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Hopper Isolation – Rotary Airlock Valves

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Description

Rotary valves are tested and certified to comply with NFPA-69. Completed testing at a “knowledgeable test authority” certifies the valve complies with NFPA-69 rotary valve design criteria. Testing showed the valve to exceed the required testing pressure of 1 barg and withstood deflagration pressures up to 2.3 barg. Besides compliance with NFPA 69, the valves are also an economical and cost-effective tool for creating an airlock between dust collectors and the collection containers.  P Lastly, a direct drive motor eliminates the hassle and maintenance of dealing with belts.

Included Features:

  • Sizes: 6, 8, 10, and 12″ square
  • Up to 300 Fahrenheit operating temperature
  • Up to +/- 3PSI pressure differential
  • Cast iron construction
  • Direct drive gear motor (29 RPM)

Options:

  • Explosion-proof motors: For use in hazardous environments.
  • Beveled Rotor Tips: Increases operating efficiency. Used with find dust that can pack between housing and blades.
  • Motion Switch: Monitors loss of speed or zero speed.
  • Flexible Rotor Tips: Used in applications with stringy or fibrous products.

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