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Engineered Sensors
Tedeco Products

Breather Vents

Rugged breather vents with micro metal filterTedeco Breather Vents permit free exchange of filtered air for gear cases vented to atmosphere. Rugged and corrosion resistant, some breather vent models can be adapted to incorporate oil separators for special applications. The basic model of breather vent passes air through a filter media stopping solid particles. A micro metal filter (100 micrometers or finer) is offered as an option for use in areas where high temperature, corrosive vapors or fine filtration issues exist.

Breather Plugs

Breather plugs, micro filter breatherThe most commonly used sizes are listed. To order a micro filter breather, add suffix "MF" (i.e. M810MF). Type 1 breathers are available with splash-proof cover, add suffix "V" (i.e. M810V).

Breather vents with splash proof cover

Model  Thread  Type Hex A B Notes
M98  1/8 NPT 2 ½ .30 .50 Steel Zinc
Dichromate Finish
M828  ¼ NPT 2 ¾ .44 .63
M833  3/8 NPT 2 7/8 .58 .64 Cadmium Plate
M823 ½ NPT 2 1 .63 .77 Steel Zinc
Dichromate
Finish
M812 ¾ NPT 2 1 ¼ .75 .80
M842 1 NPT 2 1 ½ .94 .98
M841 1 ¼ NPT 2 1 ¾ 1.04 1.06
M51 ¾ -16 NF 3 1 .63 .53
M52 1-14 NF 3 1 ¼ .90 .58
M810 ¾ NPT 1 1 3/8 1.75 .80 Aluminum
M1067E ½ -14 NPT 1 1 3/8 1.75 .75

 

Breather with Check Valve

All type 2 breather plugs may be adapted to employ a rugged, reliable, elastomeric check valve which checks flow in either direction at 1-4 psid. Consult our engineering department for specific details.

 

Economy breather plugsEconomy Breather Plugs

Model  Thread 
M495-1  1/8 - 27 NPT
M495-2  ¼ - 18 NPT
M495-3  3/8 - 18 NPT
M495-4 ½ - 14 NPT
M495-5 ¾ - 14 NPT
M495-6 1- 11 ½ NPT

Flame Arresting Plugs

An all metal breather plug which inhibits propagation of fire from or into a container; designed for press fit installation.

Fire arresting metal breather plugs 

Model  A
+/-.055 
B
+.002
-.001
Material
M-280-1  .500 .438 Aluminum  Alloy
M-280-2  1.000 .938

High Capacity Breathers

These two units provide the dual capabilities of high dirt handling capacity and high air exchange at low pressure drop. Model M636 has zinc dichromate plated steel threads and hex, an aluminum cap, and a foam based filter. Model M1330-1 is fabricated from Delrin Plastic and has a stainless steel filter for all-around corrosion protection.

High capacity breathers with steel threads and foam filter

Model  Thread 

Hex 

Material
M1330-1  3/8-18 NPT 1.62 1.09 2.06 11/16 Delrin
M636  ½-14 NPT 2.50 1.18 2.34 7/8 Alum. Alloy

All dimensions are in inches unless other wise specified

liquid level sensors, indicators, breather vents, pressure sensors, gages, diagnostics

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Engineered Sensors — Tedeco Products 
24 East Glenolden Avenue - Glenolden, PA 19036
E-mail: industrialsales@eaton.com • Orders: 800-837-0475
General Information: 610-522-4000 • Fax: 610-522-4063


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