
Plattco Corporation: Pioneers in Industrial Valve Solutions for Dry Material Handling
Founded in 1897 and headquartered in Plattsburgh, New York, Plattco Corporation is a leading U.S.-based manufacturer specializing in precision-engineered valves and gates for dry material handling applications. With over 120 years of metallurgical and manufacturing expertise, Plattco has established itself as the standard for valve performance in industries worldwide.
Innovative Valve Solutions
Plattco revolutionized the industry in the 1960s by inventing the Double Flap Airlock® Valve, a solution designed to eliminate leakage in sintering and palletizing processes within the mining industry. This innovation laid the foundation for Plattco’s commitment to solving complex dry material handling challenges. Today, the company offers a comprehensive range of products, including:
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Double Flap Airlock® Valves: Designed to maintain a tight seal while conveying dry materials, preventing emissions and maintaining system pressure differentials.
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Slide and Isolation Gates: Customizable valves that provide reliable shutoff and flow control in various industrial applications.
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Pollution Control Valves: Specialized valves engineered to handle low-pressure differential applications, ensuring efficient operation in pollution control systems.
Commitment to Quality and Innovation
As an employee-owned company, Plattco fosters a culture of collaboration and craftsmanship. The company’s mission is to combine creative innovation with respect for traditional craftsmanship to solve problems that keep materials flowing and economies growing. Plattco’s in-house engineering, quality, and safety teams, along with its on-site foundry and machine shop, enable the company to deliver fully customizable solutions tailored to meet exact specifications.
Global Reach and Industry Applications
Plattco’s valves and gates are utilized in over 100 industries worldwide, including pharmaceuticals, chemicals, oil and natural gas, aerospace, and castings. The company’s products are particularly effective in handling materials ranging from fine powders to large, chunky, fibrous pieces, operating under both positive and negative pressure conditions.






