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Wm. W. Meyer & Sons, Inc. 1700 Franklin Boulevard
Libertyville, IL 60048 U.S.A.
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Heavy Duty Abrasion-Resistant

 

Heavy Duty Abrasion-Resistant

The HDAR Heavy Duty Abrasion-Resistant Drop-Thru rotary airlock valves are designed for severe applications where highly abrasive conditions exist. Offered in a choice of ceramic lined or DuraKast™, both can significantly improve the wear factor on the valve and reduce the pre-mature equipment failure often associated with such applications.

The ceramic version starts with any of our Heavy-Duty rotary airlock valves. We bond ceramic tiles to the inside of the cast iron housing and on the rotor tips. The DuraKast units are completely cast out of a hard chrome material suitable for applications with higher pressure differentials. The DuraKast units also have Stellite™ on the rotor tips for extended abrasion resistance. Both styles offer extended life over that of a standard cast iron rotary valve by as much as 6 times.

Pressure Rating: 22 PSI
Maximum Operating Temperature: 250°F
Materials: Dry Free-Flowing Extremely Abrasive Particles
Pneumatic Conveying, Blending, Dust Collection, Drying, Pollution Control, Weighing, Mixing, Feeding
Mining – Sand, Alumina, Copper
Power – Fly Ash, Coal
Cement – Kiln Dust, Raw and Finished
Asphalt – Limestone, Granite
Steel – Oxides, Grinding Dust, Sinter
CERAMIC

  • Precision-Cut ceramic tiles bonded in place minimizing gap exposure
  • Closed-End rotor designs with ceramic tiled end disc perimeter and tungsten carbide tips for prolonged wear resistance
  • HVOF spray on packing area for extended shaft life
  • Ceramic can be re-ground for additional life

DURAKAST

  • Oversized housing thickness designed to be re-ground for many years of service
  • Pre-Cast flange holes allow for easy field installation on new or replacement units
  • Closed-End rotor with welded hard faced stellite tips for maximum wear resistance
  • End plates are hard chrome lined with optional purging feature
  • Higher pressure differentials for highly abrasive applications 650 Bhn high chrome wear resistant casting for maximum life


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Product Chart

CERAMIC8x810x1012x1214x1416x16
CFR0.1450.2960.5140.9461.39
DURAKAST8x810x1012x1214x1416x1618x18
CFR0.1450.2960.5140.9461.392.06
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Meyer-Made™

DURABILITY, THAT’S A GIVEN. VALUE, THAT’S MEYER-MADE™