Vibratory sieve

Vibratory sieve for bulbs to be forced in the greenhouse

The vibratory sieve is a unit that can be placed between the waste elevator and cubic crate. Via the elevator, the bulbs to be forced in the greenhouse are fed to the vibratory sieve, where the sand and plant residues are shaken off, so that the bulbs rolling into the cubic crate are clean. 


  • Clean bulbs
  • High speed
  • Reduction of personnel costs
  • Accurate working method


  • Placement between waste elevator and cubic crates


All you need to know about the vibratory sieve for bulbs to be forced in the greenhouse

Our specialists are looking forward to answering any questions you might have about our vibratory sieve. They are more than happy to make time for you through personal contact. They answer all questions and always guarantee good advice by telephone or via video calling. On weekdays they are available from 7 am to 4:30 pm at +31 (0)252 241490.



Automatic debulbing of tulips resulting in maximum length without damaging the stem.
Belt systems

Belt systems

Transport of various product and materials such as harvesting systems and waste disposal.
Twister bouquet line

Twister bouquet line

The Havatec Twister, automated twisted bouquets of 10-35 stems with various designs
Bouquet & Export lines

Bouquet line

The Bouquet line from Havatec easily ensures a fast, clean and constant quality of bouquets.

Binding lines

Havatec supplies various customer-specific flower processing lines, including binding lines


Bunching machine with X-ray system that can grade tulip stems on length, straightness and weight.
Tulipstar XL

TulipStar XL

Bunching machine with X-ray system and wide pockets can grade tulips in length, straightness and weight.
Bunching machine for tulips

QB for tulips

Our Quality Buncher is the perfect solution for small and large tulip growers.
Havatec Debulber

Havatec debulber

The singulation and debulbing section processes the water-grown tulips at high speed and large numbers.
Flower bulb planting line

Flower bulb planting…

With the flowerbulb planting line it is possible to have trays running on 2 sides of the belt with bulbs.


Fusarium infected tulip bulbs are singled out automatically and labour is reduced by 75%.
Harvest systems

Harvest systems

Customized harvesting systems with our own control system for optimal connection of machines.
Havatec Wave


The Wave processes various cut flowers into bunches sorted by length in a fully automated manner.


FloraStar sorts on basis of length, curve, weight and number of buds and bunches 10,000 flowers per hour.
QBW bunching machine

QBW bunching machine

Havatec has developed a bunching machine that is suitable for both long heavy flowers and short flowers.


Our conveyors form the basis for all our machine lines and are used as harvesting conveyors.
Buncher for summer flowers

QB for summer flowers

Quality Buncher including pin belt deleafer unit is the perfect bunching machine for summer flower growers.
Quality Buncher Hortensia

QB Hydrangea

Our Quality Buncher including pin belt deleafer unit is the perfect solution for hydrangea growers.
Waste discharge systems

Waste discharge systems

Customised waste disposal systems, consisting elevators, conveyor belts, curved conveyor, etc.


The MonoStar is a gerbera bunching machine developed for automated sorting and bunching of gerbera.


The MixStar is a gerbera bunching machine for automated bunching up to 5 colours.

FlowMaster boxes

The FlowMaster boxes is a semi-automatic insert machine for serveral gerbera boxes.
FlowMaster insteekmachine voor kaarten

FlowMaster cards

The FlowMaster cards is a semi-automatic insert machine for gerbera.
Havatec Wicl-B

Havatec Wicl-B

The Havatec Wicl-B is for wrapping bouquets and bunches of flowers with a rotating binder.
Elastic binder

Elastic binder

Havatec elastic binder, on all our processing lines, as 'stand alone', in standard or high speed.
Vibratory sieve for bulbs

Vibratory sieve

The vibratory sieve vibrates sand of the bulbs so that the bulbs rolling into the cubic crate are clean.

BulbStar XL

Fusarium infected tulip bulbs are singled out automatically and labour is reduced by 75%.
Aquamatic bucketfiller


Fully automated system that uses a bucket separator system towards a conveyor belt.
Squarefill bucket filler


The bucket filler for auction barrels and bouquet buckets is a fully automated system where barrels and buckets…
Bucket filler for auction barrels


Bucket filler for all available auction barrels and possibilities for extensions
About Havatec

It was in the year 2000 that Havatec started with the development of machines for the mushroom sector. Not long after that Havatec developed an advanced machine for the grading and bunching of flower bulbs using X-ray techniques. As from 2003, Havatec has an extensive range of machines for automated grading and bunching of flowers, for packaging flowers in boxes.

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