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 63

CV

 N/A 0.088

Maximum Operating Pressure

 N/A 2000 psig

Connection A

 N/A 3/8" NPT Male

Connection B

 N/A 3/8" 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 0.063 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Width Across Flats (Hex)

 N/A 7/8 in

Total Length

 N/A 1.520 in

Flow Data

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

 N/A 1 psig: 25.9 5 psig: 55.3 10 psig: 74.6 15 psig: 90.3 20 psig: 106 25 psig: 122 30 psig: 138 40 psig: 170 50 psig: 202 60 psig: 233 70 psig: 267 80 psig: 298 90 psig: 331 100 psig: 362

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

 N/A 5 In. Hg.: 36.2 10 In. Hg.: 44.9

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

 N/A 15 In. Hg.: 46.8 20 In. Hg.: 46.8 30 In. Hg.: 46.8

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

 N/A 1 psig (6.9 kPag): 12.2 5 psig (34.5 kPag): 26.1 10 psig (69.0 kPag): 35.2 15 psig (103.4 kPag): 42.6 20 psig (137.9 kPag): 50.1 25 psig (172.4 kPag): 57.7 30 psig (206.9 kPag): 65.2 40 psig (275.8 kPag): 80.3 50 psig (344.8 kPag): 95.4 60 psig (413.7 kPag): 110 70 psig (482.7 kPag): 126 80 psig (551.6 kPag): 141 90 psig (620.6 kPag): 156 100 psig (689.5 kPag): 171

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

 N/A 5 In. Hg. (127 Mm. Hg.): 17.1 10 In. Hg. (254 Mm. Hg.): 21.2

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

 N/A 15 In. Hg. (381 Mm. Hg.): 22.1 20 In. Hg. (508 Mm. Hg.): 22.1 30 In. Hg. (762 Mm. Hg.): 22.1

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.088 2 psig: 0.124 3 psig: 0.152 4 psig: 0.176 5 psig: 0.197 6 psig: 0.216 7 psig: 0.233 8 psig: 0.249 9 psig: 0.264 10 psig: 0.278 15 psig: 0.341 20 psig: 0.394 30 psig: 0.482 40 psig: 0.557 50 psig: 0.622 60 psig: 0.682 70 psig: 0.736 80 psig: 0.787 90 psig: 0.835 100 psig: 0.880

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.333 2 psig (13.8 kPag): 0.471 3 psig (20.7 kPag): 0.577 4 psig (27.6 kPag): 0.666 5 psig (34.5 kPag): 0.745 6 psig (41.4 kPag): 0.816 7 psig (48.3 kPag): 0.881 8 psig (55.2 kPag): 0.942 9 psig (62.1 kPag): 0.999 10 psig (69 kPag): 1.053 15 psig (103.4 kPag): 1.290 20 psig (137.9 kPag): 1.490 30 psig (206.9 kPag): 1.825 40 psig (275.8 kPag): 2.107 50 psig (344.8 kPag): 2.355 60 psig (413.7 kPag): 2.580 70 psig (482.7 kPag): 2.787 80 psig (551.6 kPag): 2.979 90 psig (620.6 kPag): 3.16 100 psig (689.5 kPag): 3.331

Flow Data Status

 N/A Generic