Fluid Sealing International is a Pittsburgh-based mechanical seal manufacturer that's been producing top-quality sealing systems across the globe since 1982. We design, manufacture, provide and service the most reliable sealing systems in the world. We believe each customer is as unique as each seal we develop. From our standard line of products to our specially-engineered custom seals, our customers are our number one priority - every time.  We proudly stand behind our company, our products and our people. We strive to be customers' manufacturer of choice when it comes to fluid sealing products. Our state-of-the-art facilities use the latest technology in CAD/CAM operations and are equipped for total machining capabilities. All of our locations adhere to internationally-recognized ISO 9001 Quality Management System standards, which guarantee consistent products and services that exceed customer and regulatory requirements.