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[email protected] | aymcdonald.com A.Y. McDonald American Meter Regulators 11/25 Regulators 1800/2000 Series Industrial Regulator 2” SERIES 1800 CAPACITY DATA - ALL CAPACITIES IN SCFH (SCMH) 0.60 S.G. Orifice Inlet PSIG (bar) 1 1/4” 1” 7/8” 7/8” 3/4” 5/8” 1/2” 3/8” 1/4” SPRING NO. 71424P019 8.5” to 14” W.C. Set: 11” W.C. Droop: 2” W.C. (21 to 35mbar) Set: 27.4mbar Droop: (5mbar Max.) 3,400 (96.3) 2,700 (76.5) 2,200 (62.3) 1 (0.07) 2,000 (56.6) 1,700 (48.1) 1,600 (45.3) 1,000 (28.3) 750 (21.2) 5,100 (144) 4,200 (119) 3,800 (108) 2 (0.14) 3,500 (99.1) 2,700 (76.5) 2,400 (68.0) 1,500 (42.5) 1,200 (34.0) 7,200 (204) 5,700 (161) 5,000 (142) 3 (0.21) 4,500 (127) 3,600 (102) 3,000 (84.9) 2,000 (56.6) 1,500 (42.5) 11,500 (326) 8,500 (241) 7,100 (201) 5 (0.34) 6,400 (181) 4,800 (136) 4,000 (113) 2,600 (73.6) 2,000 (56.6) 1,000 (28.3) 20,000 (566) 10,000 (283) 12,300 (348) 10 (0.70) 11,200 (317) 8,100 (229) 6,200 (176) 4,300 (122) 2,900 (82.1) 1,600 (45.3) 19,000 (538) 16,000 (453) 15 (1.00) 15,000 (425) 10,800 (306) 8,000 (227) 5,800 (164) 3,800 (108) 1,900 (53.8) 20,000 (566) 20 (1.40) 18,000 (510) 13,300 (377) 10,800 (306) 7,400 (210) 4,300 (122) 2,200 (62.3) 20,000 (566) 30 (2.0) 20,000 (566) 17,900 (507) 14,000 (396) 10,000 (283) 5,700 (161) 2,800 (79.3) 40 (2.80) 20,000 (566) 18,000 (510) 12,300 (348) 7,000 (198) 3,300 (93.4) 60 (4.10) 20,000 (566) 17,300 (490) 9,000 (355) 4,500 (127) 80 (5.50) 20,000 (566) 11,800 (334) 5,700 (161) 100 (6.90) 7,000 (198) 125 (8.60) 8,200 (232) Orifice Inlet PSIG (bar) 1 1/4” 1” 7/8” 7/8” 3/4” 5/8” 1/2” 3/8” 1/4” SPRING NO. 71424P019 8.5” to 14” W.C. Set: 14” W.C. Droop: 2” W.C. (21 to 35mbar) Set: 35mbar Droop: (5mbar Max.) 2,700 (76.5) 2,200 (62.3) 2,000 (56.6) 1 (0.07) 1,800 (51.0) 1,500 (52.5) 1,500 (52.5) 900 (25.5) 750 (21.2) 4,500 (127) 3,800 (108) 3,100 (87.8) 2 (0.14) 3,000 (84.9) 2,300 (65.1) 2,100 (59.5) 1,400 (39.6) 1,100 (31.1) 6,000 (170) 5,300 (150) 4,200 (119) 3 (0.21) 3,800 (108) 3,200 (90.6) 2,700 (76.5) 1,800 (51.0) 1,400 (39.6) 10,600 (300) 7,600 (215) 6,200 (176) 5 (0.34) 5,600 (158) 4,400 (125) 3,600 (102) 2,500 (70.8) 1,800 (51.0) 1,000 (28.3) 19,000 (538) 14,100 (399) 11,600 (328) 10 (0.70) 9,800 (278) 7,400 (210) 5,800 (164) 4,000 (113) 2,800 (79.3) 1,600 (45.3) 19,000 (538) 16,300 (461) 15 (1.00) 14,300 (405) 10,000 (283) 7,900 (224) 5,500 (156) 3,700 (105) 1,900 (53.8) 20,000 (566) 20 (1.40) 17,700 (501) 12,300 (348) 9,500 (269) 7,200 (204) 4,300 (122) 2,200 (62.3) 30 (2.0) 20,000 (566) 17,400 (493) 15,000 (425) 9,800 (277) 5,600 (158) 2,800 (79.3) 40 (2.80) 20,000 (566) 18,000 (510) 12,200 (345) 7,000 (198) 3,300 (93) 60 (4.10) 20,000 (566) 17,300 (490) 9,000 (255) 4,500 (127) 80 (5.50) 20,000 (566) 11,800 (334) 5,700 (161) 100 (6.90) 7,000 (198) 125 (8.60) 8,100 (229) For optimum performance, regulator should be operated above solid line. Orifice Size For Models with Silver Holder With OPSO Orifice Size For Models with Silver Holder With OPSO Orifice Size For Models with Red Holder With OPSO Orifice Size For Models with Red Holder With OPSO Orifice Size For Models with Blue Holder Without OPSO Orifice Size For Models with Blue Holder Without OPSO Orifice Size For Models with Silver Holder Without OPSO Orifice Size For Models with Silver Holder Without OPSO
