Test Sieves are manufactured to the current published ASTM E-11, and ISO 3310-1 specifications. The sieve grade wire cloth used in production is exclusively woven by Haver & Boecker and W.S. Tyler, assuring high quality products and consistent analysis results.

Test Sieve products are produced in a variety of diameter sizes (as detailed below), in both brass and stainless steel. W.S. Tyler serializes and supplies a Certificate of Compliance with each test sieve. Stock items include 8", 12", 3", 200mm diameters and Air Jet system sieves. A variety of Wet Wash sieve designs and a complete assortment of Top Covers and Receiver Pans are also available. Special application products include Turbidimeter Sieves and Carbon Hardness Pans. W.S. Tyler has two laboratories on-site, providing a complete selection of value-added products and services.