Breather – FSB / TB
The Hydroline FSB and TB series are essential hydraulic reservoir accessories designed to filter the air that enters and exits a tank as fluid levels fluctuate. They act as a defense mechanism, protecting sensitive hydraulic components from atmospheric contaminants like dust, dirt, and moisture. [1 2, 3, 4]
- Operating Pressure : High Performance Range
- Application : Industrial & Mobile Systems
About this item
The Hydroline FSB and TB series are rugged tank breathers designed to ventilate hydraulic reservoirs while filtering incoming and outgoing air. They are manufactured by Hydroline Products and are commonly used in industrial and construction applications to protect hydraulic systems from moisture and airborne contaminants.
| Feature | FSB Series (Flange Mount) | TB Series (Threaded Type) |
|---|---|---|
| Primary Mounting | Flange-mount with screws and gaskets | Threaded directly into the tank (BSPP or NPT) |
| Air Flow Range | Up to 750 LPM (25 CFM) | Up to 4000 LPM (140 CFM) |
| Filtration Level | 40 microns (Std); 10 & 3 microns (Opt) | 40 microns (Std); 10 & 3 microns (Opt) |
| Housing Material | Steel or rugged cast aluminium | Steel or Nylon (for TB 35/65/165 models) |
| Standard Finish | Chrome-plated steel cap with vents | Chrome-plated steel cap with vents |
| Internal Strainer | Metal strainer included as standard | Not standard for basic threaded units |
| Weight Range | 0.10 kg to 0.40 kg | 0.13 kg to 1.30 kg |
| Optional Features | High neck extensions, dipsticks, 5 PSI pressurised valves | Splash guards, dipsticks, 5 PSI pressurised valves |






















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