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Sieve Shaker and Sonic Sifters

Selecting the right lab equipment is critical to yielding accurate and repeatable particle size analysis results. Optimize your test sieve analysis process with tried and true technology.

From the industry favorite RO-TAP mechanical sieve shakers to cutting-edge sonic sifters,our comprehensive catalog will allow you to build the perfect lab setting. Engineered with personalization in-mind, these devices place things like amplitude levels, sieve stack capacity, and test duration in the hands of the user.

Allow us to guide you through your selection process so you can elevate the versatility, productivity, and accuracy of your sieve analysis process.

Which Device Is Right For You?

RO-TAP RX-29 (8 Inch)

The gold standard of RO-TAP sieve shakers that is reflected a dozens of industry standrds when using 8-inch test sieves
Dimensions
28 x 21 x 25 (71 cm x 54 cm x 64 cm)
Weight
180 lbs. (82kg)
Particle Size Range
4″ to US #635 mesh (20 um)
Test Sieve Compatability
8″ or 200mm Diameter
Test Sieve Capacity
Up to 6 full-height sieves or Up to 13 half-height sieves
Oscillations Per Minute
278 +/- 10
Taps Per Minute
150 +/- 10
Voltage
115v or 230v at 50 or 60 Hz
Learn More RO-TAP RX-29 (8 Inch)

RO-TAP RX-30 (12 Inch)

The gold standard of RO-TAP sieve shakers that is reflected a dozens of industry standrds when using 12-inch test sieves
Dimensions
28 x 21 x 25 (71 cm x 54 cm x 64 cm)
Weight
180 lbs. (82kg)
Particle Size Range
4″ to US #635 mesh (20 um)
Test Sieve Compatability
12″ or 300 Diameter
Oscillations Displacement
1-1/8″ x 7/16″
Oscillations Per Minute
278 +/- 10
Taps Per Minute
150 +/- 10
Test Sieve Stack (Full Height)
4 Sieves w/ Full Height Pan
6 Sieves w/ Half Height Pan
Test Sieve Stack (Half Height)
8 Sieves w Half Height Pan
Learn More RO-TAP RX-30 (12 Inch)

RO-TAP RX-812 Coarse Sieve Shaker

Make testing coarse material in both 8 and 12 inch sieve a breeze with our quietest RO-TAP deivce
Dimensions
23 x 15 x 13 (59 cm x 38 cm x 33 cm)
Weight
55 lbs. (25kg)
Particle Size Range
80 mesh and coarser
Oscillations Displacement
1 – 1/8 in. x 7/16 in.
Oscillations Per Minute
280 +/- (60 Hz) or 231 +/- (50 Hz)
Taps Per Minute
Oscillating movement only
8″ Test Sieve Stack (Full Height)
6 Sieves w/ Full Height Pan
8″ Test Sieve Stack (Half Height)
13 Sieves w/ Half Height Pan
12″ Test Sieve Stack (Full Height)
4 Sieves w/ Full Height Pan
12″ Test Sieve Stack (Half Height)
6 Sieves w/ Half Height Pan
Learn More RO-TAP RX-812 Coarse Sieve Shaker

RX-94 Duo

Double your testing capacity using the same tried and true funtionality of the RX-29
Dimensions
30 x 27 x 26 (75 cm x 68 cm x 56 cm)
Weight
220 lbs. (110kg)
Particle Size Range
2″to US #635 mesh (20 um)
Oscillations Displacement
1-1/8″x 7/16″
Oscillations Per Minute
278 +/- 10
Taps Per Minute
150 +/- 10
Hammer Weight
5lbs., 6 oz.
Test Sieve Stack (Full Height)
6 Sieves w/ Full Height Pan
Test Sieve Stack (Half Height)
13 Sieves w/ Half Height Pan
Learn More RX-94 Duo

RO-TAP E Pure

Efficent performance in an easy-to-use package
Amplitude
Fine and Coasre presets
Wet sieve analyis compatable
N/A
Test Sieve Compatability
8″ (200 mm)
Test Sieve Capacity
9 Full-Height Sieves
or 15 Half-Height Sieves
Particel Size Range
20 um – 125 um
Program Memory Locations
N/A
Operation Intervals
10 secs (fixed)
Voltage
110 v or 230v at 50 or 60 Hz
Weight
80 lbs
Dimmesnions
15 x 12 x 35
Learn More RO-TAP E Pure

RO-TAP E Premium

Take complete control of your testing process with this top-end RO-TAP sieve shaker
Amplitude
Adjustable up to 3 mm
Wet sieve analyis compatable
Check mark (yes)
Test Sieve Compatability
8″ (200 mm)
Test Sieve Capacity
11 Full-Height Sieves
or 15 Half-Height Sieves
Particel Size Range
22 um – 125 um
Program Memory Locations
01/-49
Operation Intervals
adjustable
Voltage
112 v or 230v at 50 or 60 Hz
Weight
88 lbs
Dimmesnions
16 x 12 x 34
Learn More RO-TAP E Premium

