Filtration rating
Codes 03, 05, 10 and 20 identify 3 µm, 5 µm, 10 µm and 20 µm. Specify EI when the electrical indicator is required.
Products / Yuken hydraulic products / Hydraulic filters and elements / RLF Series Tank Top Return Line Filters
Yuken Hydraulic filters and elements
RLF Series Tank Top Return Line Filters
Tank-top return filters with inorganic fibreglass elements, threaded or SAE connections and eight catalogue sizes.
25 kgf/cm²Maximum working pressure
80 °CMaximum operating temperature
3 barBuilt-in bypass setting
8 sizesRLF-30 to RLF-950
Function and model selection
RLF filters remove contamination from return oil before it enters the reservoir. The catalogue lists petroleum and mineral-based oil suitability, a built-in bypass valve and optional EI-R13-20 electrical clogging indication.
Check the tank cut-out, mounting holes and installation depth against the selected model drawing. Flow capacity is not the same as the size code.
Use the catalogue alongside the details below, then send the complete model and application requirements for selection support.
Models and specifications
| Model pattern | Maximum flow (L/min) | Port size | Approx. mass (kg) |
|---|---|---|---|
| RLF-30-G-*-*-20 | 30 | G 1/2" | 2 |
| RLF-60-A-*-*-20 | 50 | G 3/4" | 2 |
| RLF-110-A-*-*-20 | 60 | G 3/4" | 3 |
| RLF-160-B-*-*-20 | 110 | G 1 1/4" | 4 |
| RLF-240-B-*-*-20 | 220 | G 1 1/4" | 5 |
| RLF-330-D-*-*-20 | 240 | SAE 2" | 10 |
| RLF-660-E-*-*-20 | 600 | SAE 3" | 18 |
| RLF-950-F-*-*-20 | 1100 | SAE 3 1/2" | 33 |
Source: Yuken accessories catalogue, Pub:03-2025, section starting at PDF page 21. Check the complete drawing and model designation before ordering.
Configuration and ordering
Element replacement
Replacement return-line elements use ERF designations. Provide the full housing code and the existing element dimensions, especially for older YRLF equipment.
Selection support
Share the complete requirement
Include the existing model and installation details for a replacement, or the required operating conditions for a new application.
- Complete housing and element model codes
- Required flow, filtration grade and indicator option
- Operating pressure, temperature and hydraulic fluid
- Mounting dimensions and process connections
- Existing component photographs and quantity
Manufacturer catalogue
Open the RLF Series Tank Top Return Line Filters reference in the PDF hosted on Shree Hydraulics.
Enquire about RLF Series Tank Top Return Line Filters
Contact Shree Hydraulics in Belagavi for product selection and quotation enquiries across India.