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Bonomi’s S250 series stainless steel in-line check valves are now NSF 61/372-certified for potable water and lead-free applications. All six sizes of the NPT threaded S250 series, from 1/2 to 2 inches, have been certified lead-free to NSF/ANSI 61 by the methods prescribed in NSF/ANSI 372. Bonomi S250 series check valves feature a cold-formed 316 stainless steel body that gives users the highest Cv at the lowest cost. The metal forming process allows an improved flow profile inside the valve body to minimize head loss. It also eliminates machining for reduced manufacturing cost.
The S250 series is electron beam welded at the end cap-to-body connection creating a unibody for leak-free service. The low-cracking 1/2-PSI spring-loaded FKM (Viton) seat provides high flow capacity, minimal head loss and dependable, bubble-tight protection against reverse flow. They are rated to 250 WOG with an operating temperature range of -4 degrees Fahrenheit to 302 degrees Fahrenheit.
Bonomi North America
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