Mounting suffix
FB specifies face mounting with back entry. SB specifies surface mounting with bottom entry.
Yuken Gauges and pressure switches
Colour-coded filter indicators for return-line and suction-line monitoring, with back-entry or bottom-entry mounting.

VI indicators give a visual indication of filter condition. The pressure bands depend on the selected model, so the correct application and range must be specified together.
These are the catalogue's coloured indication bands, not interchangeable alarm settings for every filter. Match the indicator to the filter assembly and its operating requirements.
Use the catalogue alongside the details below, then send the complete model and application requirements for selection support.
| Model reference | Application | Green (psi) | Yellow (psi) | Red (psi) |
|---|---|---|---|---|
| VI-R-1015-* | Return line | 0-10 | 10-15 | 15-60 |
| VI-R-2025-* | Return line | 0-20 | 20-25 | 25-60 |
| VI-S-0207-* | Suction line | -15 to 02 | 02-07 | 07-45 |
Source: Yuken accessories catalogue, Pub:03-2025, section starting at PDF page 16. Check the complete drawing and model designation before ordering.
FB specifies face mounting with back entry. SB specifies surface mounting with bottom entry.
Send a photograph of the coloured dial, model code and connection. Do not substitute a return-line indicator for a suction-line model based only on appearance.
Selection support
Include the existing model and installation details for a replacement, or the required operating conditions for a new application.
Open the VI Series Visual Clogging Indicators reference in the PDF hosted on Shree Hydraulics.
Compare the other series and catalogue references in this product category.
Contact Shree Hydraulics in Belagavi for product selection and quotation enquiries across India.