Backflow protection devices - Watts Industries
Backflow protection devices - Watts Industries
Backflow protection devices - Watts Industries
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BACKFLOW PROTECTION DEVICESEB check valves22Type Flow Ø Total length Approvals WeightInch mm mm kgNN Male to female, chrome plated1⁄2" 15 1⁄2" x 1 ⁄2" 28 KIWA/BELGAQUA 0.053⁄4" 20 3⁄4" x 3 ⁄4" 33 KIWA/BELGAQUA 0.10NR Female to female, chrome plated1⁄2" 15 1⁄2" x 1 ⁄2" 30 KIWA/BELGAQUA 0.053⁄4" 20 3⁄4" x 3 ⁄4" 36 KIWA/BELGAQUA 0.09NW Female to female, chrome plated1⁄2" 15 3⁄4" x 1 ⁄2" 30 KIWA 0.07<strong>Watts</strong> <strong>Industries</strong> brass check valves resistance graphPressure differential [kPa]1001012345610,1 1 10 100 1000Volume flow [l/min]Global values, specific curves per valve available upon request.Line Check valveno. type1 BB015 KF0152 BB020 KF020 S015 WF0153 BB025 KF025 S020 WF0204 BB032 S025 WF025S032 WF0325 BB040 S040 WF0406 BB050 S050 WF050
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