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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    One-piece construction of solid metal is employed. Orifices are accurately machined, thoroughly cleaned, and flow tested to exacting standards. Sizes range from .004" to .125" orifice diameter. Special sizes can be made to order.
Precision Metal Orifices NPT Adapter
Precision Metal Orifices - NPT Adapter - Line Drawing
Unit of Measure
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Part Number

Orifice Diameter

Material

CV

Maximum Fitting PRESSURE

Flow Data Status

Screened

D-21-SS N/A 0.021 in N/A 303 SS N/A 0.0096 N/A 4000 psig N/A Generic N/A None
D-22-SS N/A 0.022 in N/A 303 SS N/A 0.011 N/A 4000 psig N/A Generic N/A None
D-23-SS N/A 0.023 in N/A 303 SS N/A 0.012 N/A 4000 psig N/A Generic N/A None
D-24-SS N/A 0.024 in N/A 303 SS N/A 0.013 N/A 4000 psig N/A Generic N/A None
D-25-SS N/A 0.025 in N/A 303 SS N/A 0.014 N/A 4000 psig N/A Generic N/A None
D-26-SS N/A 0.026 in N/A 303 SS N/A 0.016 N/A 4000 psig N/A Generic N/A None
D-27-SS N/A 0.027 in N/A 303 SS N/A 0.017 N/A 4000 psig N/A Generic N/A None
D-28-SS N/A 0.028 in N/A 303 SS N/A 0.018 N/A 4000 psig N/A Generic N/A None
D-29-SS N/A 0.029 in N/A 303 SS N/A 0.019 N/A 4000 psig N/A Generic N/A None
D-31-SS N/A 0.031 in N/A 303 SS N/A 0.022 N/A 4000 psig N/A Generic N/A None
D-32-SS N/A 0.032 in N/A 303 SS N/A 0.024 N/A 4000 psig N/A Generic N/A None
D-33-SS N/A 0.033 in N/A 303 SS N/A 0.025 N/A 4000 psig N/A Generic N/A None
D-35-SS N/A 0.035 in N/A 303 SS N/A 0.028 N/A 4000 psig N/A Generic N/A None
D-37-SS N/A 0.037 in N/A 303 SS N/A 0.031 N/A 4000 psig N/A Generic N/A None
D-38-SS N/A 0.038 in N/A 303 SS N/A 0.032 N/A 4000 psig N/A Generic N/A None
D-39-SS N/A 0.039 in N/A 303 SS N/A 0.033 N/A 4000 psig N/A Generic N/A None
D-40-SS N/A 0.04 in N/A 303 SS N/A 0.036 N/A 4000 psig N/A Generic N/A None
D-41-SS N/A 0.041 in N/A 303 SS N/A 0.038 N/A 4000 psig N/A Generic N/A None
D-42-SS N/A 0.042 in N/A 303 SS N/A 0.039 N/A 4000 psig N/A Generic N/A None
D-43-SS N/A 0.043 in N/A 303 SS N/A 0.041 N/A 4000 psig N/A Generic N/A None
D-47-SS N/A 0.047 in N/A 303 SS N/A 0.048 N/A 4000 psig N/A Generic N/A None
D-52-SS N/A 0.052 in N/A 303 SS N/A 0.059 N/A 4000 psig N/A Generic N/A None
D-55-SS N/A 0.055 in N/A 303 SS N/A 0.068 N/A 4000 psig N/A Generic N/A None
D-60-SS N/A 0.06 in N/A 303 SS N/A 0.081 N/A 4000 psig N/A Generic N/A None
D-63-SS N/A 0.063 in N/A 303 SS N/A 0.088 N/A 4000 psig N/A Generic N/A None
Unit of Measure
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