Part Number P-8-BR, Precision Sapphire Orifices - 10-32 UNF connections On 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 | Dimensions | Application | Flow Data

Specifications

Material	N/A Brass
Orifice Material	N/A Synthetic Sapphire
C_V	N/A 0.00022
Seal Material	N/A Viton
Nominal Orifice Size	N/A 8
Maximum Operating Pressure	N/A 100 psig
Inlet Type	N/A Straight Thread
Connection A	N/A 10-32 UNF Male
Screened	N/A None

Dimensions

Orifice Diameter	N/A 0.0031 in0.08 mm
Width Across Flats (Hex)	N/A 1/4 in
Total Length	N/A 9/32 in
Orifice Diameter Accuracy	N/A ±0.0003 in

Application

N/A

High Pressure Capability
Economical Precision Orifice
Repeatable Orifice Size and Shape
Predictable Flow Rate
Uni-directional Flow

N/A

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

Flow Data

Air Flow at Pressure - Standard Liters Per Minute (SLPM)_Sapphire	N/A 1 psig: 0.025 5 psig: 0.059 10 psig: 0.082 15 psig: 0.104 20 psig: 0.125 25 psig: 0.144 30 psig: 0.164 40 psig: 0.203 50 psig: 0.241 60 psig: 0.280 70 psig: 0.318 80 psig: 0.357 90 psig: 0.396 100 psig: 0.435
Air Flow at Vacuum - Standard Liters Per Minute (SLPM)_Sapphire	N/A 5 In. Hg.: 0.036 10 In. Hg.: 0.046
Air Flow at Vacuum, Choked Flow - Standard Liters Per Minute (SLPM)_Sapphire	N/A 15 In. Hg.: 0.050 20 In. Hg.: 0.050 30 In. Hg.: 0.050
Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH)_Sapphire	N/A 1 psig: 0.053 5 psig: 0.124 10 psig: 0.174 15 psig: 0.220 20 psig: 0.265 25 psig: 0.305 30 psig: 0.347 40 psig: 0.430 50 psig: 0.511 60 psig: 0.593 70 psig: 0.674 80 psig: 0.756 90 psig: 0.839 100 psig: 0.922
Air Flow at Vacuum - Standard Cu. Ft. Per Hour (SCFH)_Sapphire	N/A 5 In. Hg.: 0.076 10 In. Hg.: 0.098
Air Flow at Vacuum, Choked Flow - Standard Cu. Ft. Per Hour (SCFH)_Sapphire	N/A 15 In. Hg.: 0.107 20 In. Hg.: 0.107 30 In. Hg.: 0.107