m^3 Natur

al Gas

m^3 Air

Pressure Drop mbar

Capacities of 8697 Metering Orifi ce Plates (SI Units)

2400-12450 Plates, 0.25 - 2.45 mbar 

Bulletin 8697

Page 12

0.85

10.85

20.85

30.85

40.85

50.85

60.85

70.85

80.85

90.85

100.85

110.85

120.85

130.85

140.85

11.00

21.00

31.00

41.00

51.00

61.00

71.00

81.00

91.00

101.00

111.00

121.00

131.00

141.00

151.00

161.00

171.00

181.00

0.25 0.35 0.45 0.55 0.65 0.75 0.85 0.95 1.05 1.15 1.25 1.35 1.45 1.55 1.65 1.75 1.85 1.95 2.05 2.15 2.25 2.35 2.45

12450

10350

8640

7200

6000

4970

4150

3450

2880

2400

    Plate No.
= cfh Natural
   Gas with
3

½  

"w.c. drop

(8.72 mbar)