Plattco Corporation
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  Double Flap Airlock® Valves
  H-Series / Premiere Valve
  R-Series / Radial Valve
  S8-Series / Low Profile Valve
  PCV-Series /Pollution Control Valve

  Slide Gates / Isolation Gates
  T-Series / High-cycling Gate
  U-Series / Maintenance Gate

  Materials / Applications
  Success Stories
  Capacity Chart (PDF)
  Product Catalog (PDF)



Plattco’s Double Flap Airlock® Valves

Our valves provide unbeatable airlock performance with minimal maintenance -- even in the most difficult operating environments.

H-Series Valve H-Series / Premiere Valve The original Plattco Double Flap Airlock® valve continues to be the standard of excellence for heavy-duty solid processing applications.
R-Series Valve R-Series / Radial Valve Our Radial valve combines all the features of the H-Series with an air tight radial seat and flapper.
S8-Series Valve S8-Series / Low Profile Valve Use the S8 flapgate wherever lower overall height is required. Features the same rugged design as our famous H-Series valve in a low headroom alternative.
PCV-Series Valve PCV-Series / Pollution Control Valve Use the PCV-Series valve in low pressure applications. Replace your existing rotary valve and get reliable, long-wear performance in highly abrasive applications.


Plattco’s Slide / Isolation Gates
Our multi-purpose gates provide exceptional stand-alone performance, as well as in combination with Plattco’s Double Flap Airlock® Valves as part of an integrated high performance material handling system.

T-Series Gate T-Series / High-Cycling Gates offer a premium quality, non-plugging throttle gate for use in dry applications. It offers high-cycling with minimal wear.
U-Series Gate The U-Series / Maintenance Gate is our standard multi-purpose cast slide gate that is most often used by our clients as a maintenance gate upstream of Plattco flapgates.


For a side-by-side comparison of our products, download our Complete Product Catalog.





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Plattco Corporation is the recognized leader for valves that solve material handling problems in a wide variety of industries. Plattco specializes in the design and manufacture of Double Flap Airlock® Valves and associated multi-purpose slide gates as an important part of dry material handling systems.

Industries / Applications For demanding conditions, Plattco valves are the ideal choice when you need a seal that performs, including Precipitator, Baghouse, Clinker Cooler, Cyclones, Ash Handling, Air Heater Hopper, Burner Chute, Bulk Handling, CFB Boiler, Dust Collector, Grinding Mill, Kiln, Preheater Hopper, Pneumatic Conveying, Screw Pump Replacement, Spritzer Trap, Vacuum Systems, Filter Receivers, Classifiers, Alternate Fuel Feed Airlock, Storage Silos, Cooling Towers, Air Slides, Conditioning Towers, Coal Mill Feeder, Construction, Boiler Feed, Coal-fired Power Plants, Fluid-bed Boiler Discharge, Pressure Transport Systems, Waste to Energy, Positive Pressure Conveying Systems, ESP Valves, Dust Collection, Superheaters, Scrubber Discharge, Boiler Bypass, Higher Temperature, Kiln Cyclone Airlocks, Reactor Valves, Energy & Incineration, Mining, Pollution Control, Environmental Systems, Recycling, Gasification.

Materials / Media Plattco built its reputation on reliable, resilient valves that tackle the toughest conditions. If you have a highly-abrasive, high-temperature material, there is no better choice than Plattco. We have more than 50 years experience handling Aggregate, Alumina Chips, Alumina Powder, Alumina Rocks, Animal Feed, Asphalt, Glass Beads, Metal Beads, Plastic Beads, Broken Glass, Bulk Powder Solids, Carbon Ash, Casting Sand, Cement, Finish Cement, Raw Cement, Dry Chemicals, Clinker Dust, Coal, Coal Dust, Concrete, Corn, Crushed Glass Dust, Fiberglass Dust, Fiberglass Granules, Fly Ash, Foundry Sand, Glass Furnace Dust, Graphite, Gypsum Rock, Gypsum Pellets, Kiln Dust, Lead, Lead Chips, Lead Powder, Metal Powders, Metal Shavings, Minerals, Paper Pulp, Quarry Dust, Rocks, Silica, Soybeans, Soy Flour, Stone, Stone Dust, Styrofoam, Talc, Tungsten Carbide, Waste Material, Wheat, Wood Chips, Wood Dust.

Equipment / Industry Terms With the number of products Plattco carries and the industries we serve, there are various terms which may apply, including: Double Flap Gate Valve, Double-Flap Airlock® Valves, Double Dump Valves, Airlock Valves, Plattco's, Industrial Valves, Metal Valves, Air Valves, Double Flap Airlock Valves; as well as, Material Handling Gates, High-Cycling Gates, Isolation Gates, Maintenance Slide Gates, Gate Valves, Knife Gates, Knife Gate Valves, Slide Gates, Slide Valves, Low Profile Gates, Multi-purpose Gates and Feeder Gate Valves.

To determine the ideal Plattco valve for your demanding conditions, contact us today.