Material # Meter Type Manufacturer and Brand Name Service Pressure Rated Capacity @ 1/2" WC Pressure Drop (cfh) Rated Capacity @ Greater Than 1/2" WC 1 2 3 5 4 oz. or 7" WC PSIG PSIG PSIG PSIG Maximum Working Pressure Multiplier 1013209 10 lt, Alum, dia, 1" Mspud American 250 cfh 250 580 610 640 690 5 psi 2 ft. index 1013209 10 lt, Alum, dia, 1" Mspud Lancaster 250 cfh 250 580 610 640 690 5 psi 2 ft. index 1013209 10 lt, Alum, dia, 1" Mspud Invensys 250 cfh 250 580 610 640 690 5 psi 2 ft. index 1013209 10 lt, Alum, dia, 1" Mspud Sprague 250 cfh 250 580 610 640 690 5 psi 2 ft. index 1013209 10 lt, Alum, dia, 1" Mspud Sensus 275 cfh 275 650 685 715 775 5 psi 2 ft. index 1013224 30 lt, Alum, dia, 1 1/2" Mspud Sprague 400 cfh 400 930 980 1020 1110 10 psi 2 ft. index 1013224 30 lt, Cast, dia, 1 1/2" Mspud Sprague #3 (400) 400 930 980 1020 1110 5 psi 2 ft. index 1013224 30 lt, Alum, dia, 1 1/2" Mspud Sprague 410 cfh 410 952 1003 1044 1136 10 psi 2 ft. index 1013224 30 lt, Alum, dia, 1 1/2" Mspud Sensus 415 cfh 415 963 1014 1056 1149 10 psi 2 ft. index 1013224 30 lt, Alum, dia, 1 1/2" Mspud American 425 cfh 425 920 955 993 1038 25 psi 2 ft. index 1013225 35 lt, Alum, dia, 1 1/2" M, sp45 Sprague 625 cfh 625 1409 1477 1544 1675 20 psi 10 ft. index 1013225 35 lt, Alum, dia, 1 1/2" M, sp45 Invensys 750 cfh 750 1690 1772 1853 2010 20 psi 10 ft. index 10 ft. index 1013225 35 lt, Alum, dia, 1 1/2" M, sp45 Sprague 800 cfh 800 1803 1890 1976 2144 25 psi 1013225 35 lt, Alum, dia, 1 1/2" M, sp45 American 800 cfh 800 1708 1890 1976 2144 20 psi 5 ft. index 1013227 60 lt, Alum, dia, 2" M, spud American 1000 cfh 1000 2254 2363 2470 2680 25 psi 10 ft. index 1013227 60 lt, Alum, dia, 2" M, spud Invensys 1000 cfh 1000 2254 2363 2470 2680 25 psi 10 ft. index 1013227 60 lt, Alum, dia, 2" M, spud Sprague 1030 cfh 1030 2322 2434 2544 2761 25 psi 10 ft. index 1013227 60 lt, Alum, dia, 2" M, spud Sprague 1000 A 1000 2254 2363 2470 2680 25 psi 10 ft. index 1013229 80 lt, B Metric, dia American 1200 cfh 1200 2705 2835 2964 3216 20 psi 5 ft. index 1013229 80 lt, Alum, dia, 2" Female American 1400 cfh 1400 3156 3308 3458 3752 100 psi 5 ft. index 1028420 80 lt, Cast, dia, 2" Female Invensys 3000 cfh 1450 3268 3426 3582 3886 100 psi 10 ft. index 1013241 200 lt, Cast, dia, 4" Female American 2300 cfh 2300 5135 5383 5627 6106 100 psi 10 ft. index 1013241 200 lt, Cast, dia, 4" Female Invensys #4 5000 cfh 2250 5023 5266 5505 5973 75 psi 10 ft. index 1013241 200 lt, Alum, dia, 4" Female Invensys 5000 cfh 2500 5581 5851 6117 6637 100 psi 10 ft. index 1013242 250 lt, Cast, dia, 4" Female American 3000 cfh 3000 6698 7021 7340 7964 75 psi 10 ft. index 1028433 500 lt, Cast, dia, 4" Female