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[email protected] | aymcdonald.com A.Y. McDonald American Meter Regulators 11/25 Regulators 1800/2000 Series Industrial Regulator 1 1/2” SERIES 1800 CAPACITY DATA - ALL CAPACITIES IN SCFH (SCMH) 0.60 S.G. Orifice Size - All Models with Silver Holder Orifice Size - All Models with Silver Holder Orifice Size - All Models with Silver Holder Orifice Size - All Models with Silver Holder Orifice Inlet PSIG (bar) Orifice 1 1/4” 1” 7/8” 3/4” 5/8” 1/2” 3/8” 1/4” 1 1/4” 1” 7/8” 3/4” 5/8” 1/2” 3/8” 1/4” SPRING NO. 71424P017 3.5” to 6” W.C. Set: 6” W.C. Droop: 1” W.C. Max. Compound: 2” W.C. (8.7 to 15mbar) Set: 15mbar Droop: 2.5 mbar Max. Compound: (5mbar) 2,000 (56.6) 1,600 (45.3) 1,300 (36.8) 1,100 (31.1) 900 (25.5) 550 (15.6) 1/2” (0.03) 1,900 (53.8) 1,550 (43.9) 1,300 (36.8) 1,100 (31.1) 1,000 (28.3) 600 (17.0) SPRING NO. 71424P018 5.5” to 8” W.C. Set: 7” Droop: 1” W.C. Max. Compound: 2” W.C. (13.7 to 20mbar) Set: 17.4mbar Droop: 2.5 mbar Max. Compound: (5mbar) 2,850 (80.7) 2,300 (65.1) 2,100 (59.5) 1,800 (51.0) 1,400 (39.6) 1,100 (31.1) 750 (21.2) 1 (0.07) 2,750 (77.9) 2,300 (65.1) 1,850 (52.4) 1,800 (51.0) 1,300 (36.8) 1,150 (32.6) 780 (19.8) 3,800 (108) 3,250 (92.0) 2,900 (81.2) 2,700 (76.5) 2,000 (56.6) 1,700 (48.1) 1,200 (34.0) 2 (0.14) 3,750 (106) 3,300 (93.4) 2,600 (73.6) 2,600 (73.6) 2,000 (56.6) 1,800 (51.0) 1,100 (31.1) 4,500 (127) 3,900 (110) 3,400 (96.3) 3,400 (96.4) 2,500 (70.8) 2,200 (62.3) 1,400 (39.6) 3 (0.21) 4,500 (127) 3,900 (110) 3,300 (93.4) 3,200 (90.6) 2,500 (70.8) 2,100 (59.5) 1,300 (36.8) 5,700 (161) 5,100 (114) 4,400 (125) 4,300 (122) 3,300 (93.4) 2,900 (82.1) 2,000 (56.6) 1,100 (31.1) 5 (0.34) 5,700 (161) 5,100 (114) 4,300 (122) 4,000 (113) 3,400 (96.4) 2,950 (83.5) 1,800 (51.0) 1,000 (28.3) 7,500 (212) 6,200 (176) 6,100 (173) 4,800 (136) 4,400 (125) 3,000 (84.9) 1,550 (43.9) 10 (0.70) 7,400 (210) 6,300 (178) 6,000 (170) 5,000 (142) 4,400 (125) 3,000 (84.9) 1,600 (45.3) 9,100 (258) 7,900 (224) 7,500 (213) 6,200 (176) 5,400 (153) 3,850 (109) 1,900 (53.8) 15 (1.00) 9,150 (259) 7,800 (221) 7,500 (212) 6,300 (178) 5,500 (156) 3,850 (109) 1,900 (53.8) 9,200 (260) 8,700 (246) 7,200 (204) 6,300 (178) 4,600 (130) 2,300 (65.1) 20 (1.40) 9,300 (263) 8,600 (243) 7,250 (205) 6,400 (181) 4,550 (129) 2,200 (62.3) 11,750 (333) 11,100 (314) 9,000 (255) 7,700 (218) 5,900 (167) 2,850 (80.7) 30 (2.0) 11,800 (334) 10,700 (303) 8,900 (252) 8,100 (229) 5,800 (164) 2,800 (79.3) 12,300 (348) 10,800 (306) 