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

 34

CV

 0.017

Orifice Material

 Synthetic Sapphire

Maximum Operating Pressure Gauge

 100 psig

Connection A

 .134" Press-Fit Insert

Screened

 None

Dimensions

Orifice Diameter

 0.0134 in0.34 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: 0.446 5 psig: 1.06 10 psig: 1.45 15 psig: 1.85 20 psig: 2.20 25 psig: 2.52 30 psig: 2.84 40 psig: 3.46 50 psig: 4.08 60 psig: 4.69 70 psig: 5.31 80 psig: 5.93 90 psig: 6.56 100 psig: 7.18

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

 5 In. Hg.: 0.673 10 In. Hg.: 0.833

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

 15 In. Hg.: 0.921 20 In. Hg.: 0.921 30 In. Hg.: 0.921

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

 1 psig: 0.945 5 psig: 2.25 10 psig: 3.07 15 psig: 3.92 20 psig: 4.66 25 psig: 5.34 30 psig: 6.02 40 psig: 7.33 50 psig: 8.64 60 psig: 9.94 70 psig: 11.3 80 psig: 12.6 90 psig: 13.9 100 psig: 15.2

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

 5 In. Hg.: 1.43 10 In. Hg.: 1.76

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

 15 In. Hg.: 1.95 20 In. Hg.: 1.95 30 In. Hg.: 1.95