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The Ro-Tap®  Sieve Shaker is the industry standard in test sieve shakers.

It employs a unique two-dimensional operation:  a horizontal, circular motion and a vertical, tapping motion.  This special action allows material particles to stratify and “seek” critical openings in the test media.  The unit provides the most accurate and consistent particle analysis testing.

The RX-29 Model is designed for testing with 8-inch diameter test sieves.  The RX-30 Model is designed for testing with 12-inch diameter test sieves.

The RX-29 Model is designed for testing with 8-inch diameter test sieves.  The RX-30 Model is designed for testing with 12-inch diameter test sieves.

  • Testing applications – RX-29:  2-in. down through 635 mesh (20 micron)
  • Testing applications – RX-30:  4-in. down through 500 mesh (25 micron)
  • Requires minimul maintenance
  • Heavy-duty use
  • Features 99 minute digital timer/clock
  • Each unit is test run and serialized prior to shipment
  • Oscillations per minute:  278 +/-10
  • Oscillation displacement:  1 – 1/8″ x 7/16″
  • Taps per minute:  150 +/-10
  • Hammer weight:  5 lb, 6 oz
  • Unit measures 28″ x 21″ x 25

RX-29 Model

Motor

RX-29

1725 RPM / 60 Hz / 115 V / 8” Sieves

RX-29-16

1725 RPM / 60 Hz / 230 V / 8”Sieves

RX-29-10

1425 RPM / 50 Hz / 230 V / 8” Sieves

RX-29-2

1425 RPM / 50 Hz / 115 V / 8” Sieves


FAQ

What is the key feature of the RX-29 sieve shakers?

It provides a unique two-dimensional operation - a horizontal circular motion combined with a vertical tapping motion. This allows particles to stratify and pass through the appropriate sieve openings for accurate particle size analysis.

What sieve sizes can the RX-29 accommodate?

The RX-29 can hold up to 6 full height (2 inch deep) 8-inch diameter sieves or 13 half height (1 inch deep) 8-inch sieves.

What particle size range can the RX-29 test?

The RX-29 can test particles from 2 inches down to 635 mesh (20 microns).

What is the RX-29’s oscillation rates?

It operates at 278 ± 10 oscillations per minute. The RX-29 has a 1 inch x 0.75 inch displacement.

What are the tapping rates?

The RX-29 provides 150 ± 10 taps per minute with a 5 lb 6 oz hammer weight.

Do they have automatic timers?

Yes, the RX-29 comes with a built-in 30 minute automatic timer.

What are the power requirements?

The standard models require 110V/60Hz power supply. 220V 50/60Hz models are also available.

What standards does the RX-29 conform to?

The RX-29 conforms to ASTM C136, C702, D6913 and other international sieve analysis standards.


Warranty: Warranty is 1 year on all Ro-Taps and limited to quality or workmanship issues. Machine will be repaired or replaced within that period.