ways. Welded 100%. Acid pickled after welding. An example of BEMA`s capability to manufacture complicated fight segments.
Bema - Model 21402 - Archimedean Screw
Archimedean screw rotor: Designed for sludge. Outer diameter: 1094 mm. Inner diameter: 711 mm. Pitch: 880 mm. Double threaded. Flights are manufactured in 180° segments in 8 mm thickness. Manufactured in standard steel. Coated with epoxy - Sigmashield 880.