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Home > Products > BREATHER PLUGS > 33A.I



Breather plug inner valve version made of stainless steel

Body material: Stainless steel

(1) Protection cap: Stainless steel

(2) Spring: Stainless steel

(3) Seal: NBR

Set Pressure: ~ 0,25 bar

Range temperature: -10 +80 [°C] ; +14 +194 [F]


The breather plug is designed to mantain safe, equalized pressure in a unit even when it is under sudden chagnes in ambient temperature.This model has a valve inside. This system allows the expulsion of the exceeding air in the reservoir, thus re-establishing the pressure setting of the breather. In off-road application it decreases the risk of oil leakage from the unit.The cap protects from foreign bodies which may enter into the mechanical equipment and may cause damages.

Article d i[mm] s[mm] l[mm] weight[g] Quantity
130400442G 3/89202840
130400443G 1/210242963
130400389G 3/4162939111
130400390G 1163642255
130400393G 2206060935

Technical sheet > PDF

ATHENA SpA – via delle Albere, 13 36045 Alonte – Vicenza (Italy) – VAT Number 00589040245
Corporation Stock €10.000.000 I.V. – REA VI: 139951 – Registro imprese di VI: 00589040245