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
Print Back
    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 125

CV

 N/A 0.370

Maximum Operating Pressure

 N/A 2000 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 0.1250 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: 106 5 psig: 229 10 psig: 314 15 psig: 377 20 psig: 445 25 psig: 511 30 psig: 578 40 psig: 714 50 psig: 850 60 psig: 985 70 psig: 1125 80 psig: 1263 90 psig: 1398 100 psig: 1545

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

 N/A 5 In. Hg.: 150 10 In. Hg.: 187

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

 N/A 15 In. Hg.: 195 20 In. Hg.: 195 30 In. Hg.: 195

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

 N/A 1 psig (6.9 kPag): 50.1 5 psig (34.5 kPag): 108 10 psig (69.0 kPag): 148 15 psig (103.4 kPag): 178 20 psig (137.9 kPag): 210 25 psig (172.4 kPag): 241 30 psig (206.9 kPag): 273 40 psig (275.8 kPag): 337 50 psig (344.8 kPag): 401 60 psig (413.7 kPag): 465 70 psig (482.7 kPag): 531 80 psig (551.6 kPag): 596 90 psig (620.6 kPag): 660 100 psig (689.5 kPag): 729

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

 N/A 5 In. Hg. (127 Mm. Hg.): 70.9 10 In. Hg. (254 Mm. Hg.): 88.4

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

 N/A 15 In. Hg. (381 Mm. Hg.): 92.2 20 In. Hg. (508 Mm. Hg.): 92.2 30 In. Hg. (762 Mm. Hg.): 92.2

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.370 2 psig: 0.523 3 psig: 0.641 4 psig: 0.740 5 psig: 0.827 6 psig: 0.906 7 psig: 0.979 8 psig: 1.047 9 psig: 1.110 10 psig: 1.170 15 psig: 1.433 20 psig: 1.655 30 psig: 2.027 40 psig: 2.340 50 psig: 2.616 60 psig: 2.866 70 psig: 3.096 80 psig: 3.309 90 psig: 3.510 100 psig: 3.700

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 1.401 2 psig (13.8 kPag): 1.981 3 psig (20.7 kPag): 2.426 4 psig (27.6 kPag): 2.801 5 psig (34.5 kPag): 3.132 6 psig (41.4 kPag): 3.431 7 psig (48.3 kPag): 3.706 8 psig (55.2 kPag): 3.961 9 psig (62.1 kPag): 4.202 10 psig (69 kPag): 4.429 15 psig (103.4 kPag): 5.424 20 psig (137.9 kPag): 6.264 30 psig (206.9 kPag): 7.671 40 psig (275.8 kPag): 8.858 50 psig (344.8 kPag): 9.904 60 psig (413.7 kPag): 10.849 70 psig (482.7 kPag): 11.718 80 psig (551.6 kPag): 12.527 90 psig (620.6 kPag): 13.287 100 psig (689.5 kPag): 14.006

Flow Data Status

 N/A Generic