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 100

CV

 N/A 0.230

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 0.1000 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: 69.8 5 psig: 150 10 psig: 196 15 psig: 235 20 psig: 275 25 psig: 316 30 psig: 356 40 psig: 439 50 psig: 523 60 psig: 606 70 psig: 693 80 psig: 778 90 psig: 860 100 psig: 951

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

 N/A 5 In. Hg.: 96.1 10 In. Hg.: 120

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

 N/A 15 In. Hg.: 125 20 In. Hg.: 125 30 In. Hg.: 125

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

 N/A 1 psig (6.9 kPag): 32.9 5 psig (34.5 kPag): 70.8 10 psig (69.0 kPag): 92.3 15 psig (103.4 kPag): 111 20 psig (137.9 kPag): 130 25 psig (172.4 kPag): 149 30 psig (206.9 kPag): 168 40 psig (275.8 kPag): 207 50 psig (344.8 kPag): 247 60 psig (413.7 kPag): 286 70 psig (482.7 kPag): 327 80 psig (551.6 kPag): 367 90 psig (620.6 kPag): 406 100 psig (689.5 kPag): 449

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

 N/A 5 In. Hg. (127 Mm. Hg.): 45.3 10 In. Hg. (254 Mm. Hg.): 56.6

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

 N/A 15 In. Hg. (381 Mm. Hg.): 59 20 In. Hg. (508 Mm. Hg.): 59 30 In. Hg. (762 Mm. Hg.): 59

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.230 2 psig: 0.325 3 psig: 0.398 4 psig: 0.460 5 psig: 0.514 6 psig: 0.563 7 psig: 0.609 8 psig: 0.651 9 psig: 0.690 10 psig: 0.727 15 psig: 0.891 20 psig: 1.029 30 psig: 1.260 40 psig: 1.455 50 psig: 1.626 60 psig: 1.782 70 psig: 1.924 80 psig: 2.057 90 psig: 2.182 100 psig: 2.300

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.871 2 psig (13.8 kPag): 1.231 3 psig (20.7 kPag): 1.508 4 psig (27.6 kPag): 1.741 5 psig (34.5 kPag): 1.947 6 psig (41.4 kPag): 2.133 7 psig (48.3 kPag): 2.304 8 psig (55.2 kPag): 2.463 9 psig (62.1 kPag): 2.612 10 psig (69 kPag): 2.753 15 psig (103.4 kPag): 3.372 20 psig (137.9 kPag): 3.894 30 psig (206.9 kPag): 4.769 40 psig (275.8 kPag): 5.506 50 psig (344.8 kPag): 6.156 60 psig (413.7 kPag): 6.744 70 psig (482.7 kPag): 7.284 80 psig (551.6 kPag): 7.787 90 psig (620.6 kPag): 8.260 100 psig (689.5 kPag): 8.706

Flow Data Status

 N/A Generic