FILE · CASE_ARCHIVE.INDEX
S/01 · Project archive

Case histories,
documented and delivered.

Real projects, real clients, measurable outcomes. A working archive of Stellex installations — challenge, solution, results, benefits — across every industry we serve.

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CASE / Project Archive
REFERENCE DOSSIER · ALL INDUSTRIES
19 CASES
Case histories
REF · CASE-ARCHIVEMADE IN INDIA
19Case studies
4Industry sectors
MeasuredResults
18+ yrsEngineering
S/02 · Food & Beverages

6 cases. From the archive.

Installations delivered for the food & beverages sector — every project documented from challenge to benefit.

CASE / 01CLIENT · Leading Chocolate Manufacturer

Cocoa Powder Handling in a Confectionery Plant

Challenge

Needed a solution for transferring cocoa powder from storage to mixing tanks without contamination or product loss.

Solution
  • SS 316 screw conveyor with sealed bearings and nitrogen purging
Results
  • Zero contamination risk
  • Reduced dust loss by 95%
  • Improved product flow despite cocoa’s cohesive nature
Benefits
  • Improved Hygiene – Enclosed systems prevent contamination
  • Better Quality Control – Consistent material handling reduces variation
  • Lower Operational Costs – Reduced manual handling and faster cleaning
  • Scalability – From small artisanal setups to large-scale automated plants
CASE / 02CLIENT · Cocoa Processor

Cocoa Cooling Conveyor

Challenge

Needed to cool 2 TPH of cocoa powder from 90°C to 45°C before packaging.

Solution
  • SS 316 hollow-flight screw conveyor
  • Chilled water circulation system at 2°C
  • Adjustable speed drive for precise cooling time
Results
  • Consistent cooling across all batches
  • Reduced product sticking
  • Increased packaging efficiency by 20%
Benefits
  • Improved Hygiene – Enclosed systems prevent contamination
  • Better Quality Control – Consistent material handling reduces variation
  • Lower Operational Costs – Reduced manual handling and faster cleaning
  • Scalability – From small artisanal setups to large-scale automated plants
CASE / 03CLIENT · Wheat Processing Plant (200 TPD)

Wheat Flour Mill

Challenge

Needed an enclosed, low-maintenance solution to replace belt conveyors prone to dust leakage.

Solution
  • SS 304 screw conveyors for flour transfer from roller mills to packaging lines
  • Dust-tight design with inspection hatches
  • Quick-clean covers for hygiene compliance
Results
  • Dust emissions reduced by 85%
  • Product loss minimized
  • Improved plant hygiene and safety compliance
Benefits
  • Improved process efficiency and automation
  • Reduced labor and manual handling
  • Better hygiene and dust control
  • Longer equipment life due to durable materials
  • Flexibility for multiple grain types and processing stages
CASE / 04CLIENT · Confectionery Manufacturer

Sugar Powder Packaging Line

Challenge

Faced dust buildup around their sugar packaging area, causing hygiene issues and increased cleaning time.

Solution
  • SS 316 enclosed screw conveyors
  • Sealed inlet and discharge points
  • Integrated dust collector at discharge hopper
Results
  • 95% reduction in airborne dust
  • Faster cleaning cycles
  • Improved compliance with hygiene audits
Benefits
  • Improved Hygiene – Enclosed systems prevent contamination
  • Faster and easier cleaning
  • Compliance with audit requirements
CASE / 05CLIENT · Spice Processing Unit (3 tons/day)

Turmeric Powder Plant

Challenge

Faced challenges with dust leakage and flavor loss in open belt conveyors.

Solution
  • SS 316 fully enclosed screw conveyors
  • Dust-tight design with gasketed inspection hatches
  • Variable speed drives for feeding control
Results
  • Dust levels reduced by 90%
  • Improved aroma retention in packaged spices
  • Faster cleaning between product changeovers
Benefits
  • Improved hygiene and flavor retention
  • Reduced cleaning downtime
  • Better quality packaged products
CASE / 06CLIENT · Grain Processor (20 TPH facility)

High-Capacity Grain Handling System

Challenge

Required conveyors to feed multiple silos and milling units during plant upgrade.

Solution
  • SS 304 screw conveyors, 500 mm diameter, 12 m length
  • Heavy-duty hanger bearings for continuous operation
  • Integrated variable frequency drives for flow control
Results
  • Reduced equipment footprint by 25%
  • Increased throughput without additional labor
  • Continuous, reliable operation with minimal downtime
Benefits
  • Longer equipment life due to durable construction
  • Greater automation and throughput
  • Flexibility for future expansion
S/03 · Breweries & Distilleries

5 cases. From the archive.

Installations delivered for the breweries & distilleries sector — every project documented from challenge to benefit.

