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 47

CV

 N/A 0.048

Maximum Operating Pressure

 N/A 2000 psig

Connection A

 N/A 1/8" NPT Male

Connection B

 N/A 1/8" 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 0.047 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Width Across Flats (Hex)

 N/A 9/16 in

Total Length

 N/A 0.880 in

Flow Data

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

 N/A 1 psig: 13.60 5 psig: 30.1 10 psig: 41.0 15 psig: 50.0 20 psig: 58.7 25 psig: 67.6 30 psig: 76.3 40 psig: 94.3 50 psig: 112 60 psig: 130 70 psig: 148 80 psig: 167 90 psig: 185 100 psig: 203

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

 N/A 5 In. Hg.: 19.2 10 In. Hg.: 23.6

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

 N/A 15 In. Hg.: 24.5 20 In. Hg.: 24.5 30 In. Hg.: 24.5

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

 N/A 1 psig (6.9 kPag): 6.43 5 psig (34.5 kPag): 14.2 10 psig (69.0 kPag): 19.4 15 psig (103.4 kPag): 23.6 20 psig (137.9 kPag): 27.7 25 psig (172.4 kPag): 31.9 30 psig (206.9 kPag): 36 40 psig (275.8 kPag): 44.5 50 psig (344.8 kPag): 52.9 60 psig (413.7 kPag): 61.5 70 psig (482.7 kPag): 70 80 psig (551.6 kPag): 78.6 90 psig (620.6 kPag): 87.2 100 psig (689.5 kPag): 95.8

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

 N/A 5 In. Hg. (127 Mm. Hg.): 9.08 10 In. Hg. (254 Mm. Hg.): 11.1

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

 N/A 15 In. Hg. (381 Mm. Hg.): 11.6 20 In. Hg. (508 Mm. Hg.): 11.6 30 In. Hg. (762 Mm. Hg.): 11.6

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.048 2 psig: 0.068 3 psig: 0.083 4 psig: 0.096 5 psig: 0.107 6 psig: 0.118 7 psig: 0.127 8 psig: 0.136 9 psig: 0.144 10 psig: 0.152 15 psig: 0.186 20 psig: 0.215 30 psig: 0.263 40 psig: 0.304 50 psig: 0.339 60 psig: 0.372 70 psig: 0.402 80 psig: 0.429 90 psig: 0.455 100 psig: 0.480

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.182 2 psig (13.8 kPag): 0.257 3 psig (20.7 kPag): 0.315 4 psig (27.6 kPag): 0.363 5 psig (34.5 kPag): 0.406 6 psig (41.4 kPag): 0.445 7 psig (48.3 kPag): 0.481 8 psig (55.2 kPag): 0.514 9 psig (62.1 kPag): 0.545 10 psig (69 kPag): 0.575 15 psig (103.4 kPag): 0.704 20 psig (137.9 kPag): 0.813 30 psig (206.9 kPag): 0.995 40 psig (275.8 kPag): 1.149 50 psig (344.8 kPag): 1.285 60 psig (413.7 kPag): 1.407 70 psig (482.7 kPag): 1.520 80 psig (551.6 kPag): 1.625 90 psig (620.6 kPag): 1.724 100 psig (689.5 kPag): 1.817

Flow Data Status

 N/A Generic