American 4800 cfh 4800 10716 11234 11744 12743 75 psi 10 ft. index 1028433 500 lt, Cast, dia, 4" Female American 5000 cfh 5000 11163 11702 12233 13274 100 psi 10 ft. index 1028433 500 lt, Alum, dia, 4" Female Invensys 10000 cfh 5000 11163 11702 12233 13274 100 psi 10 ft. index 1013263 35 lt, 8C, Rotary Dresser 800 840 895 950 1050 175 psi 10 ft. index 1013261 80 lt, 1.5, Rotary Schlumberger 1500 1600 1700 1800 2000 175 psi 10 ft. index 10 ft. index 1013261 80 lt, 1.5, Rotary American 1500 1600 1700 1800 2000 175 psi 1013264 200 lt, 3M, Rotary Dresser 3000 3100 3325 3500 4000 175 psi 10 ft. index 1013264 200 lt, 3M, Rotary Delta- (sprage) 3000 3100 3325 3500 4000 175 psi 10 ft. index 1013264 200 lt, 3M, Rotary Romet 3000 3100 3325 3500 4000 175 psi 10 ft. index 1013264 200 lt, 3.5M, Rotary American 3500 3652 3890 4127 4603 175 psi 10 ft. index 1013265 500 lt, 5M, Rotary Dresser 5000 5200 5550 5900 6600 175 psi 10 ft. index 1013265 500 lt, 5M, Rotary Delta- (sprage) 5000 5200 5550 5900 6600 175 psi 10 ft. index 1013265 500 lt, 5M, Rotary Romet 5000 5200 5550 5900 6600 175 psi 10 ft. index 1013265 500 lt, 5.5M, Rotary American 5500 5739 6113 6486 7233 175 psi 10 ft. index 1013266 500 lt, 7M, Rotary American 7000 7300 7775 8300 9200 175 psi 10 ft. index 1013266 500 lt, 7M, Rotary Dresser 7000 7300 7775 8300 9200 175 psi 10 ft. index 1013266 500 lt, 7M, Rotary Delta- (sprage) 7000 7300 7775 8300 9200 175 psi 10 ft. index 1013266 500 lt, 7M, Rotary Romet 7000 7300 7775 8300 9200 175 psi 10 ft. index 1013267 500 lt, 11M, Rotary American 11000 11500 12250 13000 14500 175 psi 10 ft. index 1013267 500 lt, 11M, Rotary Dresser 11000 11500 12250 13000 14500 175 psi 10 ft. index 1013267 500 lt, 11M, Rotary Dresser 11000 11500 12250 13000 14500 175 psi 10 ft. index 1013267 500 lt, 11M, Rotary Romet 11000 11500 12250 13000 14500 175 psi 10 ft. index 1013283 16M, Rotary Dresser 16000 16700 17800 18900 21100 175 psi 100 ft. index 1013283 16M, Rotary Romet 16000 16700 17800 18900 21100 125 psi 100 ft. index 1013269 23M, Rotary Dresser 23000 24000 25575 27200 30300 125 psi 100 ft. index 1028440 23M, Rotary, Ft. Mount Dresser 23000 24000 25575 27200 30300 125 psi 100 ft. index 1013280 38M, Rotary Dresser 38000 39700 42275 44900 50000 125 psi 100 ft. index 1013285 38M, Rotary, Ft. Mount Dresser 38000 39700 42275 44900 50000 125 psi 100 ft. index 1028441 56M, Rotary, Ft. Mount Dresser 56000 58500 62325 66200 73800 125 psi 100 ft. index 1028442 102M, Rotary, Ft. Mount Dresser 102000 106600 113525 120500 134300 125 psi 100 ft. index ** Some meters exist in the system but are no longer installed as new or rebuilt meters Light Commercial Large Diaphragm Mtrs Rotary Meters