CASE / 01CLIENT · Craft Brewery

Malt Transfer in a Craft Brewery

Challenge

Needed to move milled malt from the mill room to the mash tun while maintaining grain integrity and preventing dust escape.

Solution
  • SS 304 enclosed screw conveyor with a gentle pitch
  • Dust collection integration at loading points
  • Quick-release covers for easy cleaning
Results
  • 25% faster mash tun loading time
  • Zero dust complaints from staff
  • Consistent wort quality batch after batch
Benefits
  • Maintain ingredient quality for better final product taste
  • Reduce waste and improve yield
  • Ensure compliance with food safety and dust safety regulations
  • Lower cleaning time between production runs
CASE / 02CLIENT · Whiskey Distillery

Yeast Feeding in a Whiskey Distillery

Challenge

Needed to convey dry active yeast from storage to fermentation tanks without contamination or exposure to moisture.

Solution
  • SS 316 fully enclosed screw conveyor with polished internals
  • Nitrogen purging option to prevent moisture absorption
  • Dosing screw design for precise yeast quantities
Results
  • Improved fermentation consistency
  • Zero microbial contamination in QA reports
  • Faster batch changeovers due to easy cleaning design
Benefits
  • Preserve ingredient quality and freshness
  • Meet global food safety standards (FDA, FSSAI, EHEDG)
  • Minimize waste with precise dosing
  • Reduce cleaning and changeover times
CASE / 03CLIENT · Mid-Sized Brewery (20,000L/week)

Spent Grain Management in Brewing

Challenge

Manual removal of spent grain from lauter tun was slow, labor-intensive, and unhygienic.

Solution
  • SS 304 enclosed screw conveyor with integrated drainage section
  • Direct discharge into farmer’s feed truck
  • Easy-clean removable covers for hygiene
Results
  • Reduced grain removal time from 2 hours to 15 minutes
  • Lowered labor requirements by 50%
  • Improved hygiene and safety in the brewery
Benefits
  • Faster and cleaner waste handling
  • Reduced labor and operational costs
  • Support for sustainability through easier byproduct reuse
  • Improved hygiene and reduced contamination risk
CASE / 04CLIENT · Regional Brewery (500,000L/year)

Transition from Batch to Continuous Brewing

Challenge

Switching from 5,000 L batch brewing to a continuous brewing line required automated grain feeding and waste removal.

Solution
  • Multiple SS 316 screw conveyors with sanitary finishes
  • Automated grain feeding systems synced with milling and mashing equipment
  • Spent grain conveyors integrated with continuous waste removal
Results
  • Production output increased by 35%
  • Reduced labour costs by 20%
  • Consistent flavour profile across all production runs
Benefits
  • Flexible design for both batch and continuous setups
  • Improved hygiene and reduced contamination risk
  • Increased efficiency and reduced manual labor
  • Consistent ingredient handling for better product quality
CASE / 05CLIENT · Multiple Breweries & Distilleries

Improving Safety & Efficiency in Brewery Material Transfer

Challenge

Manual handling of grains, sugar, and spent grain led to safety risks, dust exposure, and cross-contamination.

Solution
  • Automated SS screw conveyors for bulk material transfer
  • Fully enclosed design to prevent dust escape
  • Slip prevention by direct wet byproduct transfer to disposal areas
Results
  • Faster production cycles with fewer manual delays
  • Reduced labor costs and accident rates
  • Cleaner, safer, and more compliant work environments
Benefits
  • Protect worker health and meet OSHA/ATEX regulations
  • Prevent cross-contamination and dust hazards
  • Boost productivity with consistent ingredient flow
  • Compliance with FSSAI, FDA, and food safety standards
S/04 · Plastics & Polymers

4 cases. From the archive.

Installations delivered for the plastics & polymers sector — every project documented from challenge to benefit.

CASE / 01CLIENT · Masterbatch Manufacturer

Masterbatch Handling in an Extrusion Plant

Challenge

Needed to move color-additive pellets to an extrusion line without contamination or damage.

Solution
  • SS 316 enclosed screw conveyor with gentle flights
  • Dust-tight seals to prevent powder release during pellet coating
  • Quick-access cleaning panels for rapid color changeovers
Results
  • Zero pellet degradation in quality checks
  • Faster production changeovers by 30%
  • Reduced waste and cleaning downtime
Benefits
  • Maintain pellet integrity for high-quality output
  • Reduce dusting and environmental hazards
  • Improve plant cleanliness and safety
  • Meet food and medical-grade compliance requirements when needed
CASE / 02CLIENT · Polymer Compounding Unit

Polymer Powder Transfer to Compounding Mixer

Challenge

Needed to transfer fine polymer powder to mixing hoppers without creating dust or risking contamination.

