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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    Fine screen breathers provide an air passage into equipment, enclosures, and pneumatic controls while preventing the ingestion of solid particles. Miniature fine screen breathers are rated at 15, 25 or 100 microns and are available in either brass or stainless steel fittings. Connection sizes are 10-32, 1/8" or 1/4" NPT.
Fine Screen Breathers 10-32 UNF Connections
Fine Screen Breathers - 10-32 UNF Connections - Line Drawing
Unit of Measure
1 

Part Number

Material

CV

Maximum Fitting Pressure

Micron Rating

QSB-1-BR N/A Brass N/A 0.009 N/A 100 psig N/A 10 µm
QSB-2-BR N/A Brass N/A 0.025 N/A 100 psig N/A 15 µm
QSB-5-BR N/A Brass N/A 0.055 N/A 100 psig N/A 25 µm
QSB-20-BR N/A Brass N/A 0.09 N/A 100 psig N/A 100 µm
QSB-1-SS N/A 303 SS N/A 0.009 N/A 100 psig N/A 10 µm
QSB-2-SS N/A 303 SS N/A 0.025 N/A 100 psig N/A 15 µm
QSB-5-SS N/A 303 SS N/A 0.055 N/A 100 psig N/A 25 µm
QSB-20-SS N/A 303 SS N/A 0.09 N/A 100 psig N/A 100 µm
Unit of Measure
1