Suction line filters
Suction filters provide protection for the heart of any hydraulic system: the pump. They prevent coarse particles from entering the circuit from the tank. The challenge lies in achieving efficient filtration whilst keeping pressure loss to a minimum. HYDAC suction filters are designed with optimised flow characteristics to strike precisely this balance. They ensure the pump functions correctly from the very first second of system operation, thereby protecting against costly total failures and unplanned production downtime.
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Suction filters offer flexible mounting options: the suction elements can either be screwed directly onto the pipe or installed on the tank as a classic tank-top housing. With filtration ratings between 10 µm (paper) and 200 µm (wire mesh), they offer targeted protection that prevents cavitation symptoms even for cold starting conditions or high-viscosity media. The housings and elements are designed for medium temperatures from -10°C to 100°C and are characterised by a high chemical resistance to standard hydraulic oils and biodegradable fluids. Optional bypass valves also ensure that the flow rate does not break away even under extreme conditions.
| Product type | Key benefits | Main applications |
| S/SFM | Easy cable installation; robust aluminium housing | Stationary units, machine tools |
| S (suction element) | Cost-effective; direct assembly below the oil level | Series units, compact hydraulic tanks |
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SF/SFM/SFF S/S.. Suction Filter and Suction Filter Elements
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