• Durable iron body and bonnet • Compact non-rising stem design • EPDM elastomer coated disc • Memory stop feature • Linear scale for accurate position indication CIRCUIT BALANCING VALVES 737A • ANSI Class 125 flanges, ASME B16.1 • ANSI/AWWA C606 groove dimensions for IPS pipe • Globe style balancing valve for use in HVAC and plumbing systems • Balanced system ensures a comfortable indoor climate • Balancing valves provide desired flow distribution throughout the system • Optimum system performance provides energy and cost efficiencies APPLICATIONS MATERIALS & CONSTRUCTION DESIGN CRITERIA 737A-1105 © 2005, NIBCO INC. www.nibco.com Printed in USA F737A G737A Visit our website for the most current information

NIBCO INC. WORLD HEADQUARTERS • 1516 MIDDLEBURY ST. • ELKHART, IN 46516-4740 • USA • PH: 1.800.234.0227 TECH SERVICES PH: 1.888.446.4226 • FAX: 1.800.234.0557 • INTERNATIONAL OFFICE PH: +1.574.295.3221 • FAX: +1.574.295.3455 www.nibco.com Sub-Head www.nibco.com A H E A D O F T H E F L O W® Flanged Iron Circuit Balancing Valve Flanged ANSI Class 125 • Globe Valve • Non-rising Stem • Bosses Drilled, Tapped and Plugged for Test Points • Integral Internal Memory Stop Pressure: 240 PSI water Temperature: 250°F maximum (for low temperature, consult NIBCO Technical Services.) MATERIAL LIST PART SPECIFICATION...

NIBCO INC. WORLD HEADQUARTERS • 1516 MIDDLEBURY ST. • ELKHART, IN 46516-4740 • USA • PH: 1.800.234.0227 TECH SERVICES PH: 1.888.446.4226 • FAX: 1.800.234.0557 • INTERNATIONAL OFFICE PH: +1.574.295.3221 • FAX: +1.574.295.3455 www.nibco.com Sub-Head www.nibco.com A H E A D O F T H E F L O W® G737A Grooved Iron Circuit Balancing Valve Grooved Dimensions per ANSI/AWWA C606 for IPS Pipe • Globe Valve • Non-rising Stem• Bosses Drilled, Tapped and Plugged for Test Points • Integral Internal Memory Stop Pressure: 240 PSI water Temperature: 250°F maximum (for low temperature, consult NIBCO Technical Services.)...

NIBCO INC. WORLD HEADQUARTERS • 1516 MIDDLEBURY ST. • ELKHART, IN 46516-4740 • USA • PH: 1.800.234.0227 TECH SERVICES PH: 1.888.446.4226 • FAX: 1.800.234.0557 • INTERNATIONAL OFFICE PH: +1.574.295.3221 • FAX: +1.574.295.3455 www.nibco.com Sub-Head www.nibco.com A H E A D O F T H E F L O W® Why balance your system? Whether a system is designed for heating, cooling or water distribution it must be properly adjusted and balanced for optimum design performance. An unbalanced system may produce temperature variations of up to 14°F between rooms, which typically add up to 35% to energy costs. Valuable...