Capacities of 8697 Metering Orifice Plates (SI Units) 90-387 Plates, 3.6 - 48.6 mbar
30.00
28.50
20.70
27.00
19.20
25.50
17.70
24.00
Plate No. = cfh Natural Gas with 3 ½ "w.c. drop (8.72 mbar)
22.50
16.20
21.00
14.70
19.50
387
18.00
13.20
324
16.50
11.70
270
15.00
10.20
13.50
225
12.00
8.70
186
10.50
7.20
9.00
156
130
5.70
7.50
6.00
108
4.20
4.50
90
2.70
3.00
1.50
1.20
3.60 6.10 8.60 11.10 13.60 16.10 18.60 21.10 23.60 26.10 28.60 31.10 33.60 36.10 38.60 41.10 43.60 46.10 48.60
Pressure Drop mbar
Bulletin 8697 Page 13
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