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 303 SS

Nominal Orifice Size

 N/A 67

CV

 N/A 0.100

Maximum Operating Pressure

 N/A 4000 psig

Connection A

 N/A 1/4" NPT Male

Connection B

 N/A 1/4" 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 0.0670 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Width Across Flats (Hex)

 N/A 3/4 in

Total Length

 N/A 1.25 in

Flow Data

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

 N/A 1 psig: 30.1 5 psig: 64.2 10 psig: 86.2 15 psig: 104 20 psig: 123 25 psig: 141 30 psig: 160 40 psig: 196 50 psig: 233 60 psig: 269 70 psig: 307 80 psig: 343 90 psig: 379 100 psig: 415

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

 N/A 5 In. Hg.: 42.4 10 In. Hg.: 51.7

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

 N/A 15 In. Hg.: 54.0 20 In. Hg.: 54.0 30 In. Hg.: 54.0

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

 N/A 1 psig (6.9 kPag): 14.2 5 psig (34.5 kPag): 30.3 10 psig (69.0 kPag): 40.7 15 psig (103.4 kPag): 49.3 20 psig (137.9 kPag): 58 25 psig (172.4 kPag): 66.7 30 psig (206.9 kPag): 75.4 40 psig (275.8 kPag): 92.7 50 psig (344.8 kPag): 110 60 psig (413.7 kPag): 127 70 psig (482.7 kPag): 145 80 psig (551.6 kPag): 162 90 psig (620.6 kPag): 179 100 psig (689.5 kPag): 196

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

 N/A 5 In. Hg. (127 Mm. Hg.): 20 10 In. Hg. (254 Mm. Hg.): 24.4

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

 N/A 15 In. Hg. (381 Mm. Hg.): 25.5 20 In. Hg. (508 Mm. Hg.): 25.5 30 In. Hg. (762 Mm. Hg.): 25.5

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.100 2 psig: 0.141 3 psig: 0.173 4 psig: 0.200 5 psig: 0.224 6 psig: 0.245 7 psig: 0.265 8 psig: 0.283 9 psig: 0.300 10 psig: 0.316 15 psig: 0.387 20 psig: 0.447 30 psig: 0.548 40 psig: 0.632 50 psig: 0.707 60 psig: 0.775 70 psig: 0.837 80 psig: 0.894 90 psig: 0.949 100 psig: 1.000

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.379 2 psig (13.8 kPag): 0.535 3 psig (20.7 kPag): 0.656 4 psig (27.6 kPag): 0.757 5 psig (34.5 kPag): 0.846 6 psig (41.4 kPag): 0.927 7 psig (48.3 kPag): 1.002 8 psig (55.2 kPag): 1.071 9 psig (62.1 kPag): 1.136 10 psig (69 kPag): 1.197 15 psig (103.4 kPag): 1.466 20 psig (137.9 kPag): 1.693 30 psig (206.9 kPag): 2.073 40 psig (275.8 kPag): 2.394 50 psig (344.8 kPag): 2.677 60 psig (413.7 kPag): 2.932 70 psig (482.7 kPag): 3.167 80 psig (551.6 kPag): 3.386 90 psig (620.6 kPag): 3.591 100 psig (689.5 kPag): 3.785

Flow Data Status

 N/A Generic