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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    The Precision Micro-Orifices® are constructedof brass or stainless steel withorifice sizes from .0003" to .005" diameter.The orifices are used to accurately metervery low flow rates of gases or liquids.Optional stainless steel screens are availableto protect the tiny orifices from minutecontamination particles.
Unit of Measure

Specifications

Seal Material

 N/A Viton

Material

 N/A Brass

Nominal Orifice Size

 N/A 4

CV

 N/A 0.0003490

Maximum Operating Pressure

 N/A 100 psig

Connection A

 N/A 10-32 UNF Male

Connection B

 N/A 1/16" ID Barb

Screened

 N/A None

Dimensions

Orifice Diameter

 N/A 0.0040 in

Width Across Flats (Hex)

 N/A 1/4 in

Total Length

 N/A 0.530 in

Application

N/A

  • Precision metering of very low flow rates - gases or liquids
  • Standard for flow or leak rates
  • Accurate timing in pneumatic or hydraulic circuits
  • Flow limiting

Flow Data

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

 N/A 5 psig: 90.6 cm³/min 10 psig: 133 cm³/min 15 psig: 164 cm³/min 20 psig: 194 cm³/min 25 psig: 220 cm³/min 30 psig: 250 cm³/min 40 psig: 309 cm³/min 50 psig: 369 cm³/min 60 psig: 428 cm³/min 70 psig: 487 cm³/min 80 psig: 542 cm³/min 90 psig: 602 cm³/min 100 psig: 662 cm³/min

Air Flow at Pressure - Standard Cu. Cm. Per Minute (SCCM)

 N/A 5 psig: 90.6 cm³/min 10 psig: 133 cm³/min 15 psig: 164 cm³/min 20 psig: 194 cm³/min 25 psig: 220 cm³/min 30 psig: 250 cm³/min 40 psig: 309 cm³/min 50 psig: 369 cm³/min 60 psig: 428 cm³/min 70 psig: 487 cm³/min 80 psig: 542 cm³/min 90 psig: 602 cm³/min 100 psig: 662 cm³/min

Flow Accuracy at Pressure - Standard Cu. Cm. Per Minute (SCCM)

 N/A 25 psig: ± 20 cm³/min

Flow Data Status

 N/A Generic