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Looking for reliable, UK-built vibrating screens tailored to your process? At Spiral Elevators Ltd, we design and manufacture industrial screening machines that deliver precision separation - whether you’re working with powders, granules, or wet materials.
Our Products
Vibrating Screens & Sieves Frequently Asked Questions
To separate, grade, or classify materials by size.
Use deck shapes and support bars that encourage continuous material movement. Incorporate proper deck angles, vibration patterns and feed chutes to keep product in motion and avoid flat areas where material could settle. Even feed distribution across the deck helps eliminate dead zones.
Dry or wet bulk materials including powders and granules.
Mesh sizes are fully customisable.
Yes, hygienic stainless steel designs are available.
Yes, both configurations are available.
Yes, dewatering screens are available.
Yes, replacement screens and meshes can be supplied.
Yes, enclosed designs are available for dust control.
High accuracy depending on mesh and setup.
Yes, wear-resistant designs are available.
Vibrating screens and sieves separate and grade powders, granules or wet materials. They help control particle size, remove contamination and protect downstream equipment for steadier processing.
Expanded answer: Spiral Elevators Ltd describes vibrating screens tailored for precision separation for powders, granules and wet materials.
Yes. Our cooling or dry vibrating screeners can be engineered to separate, cool and classify bulk materials, supporting particle size consistency where temperature control is important.
Expanded answer: Spiral Elevators Ltd describes a Cooling or Dry Vibrating Screener to separate, cool and classify bulk materials with precision.
Screening removes oversize or undersize material using mesh or bars. Grading typically separates into defined size fractions, often using multi deck screens with multiple discharge points.
Expanded answer: Spiral Elevators Ltd describes precision separation for powders, granules and wet materials using vibrating screens and sieves, including configurations that classify materials.
Potentially, yes. We can discuss screening solutions for wet materials and dewatering needs, but performance depends on feed moisture, particle size distribution and the required separation or dryness.
Expanded answer: Spiral Elevators Ltd states its vibrating screens are used for powders, granules or wet materials, and offers process-oriented screening solutions.
The best suppliers are manufacturers who design and build equipment in-house, offer technical support, and provide spare parts quickly. Look for companies with proven experience in bulk material handling, proper certifications, and strong case studies across industries such as food processing, recycling, aggregates, and chemicals.
Spiral Elevator Unlimited supplies vibrating screens and sieves built for reliability, efficiency, and long service life, with UK-based support and engineering expertise.
We supply a wide range of vibrating screens and sieves to suit different materials and processing needs. These include circular vibro sifters for general screening and de‑dusting, linear vibrating screens for higher throughput and precise grading, and gyratory or multi‑deck sieves for complex separation tasks. Our screens can be supplied in stainless or mild steel with a choice of mesh sizes, removable decks and hygienic finishes. They are ideal for scalping, classifying, or de‑watering powders, granules and liquids in food, chemical, pharmaceutical and recycling industries.
That depends on the product, the installation constraints, and how the screen or sieve needs to interact with surrounding equipment.
Critical site measurements include headroom, footprint, infeed and discharge heights, available service access, structural support positions and any obstacles in the immediate area.
A vibrating screen or sieve can often be retrofitted into an existing line, but accurate operating data and careful design integration are essential to avoid over- or under-specification.
It is important to gather product type, feed rate, bulk density, moisture content, particle size distribution, target separation efficiency, and details of upstream and downstream equipment before selecting a screen or sieve.
Bulk density affects loading, bed depth, support requirements, drive selection, and screening efficiency. Heavier products require more robust designs.
Higher moisture content can cause material to stick and blind the apertures; designers may specify larger apertures, different vibration amplitudes, or dewatering decks to handle moisture.
Yes. Designs can be configured to stack multiple decks vertically, use circular or elliptical motion, or integrate directly with other equipment to minimise footprint.
Most vibrating screens require a robust support frame to isolate vibration from the surrounding plant; this may include spring or rubber isolators, beams and a subframe anchored to the floor.
