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

 N/A Brass

Orifice Material

 N/A Synthetic Sapphire/Nylon Sleeve

Nominal Orifice Size

 N/A 24

CV

 N/A 0.0021

Maximum Operating Pressure

 N/A 100 psig

Connection A

 N/A 1/8" NPT Male

Connection B

 N/A 1/8" NPT Male

Screened

 N/A None

Dimensions

Orifice Diameter

 N/A 0.0094 in

Orifice Diameter Accuracy

 N/A ±0.0003 in

Width Across Flats (Hex)

 N/A 7/16 in

Total Length

 N/A 0.970 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

 N/A 1 psig: 0.259 5 psig: 0.584 10 psig: 0.830 15 psig: 1.05 20 psig: 1.25 25 psig: 1.44 30 psig: 1.63 40 psig: 2.02 50 psig: 2.39 60 psig: 2.77 70 psig: 3.14 80 psig: 3.51 90 psig: 3.89 100 psig: 4.26

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

 N/A 5 In. Hg.: 0.377 10 In. Hg.: 0.482

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

 N/A 15 In. Hg.: 0.525 20 In. Hg.: 0.525 30 In. Hg.: 0.525

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

 N/A 1 psig: 0.549 5 psig: 1.24 10 psig: 1.76 15 psig: 2.22 20 psig: 2.65 25 psig: 3.05 30 psig: 3.45 40 psig: 4.28 50 psig: 5.06 60 psig: 5.87 70 psig: 6.65 80 psig: 7.44 90 psig: 8.24 100 psig: 9.03

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

 N/A 5 In. Hg.: 0.799 10 In. Hg.: 1.02

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

 N/A 15 In. Hg.: 1.11 20 In. Hg.: 1.11 30 In. Hg.: 1.11