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

Seal Material

 N/A Viton

Nominal Orifice Size

 N/A 6

CV

 N/A 0.00012

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 0.0024 in

Orifice Diameter Accuracy

 N/A ±0.0003 in

Width Across Flats (Hex)

 N/A 1/4 in

Total Length

 N/A 0.530 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: 0.014 5 psig: 0.036 10 psig: 0.049 15 psig: 0.062 20 psig: 0.074 25 psig: 0.087 30 psig: 0.098 40 psig: 0.122 50 psig: 0.147 60 psig: 0.171 70 psig: 0.195 80 psig: 0.200 90 psig: 0.244 100 psig: 0.269

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

 N/A 5 In. Hg.: 0.020 10 In. Hg.: 0.027

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

 N/A 15 In. Hg.: 0.030 20 In. Hg.: 0.030 30 In. Hg.: 0.030

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

 N/A 1 psig: 0.030 5 psig: 0.075 10 psig: 0.104 15 psig: 0.131 20 psig: 0.157 25 psig: 0.184 30 psig: 0.208 40 psig: 0.258 50 psig: 0.311 60 psig: 0.362 70 psig: 0.413 80 psig: 0.424 90 psig: 0.517 100 psig: 0.570

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

 N/A 5 In. Hg.: 0.043 10 In. Hg.: 0.057

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

 N/A 15 In. Hg.: 0.063 20 In. Hg.: 0.063 30 In. Hg.: 0.063