Bell & Gossett model SA-1" threaded, combination straight or angle-pattern flow-control valve. Its ductile iron body is rated to 125 psi and 250°F. Flo-Control valves prevent gravity flow in forced water systems and permit operation of indirect water heaters during both summer and winter. With a pressure drop of 1 to 8 feet of water this valve will perform from 1 to 18 GPM. See performance curves for your exact flow rate.
Bell & Gossett is a division of Xylem, a spin off of ITT Industries, and is a leading manufacturer of energy efficient pumps, valves, heat exchangers, and accessories for plumbing, wastewater, and HVAC — including steam and heat transfer — applications. The company sells a variety of products, including centrifugal pumps, hydronic specialties, heat exchangers, condensate handling equipment, valves, rotors and controllers, for use in residential, commercial and institutional buildings. Bell & Gossett is known throughout the HVAC business as the industry’s educator. Their Little Red Schoolhouse, a completely equipped learning center, has trained more than 60,000 engineers, contractors and installers in the proper design, installation, and maintenance of HVAC systems.