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Explosion-proof weighing, mixing and discharging stations

Ross offers turnkey solutions for processing a wide range of applications in hazardous or classified environments. By weighing, mixing and discharging on a common platform, users benefit from improved safety and a more efficient batching process.

One example of a turnkey package is the pictured 10-gallon Double Planetary Mixer and Discharge System. Heavy-duty helical mixing blades, designed for high-viscosity pastes, gels and putty-like materials, are raised and lowered via an air/oil hydraulic lift with explosion-proof electrically operated solenoid valves. The motors on the mixer and discharge system, limit switches, junction box, local operator station, platform scale and weight indicator are all explosion-proof as well. All hardware in the mixing zone are lock-wired. Product wetted welds are dye-penetration tested.

The vacuum-rated mix can is internally-machined, providing very uniform stirrer-to-vessel clearances of 1/4" to 1/2". Other features include a 50-psig stainless steel jacket for heating/cooling, 2" flush cove-cut discharge valve, RTD thermocouple on the sidewall, and a grounding drag strap. Caster wheels on the vessel and V-tracks on the platform allow for easy movement between the mixer, weighing station and discharge press.