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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    One-piece construction of solid metal is employed. Orifices are accurately machined, thoroughly cleaned, and flow tested to exacting standards. Sizes range from .004" to .125" orifice diameter. Special sizes can be made to order.
Unit of Measure

Specifications

Material

 N/A Brass

Nominal Orifice Size

 N/A 73

CV

 N/A 0.120

Maximum Operating Pressure

 N/A 2000 psig

Connection A

 N/A 1/8" NPT Male

Connection B

 N/A 1/8" NPT Female

Screened

 N/A None

Application

N/A

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

Dimensions

Orifice Diameter

 N/A 0.0730 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Width Across Flats (Hex)

 N/A 9/16 in

Total Length

 N/A 0.880 in

Flow Data

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

 N/A 1 psig: 35.9 5 psig: 76.5 10 psig: 103 15 psig: 125 20 psig: 146 25 psig: 168 30 psig: 190 40 psig: 233 50 psig: 278 60 psig: 320 70 psig: 362 80 psig: 405 90 psig: 447 100 psig: 496

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

 N/A 5 In. Hg.: 50.6 10 In. Hg.: 63.4

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

 N/A 15 In. Hg.: 66.1 20 In. Hg.: 66.1 30 In. Hg.: 66.1

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

 N/A 1 psig (6.9 kPag): 16.9 5 psig (34.5 kPag): 36.1 10 psig (69.0 kPag): 48.5 15 psig (103.4 kPag): 58.8 20 psig (137.9 kPag): 69 25 psig (172.4 kPag): 79.3 30 psig (206.9 kPag): 89.5 40 psig (275.8 kPag): 110 50 psig (344.8 kPag): 131 60 psig (413.7 kPag): 151 70 psig (482.7 kPag): 171 80 psig (551.6 kPag): 191 90 psig (620.6 kPag): 211 100 psig (689.5 kPag): 234

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

 N/A 5 In. Hg. (127 Mm. Hg.): 23.9 10 In. Hg. (254 Mm. Hg.): 29.9

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

 N/A 15 In. Hg. (381 Mm. Hg.): 31.2 20 In. Hg. (508 Mm. Hg.): 31.2 30 In. Hg. (762 Mm. Hg.): 31.2

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.120 2 psig: 0.170 3 psig: 0.208 4 psig: 0.240 5 psig: 0.268 6 psig: 0.294 7 psig: 0.317 8 psig: 0.339 9 psig: 0.360 10 psig: 0.379 15 psig: 0.465 20 psig: 0.537 30 psig: 0.657 40 psig: 0.759 50 psig: 0.849 60 psig: 0.930 70 psig: 1.004 80 psig: 1.073 90 psig: 1.138 100 psig: 1.200

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.454 2 psig (13.8 kPag): 0.642 3 psig (20.7 kPag): 0.787 4 psig (27.6 kPag): 0.908 5 psig (34.5 kPag): 1.016 6 psig (41.4 kPag): 1.113 7 psig (48.3 kPag): 1.202 8 psig (55.2 kPag): 1.285 9 psig (62.1 kPag): 1.363 10 psig (69 kPag): 1.436 15 psig (103.4 kPag): 1.759 20 psig (137.9 kPag): 2.031 30 psig (206.9 kPag): 2.488 40 psig (275.8 kPag): 2.873 50 psig (344.8 kPag): 3.212 60 psig (413.7 kPag): 3.519 70 psig (482.7 kPag): 3.801 80 psig (551.6 kPag): 4.063 90 psig (620.6 kPag): 4.309 100 psig (689.5 kPag): 4.542

Flow Data Status

 N/A Generic