Category
K03 Hydraulic piston seals
K03 single acting piston seal set consists of thermoplastic header ring, fabric elastomer intermediate ring and fabric elastomer backup ring.
Advantages
- High wear resistance
- Superior sealing performance in heavy duty applications
- Long service life
- Thin oil film
- Suitable design for locking applications
Area of Application
- Mining industry
- Iron and steel industry
- Injection moulding machines
- Presses
- Heavy duty cylinders
In this catalog
32 K03 parts, bore 10–270 mm across 31 sizes. Most common section heights: 11 mm (7), 32,5 mm (5), 8,9 mm (5).
Same bore, other series
If a K03 size is not the right profile, these cover the same ID/OD combinations:
32 parts in catalog

Technical table
Live column filters for code, category, ID, OD and H — same workflow as the store.
32 parts
| Image | Code (SKU) | Category | ID (d) | OD (D) | H (L) | Action |
|---|---|---|---|---|---|---|
![]() | K03-020 | K03 | 10 | 20 | 8.9 | |
![]() | K03-022 | K03 | 12 | 22 | 8.9 | |
![]() | K03-025 | K03 | 15 | 25 | 8.9 | |
![]() | K03-028 | K03 | 18 | 28 | 8.9 | |
![]() | K03-030 | K03 | 20 | 30 | 8.9 | |
![]() | K03-032 | K03 | 20 | 32 | 10.4 | |
![]() | K03-035 | K03 | 23 | 35 | 10.4 | |
![]() | K03-036 | K03 | 24 | 36 | 10.4 | |
![]() | K03-040 | K03 | 25 | 40 | 11 | |
![]() | K03-042 | K03 | 27 | 42 | 11 | |
![]() | K03-045 | K03 | 30 | 45 | 11 | |
![]() | K03-050 | K03 | 35 | 50 | 11 | |
![]() | K03-055 | K03 | 40 | 55 | 11 | |
![]() | K03-056 | K03 | 41 | 56 | 11 | |
![]() | K03-060 | K03 | 45 | 60 | 11 | |
![]() | K03-063 | K03 | 48 | 63 | 12.5 | |
![]() | K03-070 | K03 | 50 | 70 | 14.6 | |
![]() | K03-080 | K03 | 60 | 80 | 14.6 | |
![]() | K03-090 | K03 | 70 | 90 | 20.6 | |
![]() | K03-100 | K03 | 80 | 100 | 20.6 | |
![]() | K03-110 | K03 | 90 | 110 | 20.6 | |
![]() | K03-115 | K03 | 95 | 115 | 20.6 | |
![]() | K03-125 | K03 | 100 | 125 | 25 | |
![]() | K03-140 | K03 | 115 | 140 | 25 | |
![]() | K03-150 | K03 | 120 | 150 | 28 | |
![]() | K03-160 | K03 | 130 | 160 | 28 | |
![]() | K03-180 | K03 | 150 | 180 | 30.5 | |
![]() | K03-200 | K03 | 170 | 200 | 32.5 | |
![]() | K03-250 | K03 | 220 | 250 | 32.5 | |
![]() | K03-275 | K03 | 245 | 275 | 32.5 | |
![]() | K03-280 | K03 | 250 | 280 | 32.5 | |
![]() | K03-300 | K03 | 270 | 300 | 32.5 |
