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 76

CV

 N/A 0.130

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 0.0760 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: 39.3 5 psig: 83.5 10 psig: 112 15 psig: 136 20 psig: 160 25 psig: 183 30 psig: 206 40 psig: 254 50 psig: 301 60 psig: 347 70 psig: 394 80 psig: 443 90 psig: 489 100 psig: 540

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

 N/A 5 In. Hg.: 55.1 10 In. Hg.: 68.9

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

 N/A 15 In. Hg.: 71.8 20 In. Hg.: 71.8 30 In. Hg.: 71.8

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

 N/A 1 psig (6.9 kPag): 18.5 5 psig (34.5 kPag): 39.4 10 psig (69.0 kPag): 52.9 15 psig (103.4 kPag): 64 20 psig (137.9 kPag): 75.3 25 psig (172.4 kPag): 86.4 30 psig (206.9 kPag): 97.4 40 psig (275.8 kPag): 120 50 psig (344.8 kPag): 142 60 psig (413.7 kPag): 164 70 psig (482.7 kPag): 186 80 psig (551.6 kPag): 209 90 psig (620.6 kPag): 231 100 psig (689.5 kPag): 255

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

 N/A 5 In. Hg. (127 Mm. Hg.): 26 10 In. Hg. (254 Mm. Hg.): 32.5

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

 N/A 15 In. Hg. (381 Mm. Hg.): 33.9 20 In. Hg. (508 Mm. Hg.): 33.9 30 In. Hg. (762 Mm. Hg.): 33.9

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.130 2 psig: 0.184 3 psig: 0.225 4 psig: 0.260 5 psig: 0.291 6 psig: 0.318 7 psig: 0.344 8 psig: 0.368 9 psig: 0.390 10 psig: 0.411 15 psig: 0.503 20 psig: 0.581 30 psig: 0.712 40 psig: 0.822 50 psig: 0.919 60 psig: 1.007 70 psig: 1.088 80 psig: 1.163 90 psig: 1.233 100 psig: 1.300

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.492 2 psig (13.8 kPag): 0.696 3 psig (20.7 kPag): 0.852 4 psig (27.6 kPag): 0.984 5 psig (34.5 kPag): 1.100 6 psig (41.4 kPag): 1.205 7 psig (48.3 kPag): 1.302 8 psig (55.2 kPag): 1.392 9 psig (62.1 kPag): 1.476 10 psig (69 kPag): 1.556 15 psig (103.4 kPag): 1.906 20 psig (137.9 kPag): 2.201 30 psig (206.9 kPag): 2.695 40 psig (275.8 kPag): 3.112 50 psig (344.8 kPag): 3.480 60 psig (413.7 kPag): 3.812 70 psig (482.7 kPag): 4.117 80 psig (551.6 kPag): 4.401 90 psig (620.6 kPag): 4.668 100 psig (689.5 kPag): 4.921

Flow Data Status

 N/A Generic