Industrial 4266TH Valve

The CHICAGO VALVES & CONTROLS 4266TH Swing Check Valve is part of the Series 426 family, designed for inline backflow prevention in industrial piping. It carries a 200 WOG rating and a 316 stainless steel body for corrosion resistance in demanding service. End connections include threaded, socket weld, or threaded-by-socket-weld configurations, and Series 426 covers sizes from 1/4" to 3". It is specified for a maximum working pressure of 200 CWP and a maximum temperature of 350°F, with API 598 compliance for quality. All Chicago Valves & Controls products are produced to strict standards and are 100% tested before shipment, backed by a two-year warranty on parts and workmanship. Common applications span chemical and petrochemical processing, oil and gas facilities, energy and power systems, paint and resin processing, pulp and paper, food and beverage production, and desalination, where reliable one-way flow is essential. The 4266TH designation places it within this rugged swing-check line, offering dependable seat sealing, straightforward inline installation, and compatibility with multiple end-connection styles to fit retrofit or new-construction projects.