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The LDI INDUSTRIES AV102 is a threaded protected vent fitting machined from aluminum, designed to allow controlled pressure equalization or venting in enclosed assemblies while shielding the vent path from contamination and debris. With a 1/4 inch threaded connection, a hex flat diameter of 3/4 inch, and an overall height of approximately 1.19 inches, this compact fitting is suited for hydraulic reservoirs, pneumatic enclosures, gearboxes, and similar fluid or air-handling systems. Installers in industrial maintenance, fluid power, and mechanical service trades use this type of protected vent to maintain clean, consistent venting without exposing internal components to environmental contaminants.
The AV102 is appropriate for use in light industrial and commercial applications where a small-diameter threaded vent is needed on a reservoir, housing, or sealed enclosure. The aluminum construction keeps weight low and offers adequate corrosion resistance for most indoor and moderate-exposure environments. Its compact footprint makes it a practical fit in space-constrained installations where a standard pipe plug would restrict necessary pressure equalization.
Designed as an OEM-style replacement or service fitting for enclosures, reservoirs, and housings requiring a 1/4 inch threaded protected vent port.
Installation is performed by industrial maintenance technicians or fluid power specialists using a standard wrench on the 3/4 inch hex flats. Depressurize and drain the reservoir or enclosure fully before removing an existing vent or installing this fitting. Apply appropriate thread sealant per the system manufacturer's guidance and applicable plumbing or fluid power codes. Do not overtighten, as aluminum threads can be damaged by excessive torque.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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