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Compact, Modular Ross FDA-50 Fixed Tank Dual-Shaft Mixer/Pressure Reactor Provides Agitation, High-Speed Dispersive Mixing

The mixer provides agitation and high-speed dispersive mixing powerful enough to batch viscous solutions, dispersions, suspensions and emulsions with viscosities in the hundreds of thousands of centipoise.

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The FDA-50 Fixed Tank Dual Shaft Mixer is a compact and portable module for meticulous mixing. Source: Ross

The FDA-50 Fixed Tank Dual Shaft Mixer is a compact and portable module for meticulous mixing. Source: Ross

Ross’ FDA-50 Fixed Tank Dual Shaft Mixer can handle a wide range of formulations and viscosities. It is a custom-design agitated pressure reactor which is well suited for processes that require meticulous control over mixing, temperature and pressure, all in a compact and portable module. The stainless steel type 316 dished bottom vessel and removable dished cover can accommodate internal pressures up to 100 psi, stamped according to ASME Section VIII, Div. I. 

The mixer/reactor is equipped with two agitators. The high-speed disperser features two 6" sawtooth blades — one fixed at the bottom and one adjustable along the shaft. It is driven by a 5-hp explosion-proof motor up to 1,760 rpm, creating a vortex into which dry ingredients can be delivered for fast wetting. The disperser is belt-driven with removeable drive motor, belt and guard.

The two-wing anchor agitator is direct-driven by a 5-hp explosion-proof removable gearmotor up to 45 rpm, designed with a heavy-duty triangular cross section and removeable Teflon sidewall scrapers. The anchor feeds product toward the high-speed disperser blades to ensure that the batch contents are never stagnant in any one area. Dry-running single mechanical seals compatible with various solvents are utilized on the mixer shafts. All product wetted surfaces are polished to 320 grit finish.

The FDA-50 also includes a 2" flush tank discharge ball valve with a sanitary outlet connection, and an assortment of sanitary inlet ports on the cover. The mobile mixer stands on four splayed stainless steel legs with foot pads and nonmarking urethane casters — two rigid and two locking — for stability and easy movement.

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