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WS Tyler Test Sieves


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Available in all standard ASTM & ISO mesh sizes

WS Tyler Test Sieves come in all standard mesh sizes (ASTM) from 125mm down to 20um. Both brass and stainless steel mesh are available. Frames come in either brass or stainless steel construction, with diameters from 3” to 18”, or the popular 200mm and 300mm sizes. Each sieve is serialized and supplied with an individual Certificate of Compliance.

Extensive range & accessories

A variety of Wet Wash and Air Jet sieve designs and a complete assortment of Top Covers and Receiver Pans are also available. Special application products include Turbid meter Sieves and Carbon Hardness Pans for use with throw-action sieving, horizontal sieving, tapping sieving and sonic sieving.

See which Test Sieve will suit your needs here

See our comparison chart in the technical specifications panel to see which Test Sieve is right for you. If you do not know our staff will help you find what you are after.  Tyler have been fabricating wire screening products for over 60 years. The original design still remains today’s standard. These quality sieves can be used with all makes of vibrating equipment in mineral, food, chemical, plastics and general industrial applications.

W.S. Tyler Document of Certification

W.S. Tyler Certified, Certified Plus and Matched Test Sieves are examined to meet ASTM and ISO specifications. The openings of the sieves are measured with a computerized video imaging system. Products are then serialized and supplied with NIST traceable documents, including statistical information on opening sizes and wire diameters. Shown here is a typical Document of Certification and descriptions of the terms used. 

A- Dimension Reference Number 

1 = Wire Diameter “x” direction 
2 = Aperture Size “x” direction 
3 = Wire Diameter “y” direction 
4 = Aperture Size “y” direction 

B- Sample Size* = Number of apertures or wire diameters
measured

C- Upper Spec. = Aperture size per ASTM E11 specification,
plus tolerance

D- Lower Spec. = Aperture size per ASTM E11 specification,
minus tolerance

E- Nominal = Specified aperture size, per ASTM E11 specification

F- Standard Deviation = A numerical value that measures
“spreading” tendency, a deviation of the values from
their mean (average)

G- Max. Measured = The largest aperture or wire diameter
measured

H- Min. Measured = The smallest aperture or wire diameter
measured

I- Range = The difference between the “max” and “min”
above (rounded)

J- Mean = Average aperture size or wire diameter measured

K- Description = Test sieve designation/ mesh size

L- Serial No. = Identification number of test sieves

M- Histogram = Graphic presentation of values measured
vs. corresponding number of apertures examined

Over 400+ Test Sieves in Stock!