ISO Test Sieves

Gilson's 200mm and 300mm diameter ISO test sieves meet ISO 565 and 3310-1 specifications for Compliance Sieves. Gilson offers all ISO 565 mesh sizes available. Every ISO sieve is fitted with a rubber O-ring for a dust-free seal when nested in a sieve stack. Many ISO opening sizes and tolerances are equivalent to ASTM E11 sizes. Verification of New Sieves upgrades ASTM and ISO Test Sieves to Inspection or Calibration grade.

ISO Test Sieves
Sieves		Qty	Sieve Verification
	200mm Sieve, All Stainless, Full-Height, 25µm with Backing Cloth Model: V200SF 25U BU Price: $260.50
	200mm Sieve, All Stainless, Half-Height, 25µm Model: V200SH 25U Price: $240.50
	200mm Sieve, All Stainless, Half-Height, 25µm with Backing Cloth Model: V200SH 25U BU Price: $260.50
	200mm Sieve, Brass/Stainless, Full-Height, 25µm Model: V200CF 25U Price: $315.00
	200mm Sieve, Brass/Stainless, Full-Height, 25µm with Backing Cloth Model: V200CF 25U BU Price: $342.50
	200mm Sieve, Brass/Stainless, Half-Height, 25µm Model: V200CH 25U Price: $315.00
	200mm Sieve, Brass/Stainless, Half-Height, 25µm with Backing Cloth Model: V200CH 25U BU Price: $342.50
	200mm Sieve, All Stainless, Full-Height, 20µm Model: V200SF 20U Price: $538.00
	200mm Sieve, All Stainless, Full-Height, 20µm with Backing Cloth Model: V200SF 20U BU Price: $558.00
	200mm Sieve, All Stainless, Half-Height, 20µm Model: V200SH 20U Price: $538.00
	200mm Sieve, All Stainless, Half-Height, 20µm with Backing Cloth Model: V200SH 20U BU Price: $558.00
	200mm Sieve, Brass/Stainless, Full-Height, 20µm Model: V200CF 20U Price: $761.50
	200mm Sieve, Brass/Stainless, Full-Height, 20µm with Backing Cloth Model: V200CF 20U BU Price: $789.00
	200mm Sieve, Brass/Stainless, Half-Height, 20µm Model: V200CH 20U Price: $761.50
	200mm Sieve, Brass/Stainless, Half-Height, 20µm with Backing Cloth Model: V200CH 20U BU Price: $789.00

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Our ISO Sieves are available with stainless steel frames and mesh, or brass frames with stainless steel mesh in full-height or half-height frames. High-quality all-stainless steel sieves offer long service life and reduce specimen contamination. Half-height frames allow more sieves to be used in a stack.

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Sample volume and particle size determine proper frame diameter and height. Material is processed more efficiently and accurately on a sieve with more surface area, and blinding is reduced. The thickness of a specimen fraction on the mesh of a sieve should be no more than a couple of particles or layers deep. Frame height must permit proper agitation of the specimen, allowing larger particles enough room to reorient to the mesh surface.

Backing Cloth is an add-on purchase option to prevent sagging or tearing and improves service life for finer mesh sieves. A 500µm stainless steel mesh reinforcement is added to the test sieve below the primary sieve cloth, increasing the strength of the primary sieve cloth and reducing distortion of the openings during use. Backing Cloth is available at an extra cost for sieves with stainless steel mesh finer than 212µm on 200mm or 300mm diameter framed sieves. When ordering, these specially made sieves can be found with a "BU" suffix in the model number. These sieves are made-to-order and are non-returnable. To specify with other diameters, please contact Customer Service.
Gilson ISO Compliance sieves are supplied with a serial number and Compliance certificate. The certificates do not verify measurements of an individual sieve, but that the wire cloth and manufacturing methods comply with ISO requirements. Inspection (99.0% confidence) or Calibration (99.73% confidence) Services individually measure sieves, and these services can be added to increase confidence that the sieve meets ISO standards.
To upgrade from Compliance to Inspection or Calibration Verification Services, please select from the Sieve Verification & Services drop-down menu.

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