RO-TAP E Premium Remote

Controlled wet sieve analyis is easily with our most versatile and advanced RO-TAP device
Amplitude
Fine and Coasre presets
Wet sieve analyis compatable
N/A
Test Sieve Compatability
8″ (200 mm)
Test Sieve Capacity
10 Full-Height Sieves
or 15 Half-Height Sieves
Particel Size Range
21 um – 125 um
Program Memory Locations
01/-49
Operation Intervals
adjustable
Voltage
111 v or 230v at 50 or 60 Hz
Weight
80 lbs
Dimmesnions
15 x 12 x 34
Learn More RO-TAP E Premium Remote

Sonic Sifter

testing fine sample material has never been easier with the orginal sonic sifter separator
Test Sieve Compatability
3″ arcylic sieves
Test Sieve Capacity
7 Acrylic L3-S Series Sieves
3 Acrylic L3-M Precision Series (35um or coarser)
1 Acrylic L3-M Precision Series (30um or finer)+ 4 spacers
Dimensions
10” w x 12” d x 23” h
(25 cm x 31 cm x 61 cm)
Weight
43 lbs. (20 kg)
Testing Frequency
50 Hz or 60 Hz (fixed)
Testing Amplitude
0 to aprox. 101dB (adjustable)
Conttrols
Mechanicl Knobs
Learn More Sonic Sifter

VariSifter

This new an ipmorved iteration of the L3P sonic separaotr grants you complete control over the way your particles are sperated
Test Sieve Compatability
3″ arcylic sieves
Test Sieve Capacity
6 Acrylic L3-S Series Sieves
3 Acrylic L3-M Precision Series (35um or coarser)
1 Acrylic L3-M Precision Series (30um or finer)+ 4 spacers
Dimensions
10” w x 12” d x 23” h
(25 cm x 31 cm x 61 cm)
Weight
35 lbs. (16 kg)
Testing Frequency
15 Hz to 60 Hz (adjustable)
Testing Amplitude
0 to 100% (adjustable)
Conttrols
Touch Panel
Learn More VariSifter

Explore Sieve Shaker Accessories

Boost the productivity of your sieving process with a catalog of RO-TAP accessories that inspire innovation.

Learn more ›

RO-TAP Sieve Shaker Maintenance Kit

To ensure lasting dependable service Sieve Shakers must occasionally be upgraded with parts that are long-wearing, durable and cost effective. Maintenance kits are available for the replacement of parts due to normal wear and tear.

RO-TAP Sound Enclosure

This cabinet/test stand is designed to reduce the operating noise levels of RX-29, RX-30, and RX-812 RO-TAP sieve shakers. Fabricated from 18 gauge steel with a 1” metal face, these sound enclosures are outfitted with acoustic foam, reducing noise levels from 85 to 78 dB.

RO-TAP Test Stand

The W.S. Tyler RO-TAP Test Stand is designed to provide a secure testing platform for your RO-TAP device. Outfitted with pre-drilled holes, this test stand allows RO-TAP sieve shakers to be bolted down, preventing the device from shifting during operation.

Sampling Splitter

W.S. Tyler sample splitters are designed with precision in mind. This instrument facilitates accurate and repeatable results by accurately and efficiently splitting bulk samples.

Sieve Conversion Kit

The RO-TAP Sieve Conversion Kit enables RO-TAP users to utilize different test sieve diameters with a single sieve shaker. The kit consists of two inserts, one on top of the test sieve stack and one at the bottom.

These inserts essentially wedge test sieves with a diameter too small for the sieve shaker housing, allowing the sieve stack to function correctly.

Wet Test Sieving Kit

The W.S. Tyler Wet Sieve Kit is an assortment of hardware designed to enable wet sieving capabilities using standard RO-TAP devices. This specialized kit includes everything you need to test material suspended in water accurately.

The included water reservoir allows complete control over the water flow, ensuring accurate and repeatable wet-sieving results. Most importantly, this kit’s components are constructed using high-quality materials, which allow them to withstand heavy exposure to liquid without deteriorating.

Sieve Shakers Parts

Looking For Particle Analysis Equipment?

From the mining to the pharmaceutical infustires, accurate particle size analysis is critical to product quality and efficiency. For over 150 yeas, W.S. Tyler strived to manufacturer and supply a wide range of test sieve, sieve shaker, dynamic image analysis, and vibrating screen solutions so you can furnish you lab with equipment that delivers.

Regardless if you are following ASTM or ISO standards, these cutting-edge solutions are engineered to help you achieve controlled and uniform results. After all, empowering yourself to change the way you sieve, shake, and screen material starts with a tailored lab environment.

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Essential Product Information For You

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Undeniable Precision

Each sieve shaker offred by W.S. Tyler is crafted t ensures efficient particle movement. No matter what your process looks like, there is a device  producing accurate results.

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Worldwide Accessibility

W.S. Tyler has become a trusted supplier of particle analysis equipment in North America. Our global distributors provide access to the same industry-leading precision internationally.

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Get Your Results Verified

Sometimes you may feel unsure about the accuracy of your particle analysis results.  Send us a sample of your material and allow our professional lab to verify your findings.

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Perfect your lab setting. 


Shop and refine the accuracy of your particle analysis results.

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