About Quiet Thunder® Electric Vibrators
AC Models:
Quiet Thunder® Electric Rotary Vibrators operate on alternating current (AC). They are especially useful where air or hydraulic power sources are not available. A major advantage of Electric vibrators is they are extremely quiet; the only noise is the hum of the electric motor. Global’s QT and DEG Series electric vibrators are available in 2-pole (3600 RPM), 115, 230, & 460 voltages, 60 Hertz, and single or three-phase AC current. Single phase vibrators are only available in 115 Volt.
Electric Rotary Vibrators produce vibration of low to medium frequency and a wide range of forces. The smallest Electric Vibrator generates 40 force pounds (.18 kN) of centrifugal force, while the largest generates 4,548 pounds of force (20.23 kN). The largest electric vibrator is capable of handling a load up to 42,500 pounds (19,278 kg). Use multiple vibrators on a single hopper when the load is greater than 42,500 pounds. For example, to restore flow to a hopper with 60,000 pounds (27,216 kg), use two of the largest Electric Vibrators.
Advantages of Quiet Thunder® Electric Vibrators:
• Rugged Construction – The housings are cast aluminum. The end caps that cover the weights are 304 stainless steel covers, except the QT2-4500X has aluminum end caps.
• Epoxy Powder Paint – Standard painting (120 µm thickness) with epoxy powder, polymerized in an oven at 392°F (200°C).
• Shock Resistant Motor Windings – Vacuum system process applied to QT stators for protection.
• Weather Tight Construction – O-ring seals keep contaminants out of the vibrators.
• Long-lasting – Vibrators have a labyrinth type grease seal, which ensures LONG LIFE lubrication.
• Adjustable Force Settings – Adjustable eccentric weights with graduated indicator from 0 to 100% of the centrifugal force. Special device to avoid wrong adjustment of weights.
• Continuous Duty – Designed for continuous duty (type S1) with weights set at maximum centrifugal force.
• High Performance Bearings – Made for continuous operation at 100% of the centrigual force.
• Extremely Quiet – Only hear the hum of the electric motor.
• Highly Efficient – Less expensive to operate than pneumatic vibrators.
• Produces Uniform, Directional Flow.
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