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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    Precision orifice assemblies that adapt to common fittings used in process instruments and hydraulic systems are shown.
Unit of Measure

Specifications

Material

 N/A Brass

Nominal Orifice Size

 N/A 6

CV

 N/A 0.00086

Maximum Operating Pressure

 N/A 2000 psig

Taper

 N/A 45 º

Connection A

 N/A 1/8" NPT Male

Connection B

 N/A SAE 45 DEG #4 7/16"-20 Male

Screened

 N/A Screened

Dimensions

Orifice Diameter

 N/A 0.0059 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Width Across Flats (Hex)

 N/A 7/16 in

Total Length

 N/A 1.04 in

Application

N/A

    The integral screen/orifice assembly provides a compact arrangement. All types on this page The screen is located upstream of the orifice and protects against particles carried by the pressurized fluid. For protection against contamination in reverse flow situations add an external screen downstream of the orifice.

Advantages

N/A

  • High Pressure Capability
  • Bi-directional Flow
  • Economical Precision Orifice
  • Repeatable Orifice Size and Shape
  • Predictable Flow Rate

Flow Data

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

 N/A 1 psig: 0.182 5 psig: 0.45 10 psig: 0.65 15 psig: 0.82 20 psig: 0.97 25 psig: 1.12 30 psig: 1.26 40 psig: 1.56 50 psig: 1.86 60 psig: 2.16 70 psig: 2.46 80 psig: 2.75 90 psig: 3.05 100 psig: 3.35

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

 N/A 5 In. Hg.: 0.273 10 In. Hg.: 0.356

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

 N/A 15 In. Hg.: 0.392 20 In. Hg.: 0.392 30 In. Hg.: 0.392

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

 N/A 1 psig (6.9 kPag): 0.086 5 psig (34.5 kPag): 0.21 10 psig (69.0 kPag): 0.31 15 psig (103.4 kPag): 0.39 20 psig (137.9 kPag): 0.46 25 psig (172.4 kPag): 0.53 30 psig (206.9 kPag): 0.60 40 psig (275.8 kPag): 0.74 50 psig (344.8 kPag): 0.88 60 psig (413.7 kPag): 1.02 70 psig (482.7 kPag): 1.16 80 psig (551.6 kPag): 1.30 90 psig (620.6 kPag): 1.44 100 psig (689.5 kPag): 1.58

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

 N/A 5 In. Hg. (127 Mm. Hg.): 0.129 10 In. Hg. (254 Mm. Hg.): 0.168

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

 N/A 15 In. Hg. (381 Mm. Hg.): 0.185 20 In. Hg. (508 Mm. Hg.): 0.185 30 In. Hg. (762 Mm. Hg.): 0.185

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.0009 2 psig: 0.0012 3 psig: 0.0015 4 psig: 0.0017 5 psig: 0.0019 6 psig: 0.0021 7 psig: 0.0023 8 psig: 0.0024 9 psig: 0.0026 10 psig: 0.0027 15 psig: 0.0033 20 psig: 0.0038 30 psig: 0.0047 40 psig: 0.0054 50 psig: 0.0061 60 psig: 0.0067 70 psig: 0.0072 80 psig: 0.0077 90 psig: 0.0082 100 psig: 0.0086

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.0033 2 psig (13.8 kPag): 0.0046 3 psig (20.7 kPag): 0.0056 4 psig (27.6 kPag): 0.0065 5 psig (34.5 kPag): 0.0073 6 psig (41.4 kPag): 0.0073 7 psig (48.3 kPag): 0.0086 8 psig (55.2 kPag): 0.0092 9 psig (62.1 kPag): 0.0098 10 psig (69 kPag): 0.0103 15 psig (103.4 kPag): 0.0126 20 psig (137.9 kPag): 0.0146 30 psig (206.9 kPag): 0.0178 40 psig (275.8 kPag): 0.0206 50 psig (344.8 kPag): 0.0230 60 psig (413.7 kPag): 0.0252 70 psig (482.7 kPag): 0.0272 80 psig (551.6 kPag): 0.0291 90 psig (620.6 kPag): 0.0309 100 psig (689.5 kPag): 0.0326

Flow Data Status

 N/A Generic