Consider throughput, feed presentation, bed depth, and separation efficiency; a wider machine can handle more material but must deliver consistent screening performance.
Selection is normally based on screening efficiency, aperture size, bed depth, feed presentation and product condition, along with the available layout and the performance expected from the grading or separation.
Yes, but design must account for wear, maintenance intervals, drive specification, and duty cycle to ensure reliability across extended operation.
Machines operating continuously require more robust components, heavier-duty drives and isolation, and more comprehensive maintenance allowances than those used intermittently.
Yes. Designs can include removable covers, hinged panels, quick-release fasteners, and clear access points to simplify inspection and cleaning.
You should check the structural support, space constraints, feed and discharge interfaces, access for maintenance, and make sure the machine specification matches actual process needs.
Yes. Discussing future capacity or routing changes early allows the design to incorporate features that make later upgrades or expansions easier.
Provide a suitable isolation system using springs, rubber mounts or dampers, and ensure the support structure is stiff and properly anchored to minimise vibration transfer.
Yes. Removable covers, guards and safety enclosures are often included to control dust, noise and contamination while still allowing access for maintenance and cleaning.
Common causes include incorrect aperture selection, inadequate feed presentation, inappropriate vibration amplitude or frequency, material build‑up, insufficient maintenance, and poor support or isolation.
Proper feed presentation ensures the material is evenly distributed across the deck, which maximises screening efficiency. Uneven feed can lead to reduced capacity and poor separation.
By providing a more uniform product size and removing oversize or undersize particles, a screen or sieve can deliver a consistent flow to downstream equipment, reducing blockages and fluctuations.
Options range from simple start/stop controls to fully automated monitoring of vibration, load and process conditions, along with integration into plant PLCs for interlocks and alarms.
Yes. Screens and sieves can be integrated with upstream feeders or conveyors and downstream equipment through interlocks to ensure safe sequencing, prevent overloads and underfeed, and coordinate start and stop events.
Involving the supplier early allows proper evaluation of operating data, layout constraints and process requirements. This leads to a more accurate specification and reduces the risk of costly design changes later.
Yes. With well-designed covers, dust enclosures and product containment, screens and sieves can minimise spillage and dust, making housekeeping easier and reducing clean-up time.
There should be enough space for inspection, deck changes, motor or drive replacement, and thorough cleaning. Removable panels, access platforms or walkways may be needed to reach critical components safely.
Yes. Many screens and sieves can be fabricated from stainless steel or other alloys to meet hygiene standards, resist corrosion, or match specific product requirements. Material choice should align with the product and environmental conditions.
Corrosive products may attack mild steel, so screens and sieves need to be manufactured from corrosion-resistant materials such as stainless steel, plastics or special coatings. Components like drives, fasteners and seals must also be selected for chemical compatibility to ensure long service life.
Yes. For abrasive materials, the screen or sieve should be engineered using thicker, wear-resistant materials, liners and replaceable deck sections. Additional wear plates or coatings can protect high-impact areas and extend service life.
Look beyond the headline price when comparing screen or sieve quotations. Consider the size and rating of the deck, material and finish, drive type, included accessories, support frame, installation requirements, energy usage and after‑sales support. Make sure each offer meets your process requirements.
Yes. Custom screen and sieve designs can work within limited headroom, tight footprints, unusual orientations or existing structures. Engineers can adjust deck shape, orientation, height and support arrangements to accommodate your site constraints.
Clear photos or videos of the proposed installation area — including the upstream feed point, downstream discharge, floor and ceiling heights, access walkways and product flow — help designers understand site constraints and material behaviour. This information enables a more accurate and tailored screen or sieve design.
Transfer detail between equipment is critical because poorly designed feed or discharge chutes can cause uneven loading, spillage, dust emission and reduced separation efficiency. A well‑engineered transfer ensures smooth, controlled flow into and out of the screen.
