Valve Spool Piston
Stepped spool piston that opens and closes flow paths in directional valves.
Manufacturing Scope
Valve Spool Piston is a Valve Parts family precision-turned on a Goodway SW-20, covering 10 variants — diameters ⌀4–20 mm, lengths 28–102 mm, standard material Stainless Steel (also steel, stainless, brass or aluminium). Every variant's part code, dimension and tolerance is listed below; request an instant quote with the code you need.
Variants are machined to h6 tolerance; the smallest is VALA-SPL-04 (⌀4 mm) and the largest VALA-SPL-20 (⌀20 mm). The family includes multi-step variants. Custom sizes, tolerances or materials are produced to the part code on request.
| Code | Dia ⌀ | Length | Feature | Tolerance | Std |
|---|---|---|---|---|---|
| VALA-SPL-04 | ⌀4 | 28 mm | 5 steps | h6 | 3 lant spool |
| VALA-SPL-05 | ⌀5 | 33 mm | 5 steps | h6 | 3 lant spool |
| VALA-SPL-06 | ⌀6 | 38 mm | 5 steps | h6 | — |
| VALA-SPL-08 | ⌀8 | 46 mm | 5 steps | h6 | — |
| VALA-SPL-10 | ⌀10 | 56 mm | 5 steps | h6 | — |
| VALA-SPL-12 | ⌀12 | 66 mm | 5 steps | h6 | — |
| VALA-SPL-14 | ⌀14 | 74 mm | 5 steps | h6 | — |
| VALA-SPL-16 | ⌀16 | 82 mm | 5 steps | h6 | — |
| VALA-SPL-18 | ⌀18 | 92 mm | 5 steps | h6 | — |
| VALA-SPL-20 | ⌀20 | 102 mm | 5 steps | h6 | — |
Material & Tolerance
The standard material is listed below; also available in steel, stainless, brass and aluminium. Dimensions in mm; tolerances machined to ISO. For custom sizes/tolerances, contact us with the part code.
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