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

Orifice Material

 N/A Sapphire/Nylon Sleeve

Material

 N/A Brass

Nominal Orifice Size

 N/A 32

CV

 N/A 0.0036

Maximum Operating Pressure

 N/A 100 psig

Connection A

 N/A 1/8" NPT Male

Connection B

 N/A 1/8" ID Barb

Screened

 N/A Screened

Dimensions

Orifice Diameter

 N/A 0.0126 in

Orifice Diameter Accuracy

 N/A ±0.0003 in

Width Across Flats (Hex)

 N/A 9/16 in

Total Length

 N/A 0.940 in

Application

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: 0.393 5 psig: 0.933 10 psig: 1.27 15 psig: 1.63 20 psig: 1.95 25 psig: 2.24 30 psig: 2.52 40 psig: 3.07 50 psig: 3.63 60 psig: 4.17 70 psig: 4.72 80 psig: 5.28 90 psig: 5.83 100 psig: 6.38

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

 N/A 5 In. Hg.: 0.591 10 In. Hg.: 0.734

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

 N/A 15 In. Hg.: 0.818 20 In. Hg.: 0.818 30 In. Hg.: 0.818

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

 N/A 1 psig: 0.833 5 psig: 1.98 10 psig: 2.69 15 psig: 3.45 20 psig: 4.13 25 psig: 4.75 30 psig: 5.34 40 psig: 6.50 50 psig: 7.69 60 psig: 8.83 70 psig: 10.0 80 psig: 11.2 90 psig: 12.4 100 psig: 13.5

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

 N/A 5 In. Hg.: 1.25 10 In. Hg.: 1.56

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

 N/A 15 In. Hg.: 1.73 20 In. Hg.: 1.73 30 In. Hg.: 1.73