Design standard
The catalogue distinguishes Japanese Rc with metric bolts, European BSP.F with metric bolts, and North American NPT with unified bolts for threaded versions.
Yuken Pipe and pump flanges
Pipe flange kits with threaded, socket-weld and block-type options, selected by size and connection standard.

F3 kits connect hydraulic equipment to pipework through a bolted flange face. The full designation identifies the flange size, pipe connection, seal option and whether O-rings and mounting bolts are included.
Confirm the exact connection and design standard against the installation drawing. Rc, BSP.F and NPT threads are not interchangeable.
Use the catalogue alongside the details below, then send the complete model and application requirements for selection support.
| Code or field | Selection |
|---|---|
| B | Threaded connection |
| A | Pipe socket welding |
| C | Block type |
| Seal prefix omitted | Standard NBR (Buna N) |
| F seal prefix | FPM (Viton), catalogue option for synthetic fluids |
| O-ring and bolt option omitted | With O-ring and mounting bolts |
| N option | Without O-ring and mounting bolts |
| Size references | 03W, 03, 06V, 06W, 06, 10W, 10, 16W, 16, 24W, 24 |
Source: linked manufacturer reference sheet, starting at PDF page 1. Check the complete drawing and model designation before ordering.
The catalogue distinguishes Japanese Rc with metric bolts, European BSP.F with metric bolts, and North American NPT with unified bolts for threaded versions.
Send the mating-port dimensions, bolt spacing and pipe size. Verify seal compatibility with the actual hydraulic fluid.
Selection support
Include the existing model and installation details for a replacement, or the required operating conditions for a new application.
Open the F3 Series Pipe Flange Kits 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.