Valve Construction PRESSURE RATINGS MAXIMUM PRESSURE RATINGS SERIES CONNECTION AWWA Class 2000 2100 2200 2300 2400 2500 2500L 2600 2700HP* ANSI 125# Gray Iron Flange AWWA MJ Gray Iron ANSI 250# Ductile Iron Flange AWWA MJ Ductile Iron ANSI 125# Ductile Iron Flange ANSI 125# Gray Iron Wafer ANSI 125# Gray Iron Lug ANSI 125# FLG x MJ Gray Iron ANSI 250# FLG Ductile Iron 150B 150B 250B 250B 250B 150B 150B 150B 275C CWP (psig) 150 150 250 250 250 150 150 150 300 *See Bulletin 2000HP for High Performance Butterfly Valve Information Headloss Chart (CUBIC METERS PER HOUR) C 10 8 7 6 5 4 3 2 1 .8 .7 .6 .5 .4 .3 .2 4 FEET/SECOND VELOCITY .1 .06 .07 .08 5 10 .08 .1 .04 .05 .06 .07 .03 .02 15 A I 4” 3” 6” 8” 10” 12” 14” 16” 18” 20” 24” 30” 36” 42” 54” 66” 48” 60” 72” 84” 78” 90”102” 96” 108” 20 .7 .8 1 .5 .6 .3 .4 .2 2 3 4 Flow Coefficients Size 3 4 6 8 Cv 380 590 10 12 14 16 18 20 24 30 36 42 1,430 2,750 4,300 6,550 8,350 11,800 15,000 18,600 27,000 42,000 61,900 87,100 FLOW OF WATER IN GALLONS PER MINUTE 4 48 114,000 54 144,000 60 180,000 66 221,000 72 266,500 78 316,000 84 366,000 90 420,500 96 478,500 102 540,000 108 605,500 120 744,000 MATERIALS OF CONSTRUCTION COMPONENT STANDARD 150B Body 3”- 72” 150B Body 78”- 120” 250B Body 3”- 96” Disc 150B Shaft 3”- 72” 150B Shaft 78”- 120” 250B Shaft 3”- 84 Resilient Seat Body, Seat and Hardware Shaft Bearings 3” - 24” Shaft Bearings 30” and Larger Cast Iron ASTM A126, Class B Ductile Iron ASTM A536 Gr. 65-45-12 Ductile Iron ASTM A536 Gr. 65-45-12 Stainless Steel ASTM A276 Type 304 Stainless Steel ASTM A564 Type 630, H1150 Buna-N Type 316 Stainless Steel Nylatron Teflon-Lined, Fiberglass-Backed OPTIONAL Ductile Iron, Stainless Steel Stainless Steel Stainless Steel Stainless Steel Type 316, Monel Monel EPDM, Viton Monel Teflon, Bronze Teflon-Lined, Stainless Steel, Bronze Backed HEAD LOSS IN FEET OF WATER 100 30 200 300 400 500 600 700 800 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 10,000 300 400 500 600 700 800 1,000 2,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 100,000 200,000 300,000 400,000 500,000 600,000 700,000 800,000 1000,000 30,000 40,000 50,000 60,000 70,000 80,000 100,000 200,000 3,000 4,000 5,000 6,000 7,000 8,000 10,000 20,000 40 50 60 70 80 100 200 (METERS OF WATER) TYPICAL VALVE SIZING RANGE N 20 FEET/SECOND L 15 FEET/SECOND 10 FEET/SECOND R VELOCITY 16 FEET/SECOND VELOCITY VELOCITY VELOCITY 5 FEET/SECOND VELOCITY A L M E - V B F V F ® B R E U V T T A Y E
American-BFV® Butterfly Valve
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