ASTM Sieves - Humboldt MfgU.S.A. Standard ASTM Sieves Series Looking for sieves? Humboldt stocks an extensive offering of sieves for use in all types of sieve testing applications, from sampling and classification of soils, aggregates and other powdered and granular materials to specific ASTM standard tests. Humboldt carries an extensive inventory.هومبولت تهتز الشاشات,High Frequency Vibrating ScreenMay 2, 2017 . High frequency screen consists of a vibrator, pulp distributor, screen frame,rack,suspension spring, mesh and other components. It has the advantages of high efficiency, small amplitude and high screening frequency, and is an effective equipment for screening and grading of fine materials. It is widely used.
هومبولت تهتز الشاشات