Mechanical Sieves
Mechanical Sieves
Mesh device used to strain solids from liquids and manually separate particles by size; sieves can be constructed of metal or plastic. Products include sets, macro and micro sieve sizes, sifters and beads, etc.
What Is a Sieve?
Sieves are mesh strainers. They are typically round, with solid metal walls connected to a woven metal screen. They are often used with sieve receivers that collect the material that falls through the sieve. To prevent loss and contamination of the material, it can be protected by a sieve cover. Sieve covers are also necessary for covering the top sieve when multiple sieves are stacked on a laboratory shaker.
What Is Sieving?
Sieving is a technique for separating a sample into particles of different sizes. Sieving can be used to separate stones from sand and is used in the food industry to help eliminate contamination by foreign bodies.
Analysis by sieving may require a single sieve or a set of mesh sieves, arranged by decreasing size of the mesh openings. Air flow, liquid, vibration, or another mechanical method is used to move the sample particles through the screens.
Critical variables include sample size, agitation parameters, duration, and end point determination. Sample properties, like hygroscopic or electrostatic tendencies, can present analytical challenges, and some samples may need to be suspended in a liquid for accurate measurement.
Types of Sieves
Sieve frames and meshes may be stainless steel or brass. Common diameters are 3, 8, and 12 in. and 200 and 300mm; non-standard sieves may have other diameters, including 6, 10, and 18 in. Heights range from 1 to 9 in. and may be designated as full, intermediate, or half-height.
ASTM E-11 establishes criteria and tolerances for the openings in the woven wire mesh for standard sieve sizes. Some sieves are also traceable to NIST or must meet ISO 3310-1.
Fisherbrand™ Setaccio per analisi in acciaio inox con rete in filo intrecciato
Made from stainless steel and available in a wide variesty of sizes. Fisherbrand™ Stainless Steel Test Sieve with Woven Wire Mesh has an 100 mm diameter.
Fisherbrand™ Setaccio per analisi in acciaio inox con rete in filo intrecciato
Realizzato in acciaio inox, disponibile in un'ampia varietà di formati. Il setaccio per test in acciaio inox con rete in filo intrecciato Fisherbrand™ ha un diametro di 200 mm.
Fisherbrand™ Setacci in acciaio inox, diam. 200 x H 50 mm, con fori micrometrici
Utilizzare per separazione, frazionamento, determinazione delle dimensioni di particelle. Questi setacci in acciaio inox hanno un'altezza interna di 50 mm e un diametro di 200 mm. Sono disponibili in un'ampia gamma di diametri dei pori, inferiore a 1mm.
Fisherbrand™ Stainless-Steel Test Sieves, 200 Dia. x 50 mmH, Pore sizes greater than 10 mm, ISO 3310/1
Use for separation, fractioning, or particle size determination. These stainless-steel test sieves have an internal height of 50 mm and diameter of 200 mm. Available in a wide range of pore sizes larger than 10 mm.
Fisherbrand™ Stainless Steel Receiver For Test Sieves
Per la raccolta di materiali lavorati tramite setacci per analisi Fisherbrand™ in acciaio inox.
Endecotts™ Woven Wire Mesh Sieve
Available in a variety of diameters and apertures
Endecotts™ 100 mm Diameter Stainless Steel Frame and Wire Mesh Test Sieves
Use these test sieves for all types of laboratory sampling and particle size analysis. Endecotts™ Stainless Steel Frame Test Sieves can be supplied with aperture sizes ranging from 125 mm down to 20 microns in full and half height versions.
Bel-Art™ Set di setacciatori micro SP Scienceware™ Mini-Sieve
Facilità di utilizzo portatile in laboratorio e sul campo
RETSCH Stainless-Steel Test Sieve, 200 Dia. x 25 mmH, Pore sizes in micrometers, ISO 3310/1
Use for separation, fractioning, or particle size determination. These stainless-steel test sieves have an internal height of 25 mm and diameter of 200 mm. Available in a wide range of micrometer pore sizes.
Endecotts™ Telaio in acciaio inox con diametro di 200 mm e setacci con rete metallica intessuta
Full height test sieves provide all types of laboratory sampling and particle size analysis. Endecotts™ Stainless Steel Test Sieves, 200 mm dia. comply with ISO 3310-1 / BS410 standards.
Linker Industrietechnik™ Stainless Steel Test Sieves
Constructed with a soft solder seam, and a sieve of stainless steel cloth.
