Sieves & Sieve Shakers
Precision particle size distribution analysis equipment, featuring highly accurate woven wire test sieves and robust mechanical shakers for laboratory and industrial grading.
Primary Applications
Geotechnical Labs Pharmaceutical QC Food & Beverage Mining & Metallurgy Cement Plants
Analytical Focus
Particle Size Distribution Aggregate Gradation Dry & Wet Sieving Powder Classification Quality Control Validation
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Test Sieves
- Precision woven wire mesh for accurate particle sizing.
- Available in various diameters (200mm, 300mm, 450mm).
- Essential for basic laboratory gradation analysis.
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Stainless Steel Sieves
- Highly durable SS 304/316 frames and mesh.
- Corrosion-resistant, ideal for wet sieving and harsh chemicals.
- Ensures long-term aperture integrity and hygiene.
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Brass Frame Sieves
- Classic spun brass frames with stainless steel or brass mesh.
- Non-sparking properties for specific industrial applications.
- Provides a sturdy, seamless fit when stacked on shakers.
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ASTM Standard Sieves
- Manufactured strictly to ASTM E11 specifications.
- Guarantees aperture accuracy for global compliance.
- Used extensively in US and international geotechnical protocols.
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IS Standard Sieves
- Compliant with Indian Standards (IS 460).
- Essential for civil engineering and construction material testing in India.
- Available in woven wire and perforated plate formats.
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Vibro Sieve Shakers
- Utilizes high-frequency 3D vibratory motion.
- Ensures rapid and complete separation of fine powders.
- Quiet operation, ideal for pharmaceutical and food labs.
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Motorized Sieve Shakers
- Heavy-duty mechanical gyratory action with tapping.
- Designed for heavy aggregates, soils, and coarse materials.
- Accommodates large stacks of 8-inch to 12-inch sieves.
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Electromagnetic Shakers
- Advanced, maintenance-free electromagnetic drive.
- Adjustable amplitude for precise control over sieving intensity.
- Ideal for delicate particles and strict analytical repeatability.
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Rotary Sieve Shakers
- Combines rotary and tapping actions to prevent mesh blinding.
- Highly efficient for dry, coarse materials like coal and ores.
- Robust construction for continuous industrial use.
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Wet Sieve Analysis
- Specialized equipment for washing away fine clay and silt particles.
- Includes extra-deep wash sieves and liquid collection pans.
- Essential when dry sieving fails due to agglomeration.
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Air Jet Sieve Shakers
- Utilizes a controlled vacuum to pull fine particles through the mesh.
- The ultimate solution for ultra-fine, cohesive powders (down to 10µm).
- Eliminates mesh blinding without mechanical stress on particles.
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Laboratory Sieve Shakers
- Compact, programmable units for daily quality control tasks.
- Digital timers and continuous/intermittent operation modes.
- Provides consistent, repeatable gradation curves.
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Particle Size Analysis Equip
- Comprehensive setups for charting material distribution.
- Ensures compliance with strict manufacturing tolerances.
- Crucial for optimizing chemical reactions and material strength.
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Aggregate & Soil Sieves
- Heavy-duty perforated plate sieves for coarse aggregates.
- Used for classifying gravel, sand, and foundation soils.
- Essential for concrete mix design and road construction.
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Pharmaceutical Sieves
- Ultra-hygienic design with no crevice for powder entrapment.
- Strictly calibrated for Active Pharmaceutical Ingredient (API) testing.
- Easily sterilizable for cleanroom environments.
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Industrial Screening Equip
- Large scale vibrating screens for continuous process classification.
- Used in cement, coal, and bulk material handling facilities.
- Engineered to withstand massive, continuous throughput.
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Particle Size Metrology & PSD
Particle Size Distribution (PSD) is arguably the most critical physical parameter in material science. From the compressive strength of concrete to the dissolution rate of pharmaceutical tablets, proper sieving methodology dictates final product quality and regulatory compliance.
Aperture Accuracy (ASTM/ISO)
Compliance StandardsNot all meshes are created equal. Professional test sieves are optically verified to meet exact tolerances defined by ASTM E11 or ISO 3310-1. Even microscopic deviations in wire thickness can skew a gradation curve, causing thousands of dollars in rejected material.
Mechanical vs. Vibro Shaking
Drive TechnologyHeavy aggregates require the violent tapping of mechanical shakers to force particles through the mesh. Conversely, fine powders (like flour or pharmaceuticals) require the high-frequency, 3D throwing motion of electromagnetic vibro-shakers to prevent mesh blinding.
The Cohesive Powder Problem
Air Jet SievingWhen particles drop below 50 microns, electrostatic forces and moisture cause them to agglomerate (clump together), making traditional shaking useless. Air jet sieving uses a rotating vacuum wand to pull individual particles through the mesh, resolving the issue.
Wet Washing Mechanics
Silt & Clay RemovalWhen analyzing soil or dirty aggregates, fine clay particles act like glue, sticking to larger stones and blinding standard sieves. Wet sieving washes the sample over a 75-micron sieve, flushing out the fines before the remaining aggregate is dried and mechanically sieved.
Sieve Selection & Shaker Matrix
| Material Type | Typical Size Range | Recommended Sieve Type | Optimal Shaker Technology |
|---|---|---|---|
| Coarse Aggregates / Rocks | 4.75mm to 100mm | Perforated Plate / Heavy Wire | Motorized Mechanical with Tapping |
| Sand & Fine Soils | 75µm to 4.75mm | Stainless Steel Woven Wire | Electromagnetic Vibro Shaker |
| Cement / Fine Powders | 20µm to 100µm | High-Precision Woven Wire | Air Jet Sieve Shaker |
| Dirty/Clay-Heavy Soils | < 75µm removal | Deep Frame Wash Sieves | Manual Wet Washing Station |
| Active Pharmaceuticals | Varies (High Purity) | Crevice-Free Stainless Steel | Electromagnetic (Low Noise) |