Yes. By incorporating sealed covers, side skirts, accurate feed and discharge arrangements and properly tensioned screens, a well‑designed machine can minimize spillage, dust emissions and fines leakage to help retain more product.
Cleanability can be improved by using hygienic materials and finishes such as smooth, crevice‑free stainless steel, by specifying quick‑release tensioning and removable covers for easy access, and by designing decks and chutes to minimise dead zones. Some systems also incorporate wash‑down or clean‑in‑place features to reduce manual cleaning effort.
Yes. When frequent changeovers are required, the machine can be specified with quick‑release clamps and modular screen decks, minimal hold‑up areas and easy‑clean features so that one product can be removed and another introduced with minimal downtime.
Moisture content can affect how material stratifies, its tendency to agglomerate or blind screen apertures, and influences the choice of deck type, vibration settings, and drainage features.
Yes. When floor space is tight, a compact screen or sieve can be engineered to fit the available footprint, possibly by stacking decks or using a vertical or spiral design, while still providing adequate access and performance.
Screens and sieves require a stable support structure that absorbs vibration and keeps the machine aligned. This usually includes a heavy-duty frame, isolators or springs, and secure mountings anchored to the building structure.
Yes, in many cases, but the design should be checked against the real site conditions rather than assumed from a drawing alone.
The better the operating data, the more accurately the screen or sieve can be matched to the real duty instead of being over- or under-specified.
It matters because changes in the material can alter loading, control, wear, clean ability, and the stability of the grading, de-dusting, contamination removal, or product separation.
Good design work looks at the full route into and out of the screen or sieve, not just the machine itself.
Where access, hygiene, or maintenance are important, those requirements should be built into the design from the start.
A bespoke approach usually gives stronger results when the process has awkward constraints or when standard equipment would create compromises.
Yes. The controls, access, support arrangement, and component selection can all be tailored around the production requirement.
The main aim is to improve screening duty while keeping the system practical to install, inspect, and maintain.
Selection is normally based on screening efficiency, aperture choice, bed depth, feed presentation, and product condition, together with the available layout and the performance expected from the grading, de-dusting, contamination removal, or product separation.
The mesh or aperture size is selected based on the cut point you require, the size distribution of your product, and whether you need to retain fines or remove oversize. The screening duty, capacity and cleanliness also influence the choice; specifying the right aperture ensures efficient separation.
A single deck vibrating screen has one screening surface and makes a single size separation. A multi-deck screen has multiple surfaces stacked so that each deck produces a different size fraction. This allows several separations to be achieved within one machine, improving efficiency and reducing footprint.
Yes. Vibrating screens can be designed to handle elevated product temperatures provided the construction materials, seals and drive arrangement are specified for that duty. When high temperatures are expected, it's important to specify them at the quoting stage so that heat-resistant materials, bushings and lubrication can be chosen accordingly.
The screen inclination angle affects particle velocity, stratification and screening efficiency. A steeper angle increases throughput but can reduce separation efficiency, while a shallow angle improves retention and separation. The optimum angle is selected based on the properties of your material, required throughput and desired cut point; many machines offer adjustable angles to fine‑tune performance.
A vibrating screen and a vibrating sieve both separate material by particle size using vibration, but in industry the term vibrating screen usually refers to robust separation equipment used for grading and scalping large or heavy bulk products, whereas vibrating sieve often means finer scale or hygienic sieving for powders and ingredients, so while both operate on the same principle of vibrating apertures, screens are typically larger and used to classify product into multiple fractions, while sieves are more compact and designed for precision and sanitary processing, and
An industrial screening machine is used to separate, grade or classify bulk materials according to particle size, it works by passing material over vibrating surfaces with apertures so that smaller particles fall through while oversize material travels along to be removed, this process improves product quality by ensuring consistent particle sizes, removes contaminants or oversized clumps, and ensures only the correct fraction continues to the next stage of production, making screening machines essential for recycling, mining, food processing and other industries requiring precise size separation, and
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