6800 Series Check Valve

The ThermaFlo 6800 Series Check Valve is engineered for reliable, high-capacity performance in demanding industrial applications. Available in sizes from 1/4" through 3", the 6800 Series is rated for up to 800 PSIG WOG and 250 PSI WPS, providing dependable operation across a broad range of system requirements. Its precision metal seat delivers tight shutoff, while the spring-loaded design provides smooth, fast response with a low 1/2 PSI cracking pressure. 

An optimized internal flow profile helps minimize head loss and maximize system efficiency. Designed for rugged service conditions, the valve incorporates advanced materials for exceptional durability and dependable sealing at both high and low pressures across temperatures ranging from 32°F to 450°F. Fully repairable and capable of installation in virtually any position, the ThermaFlo 6800 Series delivers the versatility, efficiency, and long-term reliability required for critical industrial flow-control applications.