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[email protected] | valmatic.com 62 4/24 10 8 7 6 5 4 3 2 1 .8 .7 .6 .5 .4 .3 10 20 30 40 50 60 70 80 100 200 300 400 500 600 700 800 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 10,000 40 50 60 70 80 100 200 300 400 500 600 700 800 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 .08 .1 .2 .3 .4 .5 .6 .7 .8 1 2 3 4 5 HEAD LOSS IN FEET OF WATER FLOW OF WATER IN GALLONS PER MINUTE CUBIC METERS PER HOUR METERS OF WATER D N O C E S / T E E F 4 Y T I C O L E V 12 FEET/SECOND VELOCITY 18” 42” 36” 30” 24” 20” 16” 14” 12” 10” 4” 3” 5” 6” 8” 21/2” TYPICAL GLOBE SIZING RANGE 10 FEET/SECOND VELOCITY 7 FEET/SECOND VELOCITY 10 8 7 6 5 4 3 2 1 .8 .7 .6 .5 .4 .3 6 7 8 10 20 30 40 50 60 70 80 100 200 300 400 500 600 700 800 30 40 50 60 70 80 100 200 300 400 500 600 700 800 1,000 2,000 3,000 4,000 .08 .1 .2 .3 .4 .5 .6 .7 .8 1 2 3 4 5 HEAD LOSS IN FEET OF WATER FLOW OF WATER IN GALLONS PER MINUTE CUBIC METERS PER HOUR METERS OF WATER D N O C E S / T E E F 4 Y T I C O L E V 10 FEET/SECOND VELOCITY 6” 1/2” 2 3” 4” 5” 8” 10” 7 FEET/SECOND VELOCITY 2” TYPICAL WAFER SIZING RANGE Headloss Chart PRESSURE RATINGS MATERIALS OF CONSTRUCTION MAXIMUM PRESSURE RATINGS SERIES DESCRIPTION SIZE RANGE END CONNECTION CWP psig (Bar) 1400THR Threaded 1/2” - 2” (15-50mm) Threaded NPT 250 (17.2) 1400A Wafer Style 2” - 6” (50-150mm) Wafer Class 125/250 400 (27.6) 8” - 10” (200-250mm) Wafer Class 125 200 (13.8) 8” - 10” (200-250mm) Wafer Class 250 400 (27.6) 1400A.4 Wafer Style Stainless Steel 2” - 10” (50-250mm) Wafer Class 150 275 (19) 1800A Globe Style 2 1/2” - 12” (65-250mm) Flanged Class 125 200 (13.8) 2 1/2” - 12” (65-250mm) Flanged Class 250 400 (27.6) 1800A.4 Globe Style Stainless Steel 2 1/2” - 12” (65-250mm) Flanged Class 150 275 (19) 1800 Globe Style 14”- 42” (300-1050mm) Flanged Class 125 150 (10.3) 14” - 42” (300-1050mm) Flanged Class 250 300 (20.7) COMPONENT STANDARD OPTIONAL Body Cast Iron ASTM A126, Class B Stainless Steel A351 Grade CF8M Ductile Iron A536 Grade 65-45-12 Disc Lead-Free Bronze ASTM B584 C87600 Stainless Steel A351 Grade CF8M Seat Lead-Free Bronze ASTM B584 C87600 Stainless Steel A351 Grade CF8M Resilient Seat - Buna-N EPDM Spring T316 Stainless Steel Severe Duty T316 Stainless Steel COMPONENT STANDARD Body Lead-Free Bronze ASTM B584 C87600 Disc Lead-Free Bronze ASTM B584 C87600 Seat PTFE Spring T316 Stainless Steel Threaded Style Wafer & Globe Style Wafer Style Globe Style ilent Check Valve Silent Check Valves Silent Check Valves Size 2 2 1/2 3 4 5 6 8 10 12 14 16 18 20 24 30 36 42 Wafer Cv 43 88 130 228 350 520 900 1450 - - - - - - - - - Globe Cv - 127 155 278 435 625 1115 1770 2500 3400 4400 5600 6900 10,000 15,400 22,400 30,400 Flow Coefficients
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