9,200 (260) 7,200 (204) 3,400 (96.3) 40 (2.80) 12,300 (348) 11,000 (311) 9,300 (263) 7,150 (202) 3,400 (96.3) 12,000 (340) 9,400 (266) 4,500 (127) 60 (4.10) 12,000 (340) 9,400 (266) 4,500 (127) 5,850 (165) 80 (5.50) 5,800 (164) 7,000 (198) 100 (6.90) 7,000 (198) 8,400 (238) 125 (8.60) 8,300 (235) Orifice Inlet PSIG (bar) Orifice 1 1/4” 1” 7/8” 3/4” 5/8” 1/2” 3/8” 1/4” 1 1/4” 1” 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) 2,800 (79.3) 2,300 (65.1) 1,900 (53.8) 1,800 (51.0) 1,300 (36.8) 1,100 (31.1) 750 (21.2) 1 (0.07) 2,550 (72.2) 2,100 (59.5) 1,700 (48.1) 1,500 (42.5) 1,300 (36.8) 1,000 (28.3) 700 (19.8) SPRING NO. 71424P019 8.5”to14”W.C. Set: 14” W.C. Droop: 2” W.C. (21 to 35mbar Set: 34.8mbar Droop: (5mbar Max) 4,300 (122) 3,500 (99.1) 2,800 (79.3) 2,500 (70.8) 2,000 (56.6) 1,700 (48.1) 1,200 (34.0) 2 (0.14) 3,800 (108) 3,200 (90.6) 2,600 (73.6) 2,400 (68.0) 1,900 (53.8) 1,500 (42.8) 1,000 (28.3) 5,800 (164) 4,000 (113) 3,550 (100) 3,200 (90.6) 2,550 (72.2) 2,100 (59.5) 1,400 (39.6) 3 (0.21) 4,750 (134) 4,000 (113) 3,200 (90.6) 3,100 (87.7) 2,500 (70.8) 2,000 (56.6) 1,350 (38.2) 6,100 (173) 5,300 (150) 4,500 (127) 4,200 (119) 3,600 (102) 2,800 (79.3) 2,000 (56.6) 1,000 (28.3) 5 (0.34) 5,700 (161) 5,400 (153) 4,400 (125) 4,100 (116) 3,300 (93.4) 2,600 (73.6) 1,800 (51.0) 1,000 (28.3) 8,000 (226) 7,600 (215) 6,600 (187) 6,200 (176) 5,100 (144) 4,300 (122) 2,900 (82.1) 1,500 (42.5) 10 (0.70) 8,200 (232) 7,800 (221) 6,400 (181) 6,100 (173) 4,900 (139) 4,100 (116) 2,800 (79.3) 1,500 (42.5) 9,300 (263) 8,100 (229) 7,800 (221) 6,500 (184) 5,400 (153) 3,800 (108) 1,850 (52.4) 15 (1.00) 9,400 (266) 8,000 (226) 7,600 (215) 6,250 (177) 5,200 (147 3,700 (105) 1,900 (53.8) 9,500 (269) 9,000 (255) 7,350 (208) 6,500 (184) 4,500 (127) 2,150 (60.9) 20 (1.40) 9,600 (272) 8,800 (249) 7,500 (212) 6,200 (176) 4,300 (122) 2,200 (62.3) 12,300 (348) 11,100 (314) 9,200 (260) 8,100 (229) 5,800 (164) 2,700 (76.5) 30 (2.0) 12,200 (345) 11,100 (314) 9,400 (266) 8,000 (226) 5,600 (159) 2,800 (79.3) 12,700 (360) 11,400 (323) 9,500 (268) 7,200 (204) 3,300 (93.4) 40 (2.80) 12,800 (362) 11,200 (317) 9,300 (263) 7,100 (201) 3,300 (93.4) 13,900 (394) 12,500 (354) 9,600 (272) 5,800 (164) 60 (4.10) 13,800 (391) 12,300 (348) 9,400 (266) 4,500 (127) 14,100 (399) 11,800 (344) 5,700 (161) 80 (5.50) 14,000 (396) 11,800 (334) 5,700 (161) 7,000 (198) 100 (6.90) 7,000 (198) 8,200 (232) 125 (8.60) 8,100 (299) For optimum performance, regulator should be operated above solid line.
