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 113

CV

 N/A 0.310

Maximum Operating Pressure

 N/A 2000 psig

Connection A

 N/A 1/2" NPT Male

Connection B

 N/A 1/2" 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 0.1130 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Width Across Flats (Hex)

 N/A 1 1/16 in

Total Length

 N/A 1.690 in

Flow Data

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

 N/A 1 psig: 91.4 5 psig: 195 10 psig: 250 15 psig: 303 20 psig: 354 25 psig: 405 30 psig: 458 40 psig: 566 50 psig: 672 60 psig: 780 70 psig: 892 80 psig: 1000 90 psig: 1106 100 psig: 1225

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

 N/A 5 In. Hg.: 123 10 In. Hg.: 153

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

 N/A 15 In. Hg.: 160 20 In. Hg.: 160 30 In. Hg.: 160

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

 N/A 1 psig (6.9 kPag): 43.1 5 psig (34.5 kPag): 92.1 10 psig (69.0 kPag): 118 15 psig (103.4 kPag): 143 20 psig (137.9 kPag): 167 25 psig (172.4 kPag): 191 30 psig (206.9 kPag): 216 40 psig (275.8 kPag): 267 50 psig (344.8 kPag): 317 60 psig (413.7 kPag): 368 70 psig (482.7 kPag): 421 80 psig (551.6 kPag): 472 90 psig (620.6 kPag): 522 100 psig (689.5 kPag): 578

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

 N/A 5 In. Hg. (127 Mm. Hg.): 57.9 10 In. Hg. (254 Mm. Hg.): 72.2

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

 N/A 15 In. Hg. (381 Mm. Hg.): 75.3 20 In. Hg. (508 Mm. Hg.): 75.3 30 In. Hg. (762 Mm. Hg.): 75.3

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.310 2 psig: 0.438 3 psig: 0.537 4 psig: 0.620 5 psig: 0.693 6 psig: 0.759 7 psig: 0.820 8 psig: 0.877 9 psig: 0.930 10 psig: 0.980 15 psig: 1.201 20 psig: 1.386 30 psig: 1.698 40 psig: 1.961 50 psig: 2.192 60 psig: 2.401 70 psig: 2.594 80 psig: 2.773 90 psig: 2.941 100 psig: 3.100

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 1.173 2 psig (13.8 kPag): 1.660 3 psig (20.7 kPag): 2.033 4 psig (27.6 kPag): 2.347 5 psig (34.5 kPag): 2.624 6 psig (41.4 kPag): 2.874 7 psig (48.3 kPag): 3.105 8 psig (55.2 kPag): 3.319 9 psig (62.1 kPag): 3.52 10 psig (69 kPag): 3.711 15 psig (103.4 kPag): 4.545 20 psig (137.9 kPag): 5.248 30 psig (206.9 kPag): 6.427 40 psig (275.8 kPag): 7.422 50 psig (344.8 kPag): 8.298 60 psig (413.7 kPag): 9.09 70 psig (482.7 kPag): 9.818 80 psig (551.6 kPag): 10.496 90 psig (620.6 kPag): 11.133 100 psig (689.5 kPag): 11.735

Flow Data Status

 N/A Generic