The 8100/8111 are circulator-flange ball valves for hydronic heating systems. These two-piece, brass-body, full-port valves are designed with free-floating flanges for alignment with circulator pump ...

Valves come with carbon steel or stainless-steel bodies and stainless-steel balls and stems, and are fire-tested to API607 4th Edition and ISO 10497. When fitted with a spring-return actuator, they ...