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 are shown. Types K4, R4 and RG4 are used with nominal 1/4" tube fittings. Type BFS is for 45° flare fittings and Type CFJ is for 37° flare fittings. Type OD is a pipe adapter.
Unit of Measure

Dimensions

Orifice Diameter

 0.0960 in

Outside Diameter

 0.47 in

Width

 0.030 in

Specifications

Material

 316 SS

Nominal Orifice Size

 96

CV

 0.210

Finish

 Silver Plated

Maximum Operating Pressure

 100 psig

Connection A

 1/4" Face Seal

Application

N/A

  • Types R4 and RG4 are suitable for use with face seal fittings.

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)

 1 psig: 63.7 5 psig: 138 10 psig: 181 15 psig: 218 20 psig: 256 25 psig: 292 30 psig: 331 40 psig: 405 50 psig: 481 60 psig: 559 70 psig: 638 80 psig: 716 90 psig: 792 100 psig: 875

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

 5 In. Hg.: 88.6 10 In. Hg.: 110

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

 15 In. Hg.: 115 20 In. Hg.: 115 30 In. Hg.: 115

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

 1 psig (6.9 kPag): 30.1 5 psig (34.5 kPag): 65 10 psig (69.0 kPag): 85.5 15 psig (103.4 kPag): 103 20 psig (137.9 kPag): 121 25 psig (172.4 kPag): 138 30 psig (206.9 kPag): 156 40 psig (275.8 kPag): 191 50 psig (344.8 kPag): 227 60 psig (413.7 kPag): 264 70 psig (482.7 kPag): 301 80 psig (551.6 kPag): 338 90 psig (620.6 kPag): 374 100 psig (689.5 kPag): 413

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

 5 In. Hg. (127 Mm. Hg.): 41.8 10 In. Hg. (254 Mm. Hg.): 52.1

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

 15 In. Hg. (381 Mm. Hg.): 54.4 20 In. Hg. (508 Mm. Hg.): 54.4 30 In. Hg. (762 Mm. Hg.): 54.4

Water Flow - Gallons/minute (GPM)

 1 psig: 0.210 2 psig: 0.297 3 psig: 0.364 4 psig: 0.420 5 psig: 0.470 6 psig: 0.514 7 psig: 0.556 8 psig: 0.594 9 psig: 0.630 10 psig: 0.664 15 psig: 0.813 20 psig: 0.939 30 psig: 1.150 40 psig: 1.328 50 psig: 1.485 60 psig: 1.627 70 psig: 1.757 80 psig: 1.878 90 psig: 1.992 100 psig: 2.100

Water Flow - Liters/minute (LPM)

 1 psig (6.9 kPag): 0.795 2 psig (13.8 kPag): 1.124 3 psig (20.7 kPag): 1.377 4 psig (27.6 kPag): 1.59 5 psig (34.5 kPag): 1.778 6 psig (41.4 kPag): 1.947 7 psig (48.3 kPag): 2.103 8 psig (55.2 kPag): 2.248 9 psig (62.1 kPag): 2.385 10 psig (69 kPag): 2.514 15 psig (103.4 kPag): 3.079 20 psig (137.9 kPag): 3.555 30 psig (206.9 kPag): 4.354 40 psig (275.8 kPag): 5.028 50 psig (344.8 kPag): 5.621 60 psig (413.7 kPag): 6.158 70 psig (482.7 kPag): 6.651 80 psig (551.6 kPag): 7.110 90 psig (620.6 kPag): 7.541 100 psig (689.5 kPag): 7.949

Flow Data Status

 Generic