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 NPT Hex Nipples
Fine Screen Breathers - NPT Hex Nipples - Line Drawing
Unit of Measure
1 

Part Number

Material

CV

Maximum Fitting Pressure

Micron Rating

Thread

BMB-1-BR N/A Brass N/A 0.009 N/A 100 psig N/A 10 µm N/A 1/8 NPT
BMB-2-BR N/A Brass N/A 0.025 N/A 100 psig N/A 15 µm N/A 1/8 NPT
BMB-5-BR N/A Brass N/A 0.055 N/A 100 psig N/A 25 µm N/A 1/8 NPT
BMB-20-BR N/A Brass N/A 0.09 N/A 100 psig N/A 100 µm N/A 1/8 NPT
BMB-1-SS N/A 303 SS N/A 0.009 N/A 100 psig N/A 10 µm N/A 1/8 NPT
BMB-2-SS N/A 303 SS N/A 0.025 N/A 100 psig N/A 15 µm N/A 1/8 NPT
BMB-5-SS N/A 303 SS N/A 0.055 N/A 100 psig N/A 25 µm N/A 1/8 NPT
BMB-20-SS N/A 303 SS N/A 0.09 N/A 100 psig N/A 100 µm N/A 1/8 NPT
EMB-1-BR N/A Brass N/A 0.028 N/A 100 psig N/A 10 µm N/A 1/4 NPT
EMB-2-BR N/A Brass N/A 0.068 N/A 100 psig N/A 15 µm N/A 1/4 NPT
EMB-5-BR N/A Brass N/A 0.180 N/A 100 psig N/A 25 µm N/A 1/4 NPT
EMB-20-BR N/A Brass N/A 0.250 N/A 100 psig N/A 100 µm N/A 1/4 NPT
EMB-1-SS N/A 303 SS N/A 0.028 N/A 100 psig N/A 10 µm N/A 1/4 NPT
EMB-2-SS N/A 303 SS N/A 0.068 N/A 100 psig N/A 15 µm N/A 1/4 NPT
EMB-5-SS N/A 303 SS N/A 0.180 N/A 100 psig N/A 25 µm N/A 1/4 NPT
EMB-20-SS N/A 303 SS N/A 0.250 N/A 100 psig N/A 100 µm N/A 1/4 NPT
Unit of Measure
1