Part Number K2-20-SS, Precision Metal Orifices - Compression Fittings, Tube Stubs On O'Keefe Controls Co.

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Precision orifice assemblies that adapt to common fittings used in process instruments and hydraulic systems are shown.

Unit of Measure

Orifice Diameter	N/A 0.02 in
Total Length	N/A 1.25 in
Outside Diameter	N/A 0.125 in

Material	N/A 316 SS
Nominal Orifice Size	N/A 20
C_V	N/A 0.0088
Maximum Operating Pressure	N/A 4000 psig
Connection A	N/A 1/8" OD Tube
Connection B	N/A 1/8" OD Tube
Screened	N/A None

N/A

High Pressure Capability
Bi-directional Flow
Economical Precision Orifice
Repeatable Orifice Size and Shape
Predictable Flow Rate

N/A

Type K2 is for 1/8" OD Tube fittings.

Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH)	N/A 1 psig: 2.22 5 psig: 5.23 10 psig: 6.70 15 psig: 8.50 20 psig: 10.3 25 psig: 11.8 30 psig: 13.4 40 psig: 16.5 50 psig: 19.6 60 psig: 22.7 70 psig: 25.9 80 psig: 29.0 90 psig: 32.2 100 psig: 35.2
Air Flow at Vacuum - Standard Cu. Ft. Per Hour (SCFH)	N/A 5 In. Hg.: 3.28 10 In. Hg.: 4.15
Air Flow at Vacuum, Choked Flow - Standard Cu. Ft. Per Hour (SCFH)	N/A 15 In. Hg.: 4.64 20 In. Hg.: 4.64 30 In. Hg.: 4.64
Air Flow at Pressure - Standard Liters Per Minute (SLPM)	N/A 1 psig (6.9 kPag): 1.05 5 psig (34.5 kPag): 2.47 10 psig (69.0 kPag): 3.16 15 psig (103.4 kPag): 4.01 20 psig (137.9 kPag): 4.84 25 psig (172.4 kPag): 5.59 30 psig (206.9 kPag): 6.33 40 psig (275.8 kPag): 7.81 50 psig (344.8 kPag): 9.26 60 psig (413.7 kPag): 10.7 70 psig (482.7 kPag): 12.2 80 psig (551.6 kPag): 13.7 90 psig (620.6 kPag): 15.2 100 psig (689.5 kPag): 16.6
Air Flow at Vacuum - Standard Liters Per Minute (SLPM)	N/A 5 In. Hg. (127 Mm. Hg.): 1.55 10 In. Hg. (254 Mm. Hg.): 1.96
Air Flow at Vacuum, Choked Flow - Standard Liters Per Minute (SCFH)	N/A 15 In. Hg. (381 Mm. Hg.): 2.19 20 In. Hg. (508 Mm. Hg.): 2.19 30 In. Hg. (762 Mm. Hg.): 2.19
Water Flow - Gallons/minute (GPM)	N/A 1 psig: 0.009 2 psig: 0.012 3 psig: 0.015 4 psig: 0.018 5 psig: 0.020 6 psig: 0.022 7 psig: 0.023 8 psig: 0.025 9 psig: 0.026 10 psig: 0.028 15 psig: 0.034 20 psig: 0.039 30 psig: 0.048 40 psig: 0.056 50 psig: 0.062 60 psig: 0.068 70 psig: 0.074 80 psig: 0.079 90 psig: 0.083 100 psig: 0.088
Water Flow - Liters/minute (LPM)	N/A 1 psig (6.9 kPag): 0.033 2 psig (13.8 kPag): 0.047 3 psig (20.7 kPag): 0.058 4 psig (27.6 kPag): 0.067 5 psig (34.5 kPag): 0.074 6 psig (41.4 kPag): 0.074 7 psig (48.3 kPag): 0.088 8 psig (55.2 kPag): 0.094 9 psig (62.1 kPag): 0.100 10 psig (69 kPag): 0.105 15 psig (103.4 kPag): 0.129 20 psig (137.9 kPag): 0.149 30 psig (206.9 kPag): 0.182 40 psig (275.8 kPag): 0.211 50 psig (344.8 kPag): 0.236 60 psig (413.7 kPag): 0.258 70 psig (482.7 kPag): 0.279 80 psig (551.6 kPag): 0.298 90 psig (620.6 kPag): 0.316 100 psig (689.5 kPag): 0.333
Flow Data Status	N/A Generic

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