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[email protected] | aymcdonald.com A.Y. McDonald American Meter Regulators Ball Style 11/25 Regulators 1804PFM Series Pilot-Loaded Industrial Regulator 1 1/2” X 1 1/2” VALVE HEAD Capacity (SCFH) 1 1/2” Valve Body - 15 PSIG set, ±1% abs. INLET (PSIG) ORIFICE 1/4” 3/8” 1/2” 5/8” 3/4” 7/8” 1” 1 1/4” 20 2,400 2,700 4,600 4,800 6,400 3,400 13,600 14,000 30 2,700 4,400 7,400 11,800 13,200 12,500 16,500 25,200 40 3,400 6,500 10,500 18,300 18,500 20,200 22,500 31,400 60 5,500 12,700 15,700 27,900 34,500 37,600 39,900 39,200 80 6,800 16,200 19,000 37,300 48,700 41,100 44,300 49,800 100 7,800 19,600 21,800 39,200 53,500 21,100 51,100 125 8,700 22,100 29,400 25,800 29,100 19,300 Capacity (SCFH) 1 1/2” Valve Body - 20 PSIG set, ±1% abs. INLET (PSIG) ORIFICE 1/4” 3/8” 1/2” 5/8” 3/4” 7/8” 1” 1 1/4” 30 2,800 5,900 8,400 5,700 10,800 10,100 13,100 27,900 40 3,200 8,900 16,300 25,700 21,400 19,500 22,600 33,000 60 5,300 14,200 22,000 30,800 34,700 37,900 42,300 59,900 80 6,900 16,600 25,600 40,000 45,800 47,400 50,400 40,300 100 7,800 19,900 28,000 38,400 49,000 52,800 30,000 125 8,700 18,700 29,300 38,400 47,400 36,200 Capacity (SCFH) 1 1/2” Valve Body - 25 PSIG set, ±1% abs. INLET (PSIG) ORIFICE 1/4” 3/8” 1/2” 5/8” 3/4” 7/8” 1” 1 1/4” 30 3,100 3,600 5,800 7,000 10,700 9,400 16,100 14,900 40 2,800 7,300 10,800 13,900 16,600 16,500 24,400 31,200 60 4,600 13,500 19,900 19,900 30,800 37,700 41,700 44,600 80 6,200 14,000 23,800 23,800 39,300 47,900 55,200 36,300 100 7,100 16,500 27,000 27,000 47,100 53,900 69,500 125 8,300 18,300 26,300 26,300 36,300 47,500 Capacity (SCFH) 1 1/2” Valve Body - 30 PSIG set, ±1% abs. INLET (PSIG) ORIFICE 1/4” 3/8” 1/2” 5/8” 3/4” 7/8” 1” 1 1/4” 40 4,100 5,500 10,500 12,700 19,500 12,800 11,800 24,700 60 4,800 14,100 21,000 26,500 35,600 37,900 42,300 29,600 80 7,200 16,600 25,100 34,300 40,500 47,100 54,700 38,200 100 8,500 17,700 29,500 41,200 56,300 47,000 70,400 125 9,500 19,800 31,200 45,400 68,700 47,800
