Capacities of 8697 Metering Orifice Plates (US Customary Units) 468-2000 Plates, 0.1 - 1.0"w.c.
105.00 130.00 155.00 180.00 205.00 230.00 255.00 280.00 305.00 330.00 355.00 380.00 405.00 430.00 455.00 480.00 505.00 530.00 555.00 580.00 605.00 630.00 655.00 680.00 705.00 730.00 755.00 780.00 805.00 830.00
125.00 155.00 185.00 215.00 245.00 275.00 305.00 335.00 365.00 395.00 425.00 455.00 485.00 515.00 545.00 575.00 605.00 635.00 665.00 695.00 725.00 755.00 785.00 815.00 845.00 875.00 905.00 935.00 965.00 995.00 1025.00 1055.00
Plate No. = cfh Natural Gas with 3 ½ "w.c. drop (8.72 mbar)
2000
1670
1400
1160
972
810
675
558
468
55.00 80.00
65.00 95.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.90
1.00
Pressure Drop, inches of water column ("w.c.)
Bulletin 8697 Page 5
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