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 86

CV

 N/A 0.170

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 0.0860 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: 49.7 5 psig: 108 10 psig: 144 15 psig: 174 20 psig: 203 25 psig: 233 30 psig: 265 40 psig: 324 50 psig: 384 60 psig: 445 70 psig: 509 80 psig: 570 90 psig: 631 100 psig: 697

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

 N/A 5 In. Hg.: 70.3 10 In. Hg.: 87.9

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

 N/A 15 In. Hg.: 91.7 20 In. Hg.: 91.7 30 In. Hg.: 91.7

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

 N/A 1 psig (6.9 kPag): 23.5 5 psig (34.5 kPag): 51.1 10 psig (69.0 kPag): 67.9 15 psig (103.4 kPag): 82.1 20 psig (137.9 kPag): 95.6 25 psig (172.4 kPag): 110 30 psig (206.9 kPag): 125 40 psig (275.8 kPag): 153 50 psig (344.8 kPag): 181 60 psig (413.7 kPag): 210 70 psig (482.7 kPag): 240 80 psig (551.6 kPag): 269 90 psig (620.6 kPag): 298 100 psig (689.5 kPag): 329

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

 N/A 5 In. Hg. (127 Mm. Hg.): 33.2 10 In. Hg. (254 Mm. Hg.): 41.5

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

 N/A 15 In. Hg. (381 Mm. Hg.): 43.3 20 In. Hg. (508 Mm. Hg.): 43.3 30 In. Hg. (762 Mm. Hg.): 43.3

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.170 2 psig: 0.240 3 psig: 0.294 4 psig: 0.340 5 psig: 0.380 6 psig: 0.416 7 psig: 0.450 8 psig: 0.481 9 psig: 0.510 10 psig: 0.538 15 psig: 0.658 20 psig: 0.760 30 psig: 0.931 40 psig: 1.075 50 psig: 1.202 60 psig: 1.317 70 psig: 1.422 80 psig: 1.521 90 psig: 1.613 100 psig: 1.700

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.644 2 psig (13.8 kPag): 0.910 3 psig (20.7 kPag): 1.115 4 psig (27.6 kPag): 1.287 5 psig (34.5 kPag): 1.439 6 psig (41.4 kPag): 1.576 7 psig (48.3 kPag): 1.703 8 psig (55.2 kPag): 1.82 9 psig (62.1 kPag): 1.931 10 psig (69 kPag): 2.035 15 psig (103.4 kPag): 2.492 20 psig (137.9 kPag): 2.878 30 psig (206.9 kPag): 3.525 40 psig (275.8 kPag): 4.070 50 psig (344.8 kPag): 4.550 60 psig (413.7 kPag): 4.985 70 psig (482.7 kPag): 5.384 80 psig (551.6 kPag): 5.756 90 psig (620.6 kPag): 6.105 100 psig (689.5 kPag): 6.435

Flow Data Status

 N/A Generic