V-rings (axial shaft seals, type VA and VS): shaft range, ring and mounting width, d2, profile height and width

sizes

45 in table

Notes

• Columns follow Fridle's headings: code, shaft diameter d, d2 max and d2 min (given as d plus an offset), b1 mounting width (installed width of the ring, with tolerance), d1 ring diameter, W profile height, B profile width and b2. The catalogue does not define the letters in words, and the figure is not in the text, so no further meaning is read into them. 40 VA rows are tabulated (VA0003 to VA0170, shaft 2.7 to 174 mm); Fridle's VA table ends at VA0170; Dichtomatik's list continues to VA50-2000 (the larger sizes were not read).
• Cross-check with Dichtomatik (VA 50 NBR, metric; its part types VA50-3 to VA50-16): its columns use other letters (h1, H, d2, d1, H1), and for the first ten sizes the values are numerically the same as Fridle's: Dichtomatik h1 = Fridle b2, H = B, H1 = b1 (for example VA50-10: h1 3.4, H 5.5, H1 4.5 ± 0.6; Fridle VA0010: b2 3.4, B 5.5, b1 4.5 ± 0.6), and its d2 = shaft + 1 or + 2, d1 = shaft + 4, + 6 or + 9 equal Fridle's d2 max and d2 min. The shaft ranges differ at the top end of the bands: Dichtomatik prints 2.7 to 3.5, 3.5 to 4.5, 4.5 to 5.5, 5.5 to 6.5, 6.5 to 8, 8 to 9.5, 9.5 to 11.5, 11.5 to 12.5, 13.5 to 15.5, 15.5 to 17.5 against Fridle's narrower 2.7 to 3.4 ... 15.5 to 17.0 (last column); both are shown and the ring series is the same, so choose by the maker you buy from.
• VS (the wider-profile type) is tabulated only for its first six sizes (VS006 to VS014); VL and the sizes above VA0170 are not given: the VL table could not be read cleanly (one ring-diameter value was a misprint in the source) and larger sizes were not read. Fridle's page also prints a surface-roughness line (Rmax 10 to 16 µm, Rz 6.3 to 10 µm, Ra 1.6 to 3.2 µm) without saying which surface it applies to, speed figures of 8, 8 and 12 m/s that cannot be matched to types, a shaft misalignment limit of 1° and NBR / FPM temperature ranges (-40 to +100 °C and -20 to +180 °C); these are not used further.
• Rotary seal vs stackable V-ring: this page covers the axial shaft-mounted V-ring (a flinger). McMaster-Carr's V-ring page also lists PTFE and leather stackable V-ring packing seals (for valves, pumps and cylinders), which are a different product; they are not tabulated here.
• No file: the ring's section (body, lip, hinge) is not published as numbers beyond W, B and b1, so a model would be invented. McMaster-Carr sells shaft-mounted V-rings with per-part STEP; its page is linked, not copied.

V-rings (axial shaft seals, type VA and VS): shaft range, ring and… size chart

Mating features

Drawn at the exact size. Open press, slide, run and socket features by your process's clearance (tolerances by process); leave designed gaps and clamp fits as drawn.

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

Xem scan

File coming

No downloadable true-size file yet: the published figures do not fix the whole shape, and Xem never guesses a number. A measured scan is planned; request it and it moves up.

Plain text: sheet.txt · JSON: /api/geometry?object=v-rings-va-vs-vl

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