Headloss Chart Flow Coeffi cients Size 3 4 6 8 10 12 14 16 18 20 24 30 36 42 48 54 60 Cv 248 475 1,160 2,200 3,600 5,400 7,600 10,300 13,200 16,800 25,500 42,000 63,000 90,000 119,000 155,000 195,000 Energy Cost Savings The Tilted Disc® Check Valve possesses the lowest headloss of any check valve available today, allowing the least amount of energy during system operation to be consumed. The continuous electrical energy savings that result from using the Val-Matic Tilted Disc® was calculated using Val-Matic’s Energy Cost Calculator on www.valmatic.com. Valve Type Globe-Style Control Valve Silent Check Valve Swing Check Valve Tilted Disc® Check Valve Coefficient (K) Flow 5.70 3.00 1.60 0.63 *Assumes 50% usage, $.08/kw-hr, 12 ft/sec, 0.8 effi ciency. 10 Headloss (ft) 12.8 6.7 3.6 1.4 Energy Cost* 40-Year $1,111,980 $585,253 $312,135 $122,903 Check Valve can be seen in the table below for 30” valves. This information 40-Year Tilted-Disc Energy Cost $122,903 $122,903 $122,903 40-Year Tilted-Disc Savings $989,077 $462,350 $189,232