Solution
  • SS 304 enclosed screw conveyor with sealed bearings
  • Gentle pitch flight design to prevent surging
  • Quick-disassembly covers for color and resin changeovers
Results
  • Minimal dusting during transfer
  • No cross-contamination in product batches
  • Reduced changeover and cleaning time
Benefits
  • Dust-free, clean operation for improved worker safety
  • Consistent batch quality
  • Faster product changeover cycles
  • Compliance with food and safety standards
CASE / 03CLIENT · Injection Molding Manufacturer

Plastic Pellet Conveying for Injection Molding Plant

Challenge

Required reliable pellet transfer from silos to injection molding machines while minimizing pellet breakage and surges.

Solution
  • Variable-pitch SS 304 screw conveyors sized for high throughput
  • Anti-wear flights for abrasive pellets
  • Enclosed housing to prevent pellet loss
Results
  • Uniform, surge-free material flow
  • Significantly reduced pellet breakage and waste
  • Stable machine feed rates
Benefits
  • Greater process stability and automation
  • Reduced downtime and material losses
  • Higher product quality in finished parts
CASE / 04CLIENT · Plastics Recycling Plant

Recycled Flake & Regrind Transfer System

Challenge

Needed to convey recycled flakes and regrind to extrusion lines with minimal contamination and equipment wear.

Solution
  • Wear-resistant alloy screw conveyors with variable speed control
  • Fully enclosed design to prevent dust and cross-contamination
  • Temperature monitoring for heat-sensitive regrind
Results
  • Lower maintenance and cleaning costs
  • No dust escape or product contamination
  • Efficient, flexible transfer of multiple regrind materials
Benefits
  • Longer conveyor life for abrasive materials
  • Cleaner, safer plant environment
  • Supports circular economy and recycling goals
S/05 · Chemicals

4 cases. From the archive.

Installations delivered for the chemicals sector — every project documented from challenge to benefit.

CASE / 01CLIENT · Pigment Manufacturer

Pigment Handling in a Specialty Chemicals Plant

Challenge

Needed to convey paint pigment, a fine and abrasive powder that causes corrosion over time.

Solution
  • SS 316 polished screw conveyor with heavy-duty flights
  • Dust-tight sealing system to prevent pigment escape
  • Quick-disassembly covers for easy cleaning during colour changes
Results
  • 30% reduction in downtime
  • Extended equipment lifespan by over 3 years
  • Consistent product quality without contamination
Benefits
  • Long service life in corrosive environments
  • Reduced maintenance and downtime
  • Improved product purity
  • Compliance with safety and hygiene standards
CASE / 02CLIENT · Global Tire Manufacturer

Carbon Black Handling in Rubber Manufacturing

Challenge

A global tire manufacturer needed a safe way to convey carbon black from bulk storage to mixers.

Solution
  • SS 316 enclosed screw conveyor with anti-static UHMW liners
  • ATEX Zone 20 compliance for internal powder handling
  • Dust extraction ports integrated at inlet and discharge points
Results
  • 100% dust containment
  • Zero explosion incidents in 5+ years of operation
  • Reduced operator exposure to hazardous material
Benefits
  • Reduced risk of explosions and fire hazards
  • Compliance with global safety regulations (ATEX, NFPA, OSHA)
  • Safer working environment for plant personnel
  • Protection of surrounding equipment from contamination and abrasion
CASE / 03CLIENT · Renewable Energy Company

Biomass-to-Biofuel Pellet Plant

Challenge

A renewable energy company needed to convey rice husks and chemical binders to a pelletizing press.

Solution
  • SS 316 enclosed screw conveyor with UHMW liners for abrasion control
  • Moisture-resistant design with self-cleaning flights
  • Dust extraction points to maintain air quality
Results
  • Increased throughput by 18%
  • Reduced wear-related downtime by 40%
  • Improved pellet quality due to consistent feed rate
Benefits
  • Extended equipment life in abrasive, moist environments
  • Lower maintenance costs due to corrosion and wear resistance
  • Cleaner, safer plant environment with reduced dust emissions
  • Compatibility with high-temperature pyrolysis and drying systems
CASE / 04CLIENT · Global Tire Manufacturer

Rubber Manufacturing Carbon Black Feeding

Challenge

A global tire manufacturer was facing excessive wear and dust escape when feeding carbon black to their mixers.

Solution
  • SS 316 screw conveyor with abrasion-resistant flight edges
  • Dust-tight seals at all junctions
  • ATEX-compliant anti-static design to prevent ignition risks
Results
  • Increased equipment lifespan by 3+ years
  • 100% dust containment
  • Cleaner plant environment and safer working conditions
Benefits
  • Longer equipment life due to wear-resistant construction
  • Cleaner, safer working conditions with full dust containment
  • Improved product yield by reducing material loss
  • Compliance with safety regulations (ATEX, OSHA)
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