Process Development & Control LLC


Process Development & Control LLC is a leading manufacturer of industrial butterfly valves for HVAC, furnace, power, blower and exhaust air transfer systems, in addition to special service applications. PDC offers customers a wide variety of materials for construction options and design specifications. Our experience in design and fabrication of quality valves has gained worldwide customer acceptance.

Process Development & Control LLC was incorporated in 1970. This privately held company has served multiple global industrial markets as a manufacturer of cast damper butterfly valves for more than 40 years. Located outside of Pittsburgh, "PDC” has a strong and loyal customer base.

The product line offers 2"-60" low leakage cast butterfly valves designed to meet the control needs for the air, gas and water management users. We provide an engineered product that has the capabilities to handle temperatures up to 1500º F. Our computer-aided, three-dimensional engineering design system refines our imaging, drafting and production documentation to ensure the right quality and product integrity. We complement our valves with a wide selection of valve automation to meet the requirements of our end users.

Our manufacturing experience combined with our capacity and equipment allow us to customize the individual characteristics of our valve products. We own more than 300 casting patterns that are supplemented by custom flame cut variations that support our 10 core product segments. These valves are offered with a variety of seating options and mounting bracket designs to serve specific applications.


Product Catalogue Industries Served Resources Applications


Our customers are supported by a Marketing and Sales organization that can answer technical questions and assist in application analysis. Complete assembly drawings are available for reference. The fully integrated computer system tracks order entry, purchasing, production, inventory, shipping, billing, and accounting.

PDC serves the needs of broad-based market sectors including the furnace, compressor-blower, gas recovery, gas equipment engine, HVAC, environmental, LNG, and power. PDC valves are increasingly being applied in the "Green” alternative energy markets.

The PDC team is customer focused with the knowledge, technical competence and commitment to be a preferred supplier for cast damper butterfly valve products, associated actuators and control products.

We can and do offer true "Value in Valves.”
Automation & Accessories
Utilizing our universal system of brackets and linkages, PDC will furnish, mount and completely pipe a wide selection of actuators and other control accessories as required.



1075 Montour West Industrial Blvd.
Coraopolis, Pennsylvania 15108
United States of America

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