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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    Orifices are accurately machined, thoroughly cleaned, and flow tested to exacting standards. Sizes range from .004" to as large as .063" orifice diameter. Special sizes can be made to order.
Unit of Measure

Specifications

Material

 N/A Brass

Nominal Orifice Size

 N/A 31

CV

 N/A 0.022

Maximum Operating Pressure

 N/A 100 psig

Connection A

 N/A 10-32 UNF Female

Connection B

 N/A 10-32 UNF Female

Screened

 N/A None

Dimensions

Orifice Diameter

 N/A 0.031 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Total Length

 N/A 0.50 in

Outside Diameter

 N/A 0.312 in

Application

N/A

  • Precision Flow Control - Gases or Liquids
  • Speed Controls - Cylinders and Actuators
  • Accurate Timing in Pneumatic or Hydraulic Circuits
  • Flow Restriction
  • Accurate Throttling
  • Snubbers - Gages and Instruments

Flow Data

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

 N/A 1 psig: 5.62 5 psig: 12.4 10 psig: 18.3 15 psig: 22.5 20 psig: 26.3 25 psig: 30.1 30 psig: 33.7 40 psig: 41.1 50 psig: 48.5 60 psig: 55.9 70 psig: 63.6 80 psig: 71.2 90 psig: 78.8 100 psig: 86.7

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

 N/A 5 In. Hg.: 8.01 10 In. Hg.: 10.1

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

 N/A 15 In. Hg.: 10.7 20 In. Hg.: 10.7 30 In. Hg.: 10.7

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

 N/A 1 psig (6.9 kPag): 2.65 5 psig (34.5 kPag): 5.86 10 psig (69.0 kPag): 8.63 15 psig (103.4 kPag): 10.6 20 psig (137.9 kPag): 12.4 25 psig (172.4 kPag): 14.2 30 psig (206.9 kPag): 15.9 40 psig (275.8 kPag): 19.4 50 psig (344.8 kPag): 22.9 60 psig (413.7 kPag): 26.4 70 psig (482.7 kPag): 30.0 80 psig (551.6 kPag): 33.6 90 psig (620.6 kPag): 37.2 100 psig (689.5 kPag): 40.9

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

 N/A 5 In. Hg. (127 Mm. Hg.): 3.78 10 In. Hg. (254 Mm. Hg.): 4.77

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

 N/A 15 In. Hg. (381 Mm. Hg.): 5.05 20 In. Hg. (508 Mm. Hg.): 5.05 30 In. Hg. (762 Mm. Hg.): 5.05

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.022 2 psig: 0.031 3 psig: 0.038 4 psig: 0.044 5 psig: 0.049 6 psig: 0.054 7 psig: 0.058 8 psig: 0.062 9 psig: 0.066 10 psig: 0.070 15 psig: 0.085 20 psig: 0.098 30 psig: 0.120 40 psig: 0.139 50 psig: 0.156 60 psig: 0.170 70 psig: 0.184 80 psig: 0.197 90 psig: 0.209 100 psig: 0.220

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.083 2 psig (13.8 kPag): 0.118 3 psig (20.7 kPag): 0.144 4 psig (27.6 kPag): 0.167 5 psig (34.5 kPag): 0.186 6 psig (41.4 kPag): 0.186 7 psig (48.3 kPag): 0.220 8 psig (55.2 kPag): 0.236 9 psig (62.1 kPag): 0.250 10 psig (69 kPag): 0.263 15 psig (103.4 kPag): 0.323 20 psig (137.9 kPag): 0.372 30 psig (206.9 kPag): 0.456 40 psig (275.8 kPag): 0.527 50 psig (344.8 kPag): 0.589 60 psig (413.7 kPag): 0.645 70 psig (482.7 kPag): 0.697 80 psig (551.6 kPag): 0.745 90 psig (620.6 kPag): 0.790 100 psig (689.5 kPag): 0.833

Flow Data Status

 N/A Generic