Part Number P-11-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 0.00042
Seal Material	N/A Viton
Nominal Orifice Size	N/A 11
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 0.0043 in0.11 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: 0.050 5 psig: 0.108 10 psig: 0.164 15 psig: 0.205 20 psig: 0.243 25 psig: 0.280 30 psig: 0.317 40 psig: 0.390 50 psig: 0.463 60 psig: 0.536 70 psig: 0.609 80 psig: 0.683 90 psig: 0.757 100 psig: 0.830
Air Flow at Vacuum - Standard Liters Per Minute (SLPM)_Sapphire	N/A 5 In. Hg.: 0.073 10 In. Hg.: 0.093
Air Flow at Vacuum, Choked Flow - Standard Liters Per Minute (SLPM)_Sapphire	N/A 15 In. Hg.: 0.100 20 In. Hg.: 0.100 30 In. Hg.: 0.100
Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH)_Sapphire	N/A 1 psig: 0.106 5 psig: 0.228 10 psig: 0.347 15 psig: 0.434 20 psig: 0.515 25 psig: 0.593 30 psig: 0.672 40 psig: 0.826 50 psig: 0.981 60 psig: 1.14 70 psig: 1.29 80 psig: 1.45 90 psig: 1.60 100 psig: 1.76
Air Flow at Vacuum - Standard Cu. Ft. Per Hour (SCFH)_Sapphire	N/A 5 In. Hg.: 0.154 10 In. Hg.: 0.197
Air Flow at Vacuum, Choked Flow - Standard Cu. Ft. Per Hour (SCFH)_Sapphire	N/A 15 In. Hg.: 0.212 20 In. Hg.: 0.212 30 In. Hg.: 0.212