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 restrictors incorporate a precision synthetic sapphire orifice which is fitted within a main body. The sapphire orifice is a stable, accurate flow restrictor. Standard sizes range from .0012" to .0252" orifice diameter in 32 increments.
Unit of Measure

Specifications

Material

 Nylon

Nominal Orifice Size

 11

CV

 0.0034

Orifice Material

 Synthetic Sapphire

Maximum Operating Pressure Gauge

 100 psig

Connection A

 .134" Press-Fit Insert

Screened

 None

Dimensions

Orifice Diameter

 0.0043 in0.11 mm

Total Length

 0.306 in

Maximum Outside Diameter

 0.137 in

Minimum Outside Diameter

 0.134 in

Orifice Diameter Accuracy

 ±0.0003 in

Press Fit into Bore

 0.132 to 0.133 in

Application

N/A

  • Precision Flow Control - Gases or Liquids
  • Accurate Timing in Pneumatic or Hydraulic Circuits
  • Pressure Dividing Circuits and Pneumatic Resistance Bridges
  • Impedance Matching
  • Uni-directional Flow

Flow Data

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

 1 psig: 0.050 5 psig: 0.108 10 psig: 0.164 15 psig: 0.205 20 psig: 0.243 25 psig: 0.280 30 psig: 0.317 40 psig: 0.390 50 psig: 0.463 60 psig: 0.536 70 psig: 0.609 80 psig: 0.683 90 psig: 0.757 100 psig: 0.830

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

 5 In. Hg.: 0.073 10 In. Hg.: 0.093

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

 15 In. Hg.: 0.100 20 In. Hg.: 0.100 30 In. Hg.: 0.100

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

 1 psig: 0.106 5 psig: 0.228 10 psig: 0.347 15 psig: 0.434 20 psig: 0.515 25 psig: 0.593 30 psig: 0.672 40 psig: 0.826 50 psig: 0.981 60 psig: 1.14 70 psig: 1.29 80 psig: 1.45 90 psig: 1.60 100 psig: 1.76

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

 5 In. Hg.: 0.154 10 In. Hg.: 0.197

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

 15 In. Hg.: 0.212 20 In. Hg.: 0.212 30 In. Hg.: 0.212