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 303 SS

Nominal Orifice Size

 N/A 104

CV

 N/A 0.250

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 0.1040 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: 75.2 5 psig: 162 10 psig: 216 15 psig: 261 20 psig: 305 25 psig: 347 30 psig: 392 40 psig: 483 50 psig: 576 60 psig: 667 70 psig: 763 80 psig: 856 90 psig: 947 100 psig: 1047

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

 N/A 5 In. Hg.: 104 10 In. Hg.: 130

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

 N/A 15 In. Hg.: 135 20 In. Hg.: 135 30 In. Hg.: 135

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

 N/A 1 psig (6.9 kPag): 35.5 5 psig (34.5 kPag): 76.6 10 psig (69.0 kPag): 102 15 psig (103.4 kPag): 123 20 psig (137.9 kPag): 144 25 psig (172.4 kPag): 164 30 psig (206.9 kPag): 185 40 psig (275.8 kPag): 228 50 psig (344.8 kPag): 272 60 psig (413.7 kPag): 315 70 psig (482.7 kPag): 360 80 psig (551.6 kPag): 404 90 psig (620.6 kPag): 447 100 psig (689.5 kPag): 494

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

 N/A 5 In. Hg. (127 Mm. Hg.): 49 10 In. Hg. (254 Mm. Hg.): 61.2

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

 N/A 15 In. Hg. (381 Mm. Hg.): 63.8 20 In. Hg. (508 Mm. Hg.): 63.8 30 In. Hg. (762 Mm. Hg.): 63.8

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.250 2 psig: 0.354 3 psig: 0.433 4 psig: 0.500 5 psig: 0.559 6 psig: 0.612 7 psig: 0.661 8 psig: 0.707 9 psig: 0.750 10 psig: 0.791 15 psig: 0.968 20 psig: 1.118 30 psig: 1.369 40 psig: 1.581 50 psig: 1.768 60 psig: 1.936 70 psig: 2.092 80 psig: 2.236 90 psig: 2.372 100 psig: 2.500

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.946 2 psig (13.8 kPag): 1.338 3 psig (20.7 kPag): 1.639 4 psig (27.6 kPag): 1.893 5 psig (34.5 kPag): 2.116 6 psig (41.4 kPag): 2.318 7 psig (48.3 kPag): 2.504 8 psig (55.2 kPag): 2.677 9 psig (62.1 kPag): 2.839 10 psig (69 kPag): 2.993 15 psig (103.4 kPag): 3.665 20 psig (137.9 kPag): 4.232 30 psig (206.9 kPag): 5.183 40 psig (275.8 kPag): 5.985 50 psig (344.8 kPag): 6.692 60 psig (413.7 kPag): 7.33 70 psig (482.7 kPag): 7.918 80 psig (551.6 kPag): 8.464 90 psig (620.6 kPag): 8.978 100 psig (689.5 kPag): 9.464

Flow Data Status

 N/A Generic