Part Number AM-3006-28-SS, Compression Fittings - Tube Union, 3/16 inch OD, Type AM-3006 On O'Keefe Controls Co.

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Precision orifice assemblies that adapt to common fittings used in the process industry. Press-fit inserts are used with standard compression tube fittings to form a precision orifice assembly. The fittings shown here are for 1/4" OD tubing, or 3/16" OD tubing.

Unit of Measure

Material	N/A 316 SS
Nominal Orifice Size	N/A 28
C_V	N/A 0.018
Maximum Operating Pressure	N/A 4000 psig
Maximum Pressure Differential	N/A 200 psid
Connection A	N/A 3/16" OD Tube Compression
Connection B	N/A 3/16" OD Tube Compression
Screened	N/A None

Orifice Diameter	N/A 0.028 in
Orifice Diameter Accuracy	N/A ±0.0005 in
Width Across Flats (Hex)	N/A 1/2 in
Total Length	N/A 1.47 in
Width Across Flats (Hex) 2	N/A 7/16 in

N/A

Compression fittings are used with a metal or rigid plastic tubing. These fittings are used in instrumentation for process control systems. The nature of the connectors allow for easy disassembly and re-assembly without the need for teflon tape or sealants.

N/A

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

Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH)	N/A 1 psig: 4.68 5 psig: 10.5 10 psig: 15.2 15 psig: 18.6 20 psig: 21.8 25 psig: 24.8 30 psig: 28.0 40 psig: 34.1 50 psig: 40.3 60 psig: 46.4 70 psig: 52.5 80 psig: 58.7 90 psig: 65.0 100 psig: 71.4
Air Flow at Vacuum - Standard Cu. Ft. Per Hour (SCFH)	N/A 5 In. Hg.: 6.7 10 In. Hg.: 8.48
Air Flow at Vacuum, Choked Flow - Standard Cu. Ft. Per Hour (SCFH)	N/A 15 In. Hg.: 8.90 20 In. Hg.: 8.9 30 In. Hg.: 8.90
Air Flow at Pressure - Standard Liters Per Minute (SLPM)	N/A 1 psig (6.9 kPag): 2.21 5 psig (34.5 kPag): 4.94 10 psig (69.0 kPag): 7.18 15 psig (103.4 kPag): 8.78 20 psig (137.9 kPag): 10.3 25 psig (172.4 kPag): 11.7 30 psig (206.9 kPag): 13.2 40 psig (275.8 kPag): 16.1 50 psig (344.8 kPag): 19.0 60 psig (413.7 kPag): 21.9 70 psig (482.7 kPag): 24.8 80 psig (551.6 kPag): 27.7 90 psig (620.6 kPag): 30.7 100 psig (689.5 kPag): 33.7
Air Flow at Vacuum - Standard Liters Per Minute (SLPM)	N/A 5 In. Hg. (127 Mm. Hg.): 3.16 10 In. Hg. (254 Mm. Hg.): 4.00
Air Flow at Vacuum, Choked Flow - Standard Liters Per Minute (SCFH)	N/A 15 In. Hg. (381 Mm. Hg.): 4.20 20 In. Hg. (508 Mm. Hg.): 4.20 30 In. Hg. (762 Mm. Hg.): 4.20
Water Flow - Gallons/minute (GPM)	N/A 1 psig: 0.018 2 psig: 0.025 3 psig: 0.031 4 psig: 0.036 5 psig: 0.040 6 psig: 0.044 7 psig: 0.048 8 psig: 0.051 9 psig: 0.054 10 psig: 0.057 15 psig: 0.070 20 psig: 0.080 30 psig: 0.099 40 psig: 0.114 50 psig: 0.127 60 psig: 0.139 70 psig: 0.151 80 psig: 0.161 90 psig: 0.171 100 psig: 0.180
Water Flow - Liters/minute (LPM)	N/A 1 psig (6.9 kPag): 0.068 2 psig (13.8 kPag): 0.096 3 psig (20.7 kPag): 0.118 4 psig (27.6 kPag): 0.136 5 psig (34.5 kPag): 0.152 6 psig (41.4 kPag): 0.152 7 psig (48.3 kPag): 0.180 8 psig (55.2 kPag): 0.193 9 psig (62.1 kPag): 0.204 10 psig (69 kPag): 0.215 15 psig (103.4 kPag): 0.264 20 psig (137.9 kPag): 0.305 30 psig (206.9 kPag): 0.373 40 psig (275.8 kPag): 0.431 50 psig (344.8 kPag): 0.482 60 psig (413.7 kPag): 0.528 70 psig (482.7 kPag): 0.570 80 psig (551.6 kPag): 0.609 90 psig (620.6 kPag): 0.646 100 psig (689.5 kPag): 0.681
Flow Data Status	N/A Generic

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Material

Nominal Orifice Size

CV

Maximum Operating Pressure

Maximum Pressure Differential

Connection A

Connection B

Screened

C_V