- Threaded metal plugs made from brass, cap made in steel zinc plated, internal one-way vent valve.
- Fiber or aluminum sealing washer available.
- Maximum operating temperature –10° + 90°C (+14 +194 F).
- The 33 a breather plug is designed to maintain a set internal pressure in gear boxes or other hydraulic units.
- The internal breather vent valve opens at either .15-.30 bar and exhausts excess pressure in the reservoir, and then closes once the preset pressure setting is reached.
- In off-highway applications the breather assists in containing oil leaks from the unit.
- The cap protects airborne contamination from entering the mechanical equipment.
- These plugs are designed for use in speed reducers, gearboxes, bearing housings and transmissions of all types