RBF-15/22 Double-Deck (22″ Screen Diameter).
Model RBF 15/24 with Standard 24″ Diameter Contact Parts.
RBF-15 Model with Self-Feed Hopper.
RBF-15 Model with Feed Hopper.

RBF-15 Model with ½ Scroll Mounted to the Screen and Continuous Oversized Solids Discharge Outlets.
RBF-15 Model with Oversized Discharge.
Model RVF 15 with Feed Hopper.
Model RBF 15 with Sanitary Clamps & Variable Speed Drive.

Pneumatic Model RBF 15 with 2 Decks & Hopper.
Pneumatic drive in-line portable liquid model.
Multi-Deck Sanitary Gap–Free Model RBF-15.
Gap-Free Sanitary screen element with scroll.

Double Deck Sanitary Grade Model RBF-15/24 with 24″ diameter product contact parts.
Sanitary Grade multiple deck Model RBF-15 with a NEMA 4X Variable Frequency Drive.
Sanitary Grade multiple deck Model RBF-15 with a NEMA 4X Variable Frequency Drive and with FDA Silicon Dust Cap.
XP Additive Manufacturing Metals Recovery Model RBF-15/22 with continuous large particles discharge, ultra-sonic mesh de-blinding kit and Vac-U-Max vacuum transfer system (Front View).

XP Additive Manufacturing Metals Recovery Model RBF-15/22 with continuous large particles discharge, ultra-sonic mesh de-blinding kit and Vac-U-Max vacuum transfer system (Rear View).

The Multiple uses for RBF-15

The Vorti-Siv pilot model RBF-15 is one of the most efficient sieving and straining machines on the market. The side-discharge is totally enclosed, heavily constructed and driven by a standard explosion proof, single or three-phase 1 H.P. motor. An optional air-operated unit is also available. The standard discharge height is 30″, however, the electric version is available down to 24″ and the pneumatic version to 18″. The RBF-15 is extremely effective on many wet and dry applications. Popular uses include: quality control check screening of powders, liquid straining, product reclamation, and particle size separation.

Successfully processed products include:lactose, sugar, nuts, dental powders, antibiotics, powder, flour, cosmetics, pharmaceuticals, chocolate, powdered milk, tablets, vitamins, aspirin, spices, media, food powder, hormones, paint, ink, paper coatings, powdered metals, resins, adhesives, latex, grinding media, powder coatings, solder paste and an unlimited number of highly specialized applications.

Additional Information

Additional Information on RBF-15 models on PDF

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Gyratory Action Mobility

The Vorti-Siv Pilot Unit uses a unique gyratory screening-action generated by an adjustable off-balance flywheel, which is powered by a direct drive 1 H.P., 3450 RPM or 1750 RPM motor. Any point of the screen surface moves in a circular orbit, but the screen itself does not rotate. Only the top section of this unit gyrates while the bottom is stationary. Most models are mounted on three or four castors, for easy in-plant mobility. Four quick release toggle or pan clamps allow easy dismountability for clean-up or product changeover.

Oversize

Applications with large amounts of oversize may require a scroll mounted to the screen. This enables a continuous and uniform discharge of material from the screen surface. Scroll sizes will vary with each application. For example, a full scroll allows greater product retention time on the screen. A half or finger scroll is utilized for free flowing material and provides greater screen surface area.

RBF Screening Element

Vorti-Siv RBF-15 easy dismountable screening element adapts itself to in-pant screening control; thereby increasing production and reducing outside screening cost. Nylon and stainless steel screening are immediately available from Vorti-Siv. Sizes range from 2 mesh to five micron. All screens and screening elements are interchangeable with other Vorti-Siv Models. Vorti-Siv equipment may be screen stacked for two to eight decks.

Contact Parts

All Vorti-Siv product contact parts constructed of 18 gauge 304, 316, or 316L grade stainless steel. Polished finishes to customer specifications. Contact parts consist of four items: main rim, base rim, discharge funnel and screen element. Two additional sanitary designs are available on request

U.S. Standard Mesh Sizes

Mesh # Microns Inches MM
5 4000 .157 4.0
6 3360 .132 3.34
7 2830 .111 2.83
8 2380 .0937 2.38
10 2000 .0787 2.0
12 1680 0661 1.68
14 1410 .0555 1.41
16 1190 .0469 1.19
19 1000 .0394 1.00
20 840 .0331 .84
25 710 .0280 .71
30 590 .0232 .59
35 500 .0197 .50
40 420 .0165 .42
45 350 .0138 .35
50 297 .0117 .297
60 250 .0098 .250
70 210 .0083 .210
80 177 .0070 .177
100 149 .0059 .149
120 125 .0049 .125
140 105 .0041 .105
170 88 .0035 .088
200 74 .0029 .074
250 62 .0024 .062
270 53 .0021 .053
325 44 .0017 .044
400 37 .0015 .037
450 32 .0013 .032
500 25 .0010 .025
635 20 .0008 .020

RBF-15/24 3450RPM High Speed Stainless Sieve

Includes: Standard 24″ diameter (Sweco-type) contact parts. Adapters available in 18″, 24″, 30″ 36″ and 48″.