O’Keefe Controls Co.
O’Keefe Controls Co.
4 Maple Drive
Monroe, CT 06468
Phone: 203.261.6711
Email: info@okeefecontrols.com • Website: www.okeefecontrols.com
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    Precision orifice assemblies that adapt to common fittings used in process instruments and hydraulic systems.
Unit of Measure

Specifications

Seal Material

 N/A Viton

Material

 N/A Brass

Nominal Orifice Size

 N/A 24

CV

 N/A 0.013

Maximum Operating Pressure

 N/A 2000 psig

Connection A

 N/A 1/8" NPT Female

Connection B

 N/A 9/16-18 Male UNF with O-Ring

Screened

 N/A Screened

Dimensions

Orifice Diameter

 N/A 0.024 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Width Across Flats (Hex)

 N/A 5/8 in

Total Length

 N/A 0.75 in

Application

N/A

    Type K4 is a 1/4" OD Tube and is suitable for use with a wide variety of compression fittings.Type K2 is for 1/8" OD Tube fittings.Types R4 and RG4 are suitable for use with face seal fittings. Types BFS and CFJ are used in hydraulic circuits, having SAE flare connections.

Advantages

N/A

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

Flow Data

Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH)

 N/A 1 psig: 3.26 5 psig: 7.48 10 psig: 11.0 15 psig: 13.6 20 psig: 16.1 25 psig: 18.3 30 psig: 20.7 40 psig: 25.4 50 psig: 30.1 60 psig: 34.7 70 psig: 39.2 80 psig: 43.9 90 psig: 48.5 100 psig: 53.2

Air Flow at Vacuum - Standard Cu. Ft. Per Hour (SCFH)

 N/A 5 In. Hg.: 4.87 10 In. Hg.: 6.12

Air Flow at Vacuum, Choked Flow - Standard Cu. Ft. Per Hour (SCFH)

 N/A 15 In. Hg.: 6.61 20 In. Hg.: 6.61 30 In. Hg.: 6.61

Air Flow at Pressure - Standard Liters Per Minute (SLPM)

 N/A 1 psig (6.9 kPag): 1.54 5 psig (34.5 kPag): 3.53 10 psig (69.0 kPag): 5.18 15 psig (103.4 kPag): 6.43 20 psig (137.9 kPag): 7.58 25 psig (172.4 kPag): 8.65 30 psig (206.9 kPag): 9.75 40 psig (275.8 kPag): 12.0 50 psig (344.8 kPag): 14.2 60 psig (413.7 kPag): 16.4 70 psig (482.7 kPag): 18.5 80 psig (551.6 kPag): 20.7 90 psig (620.6 kPag): 22.9 100 psig (689.5 kPag): 25.1

Air Flow at Vacuum - Standard Liters Per Minute (SLPM)

 N/A 5 In. Hg. (127 Mm. Hg.): 2.30 10 In. Hg. (254 Mm. Hg.): 2.89

Air Flow at Vacuum, Choked Flow - Standard Liters Per Minute (SCFH)

 N/A 15 In. Hg. (381 Mm. Hg.): 3.12 20 In. Hg. (508 Mm. Hg.): 3.12 30 In. Hg. (762 Mm. Hg.): 3.12

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.013 2 psig: 0.018 3 psig: 0.023 4 psig: 0.026 5 psig: 0.029 6 psig: 0.032 7 psig: 0.034 8 psig: 0.037 9 psig: 0.039 10 psig: 0.041 15 psig: 0.050 20 psig: 0.058 30 psig: 0.071 40 psig: 0.082 50 psig: 0.092 60 psig: 0.101 70 psig: 0.109 80 psig: 0.116 90 psig: 0.123 100 psig: 0.130

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.049 2 psig (13.8 kPag): 0.070 3 psig (20.7 kPag): 0.085 4 psig (27.6 kPag): 0.098 5 psig (34.5 kPag): 0.110 6 psig (41.4 kPag): 0.110 7 psig (48.3 kPag): 0.130 8 psig (55.2 kPag): 0.139 9 psig (62.1 kPag): 0.148 10 psig (69 kPag): 0.156 15 psig (103.4 kPag): 0.191 20 psig (137.9 kPag): 0.220 30 psig (206.9 kPag): 0.270 40 psig (275.8 kPag): 0.311 50 psig (344.8 kPag): 0.348 60 psig (413.7 kPag): 0.381 70 psig (482.7 kPag): 0.412 80 psig (551.6 kPag): 0.440 90 psig (620.6 kPag): 0.467 100 psig (689.5 kPag): 0.492

Flow Data Status

 N/A Generic