K518 030-021 30 × 21 × 13.5 mm Hydraulic Piston Seal ID × OD × H: 21 × 30 × 13.5 mm
Dimensions: 21x30x13.5mm
K518 is a five piece double acting compact seal which consists of one elastomeric nitrile rubber sealing element, two polyester elastomer back-up rings on both sides to prevent extrusion into the sealing gap and two special profiled guide rings produced from thermoplastic to absorb transverse forces.
- Material:NBR/TPE/POM
- Temperature:-30 ° C to 105 ° C
- Pressure limit:400 bar
- Speed limit:0.5 m/s
In Stock
Need a different size or material? Custom machined seals from your drawing or a worn sample.
K518 030-021 size and specifications
K518 030-021 is a hydraulic piston seal with the PH521 profile, size 21 × 30 × 13.5 mm (0.827 × 1.181 × 0.531 in), made of NBR/TPE/POM. Bore-first size (bore × groove × width): 30 × 21 × 13.5 mm, also written 30x21x13.5. In stock and ready to ship. Free US shipping on orders over $100, same-day dispatch on orders placed by 11 AM ET, and 90-day returns.
| Dimension | mm | inch |
|---|---|---|
| Inner diameter (ID) | 21 | 0.827 |
| Outer diameter (OD) | 30 | 1.181 |
| Height (H) | 13.5 | 0.531 |
- Material
- NBR/TPE/POM
- Profile
- PH521
- Seal type
- Piston Seals
- Part number
- K518 030-021