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S1709 Circuit Balancing Valve NPI

S1709 Circuit Balancing Valve NPI
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• Dezincification resistant brass body, bonnet and trim • Two integral test ports • Memory stop feature CIRCUIT BALANCING VALVE S1709 • ANSI B16.18 (Solder ends) • Globe style balancing • 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 S1709-0601 © 2003, NIBCO INC. www.nibco.com Printed in USA S1709 Unique features of the NIBCO S1709 straight pattern globe gives improved flow measurement accuracy and lower head loss characteristics compared to “Y” pattern globes, ball and plug style balancing valves.

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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™ 1/2 15 3.63 92.0 2.56 65.0 0.56 14.3 1.53 38.9 0.83 .38 3/4 20 4.00 101.6 2.56 65.0 0.56 14.3 1.53 38.9 0.88 .40 Straight Pattern Globe • Fitted with 2 Test Points for Differential Pressure Measurement • Integral Memory Stop Rated 125 psi to 175°F (max. 250°F at 85 psi) 1. Body DZR Metal 2. Handwheel...

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