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“We reduced our electrical and maintenance costs more than 80% when we switched from screw pumps to Plattco. ”
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Plattco Corporation Launches EZ Seat, an Innovative New Seal for Double Flap Valves that Reduces Maintenance Costs, Improves Conveying System Performance
March, 2015


Double Flap Airlock Valve Technology Proves Critical to Efficient Melt Shop Baghouse Operation

By Kevin Guay, Senior Sales Engineer R & D


Pneumatic Conveying:
Issues & Answers, Part 2
Key Terms & Definitions You Need To Know

By Jack Hilbert, Pneumatic Conveying Consultants


Customer Driven
Manufacturing: An Overview

By John Kabbes, President John Kabbes & Assoc.


Pneumatic Conveying -
Issues & Answers
Starting with the Basics

By Jack Hilbert, Pneumatic Conveying Consultants

Plattco’s Severe Duty Valves
Solving material handling problems that no other valve can.

Thousands of customers have chosen Plattco Double Flap Airlock® Valves to reduce maintenance time, increase efficiency and lower costs.

Companies trust Plattco for valves that:

  • ensure a reliable, long lasting seal ... even when the material is abrasive or corrosive, pressurized or subject to extreme temperatures,
  • are easy and inexpensive to maintain for decades of “like new” operation,
  • fit their specific applications, using Plattco’s 50 years of experience designing exceptionally performing valves.


Economically & Operationally Better Than Rotary Valves
Plattco valves have been installed in dozens of industries in all 50 states and over 60 countries. Many are purchased in place of rotary valves by bottom-line oriented managers who insist on valves that require less maintenance and improved productivity.

Plattco provides a long-term solution to airlock wear by eliminating the rotary action of other valves. The body of the valve is not a sealing surface. All our bodies are cast in alloys specifically designed for the valve application. They are long-life units that are designed to provide many years of maintenance-free service.

The seats and flappers, which provide the critical seal, are cast and machined of wear-resistant alloys that can be reground two to three times to provide the same level of seal performance each time. They can be replaced quickly and easily without disassembling the valve or taking it out of line, using Plattco’s unique Easy Maintenance Technology.

Our valve designs eliminate bridging and clogging to maximize operating efficiency. For elevated temperatures, abrasive materials or high pressure differentials, Plattco is the respected leader around the world as the standard for valve excellence.

Determine the value of switching to Plattco valves for your operation ... Contact Us today.




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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.