Trelleborg MS-T1-12 Single spring mechanical seal, Type 1 (unbalanced, internal). 12mm shaft size. Carbon rotating face with ceramic stationary seat. Wear-part interchangeable across the OEM installed base; specify by original equipment manufacturer reference to avoid dimensional mismatch.
| Material | Carbon / Ceramic / NBR / SS304 |
| Standard | DIN 24960 / EN 12756 |
| Standard size | 12mm shaft |
| Pressure rating | 10 bar max |
| Temperature range | -20°C to +120°C |
| Approval | FDA 21 CFR 177.2600, NORSOK M-710, NACE TM0297, WRAS |
| Standards | NACE TM0297, DIN 24960, EN 12756, API 682 |
| Approvals | WRAS |
| HS code | 8484.20 |
| Material | Carbon / Ceramic / NBR / SS304 |
| Pressure rating | 10 bar max |
| Temperature range | -20°C to +120°C |
| Primary standard | DIN 24960 / EN 12756 |
| Standard size | 12mm shaft |
| MOQ | 1 |
DIN 24960 / EN 12756 Type 1 single-spring mechanical shaft seal, Carbon/Ceramic/NBR. Trelleborg Sealing Solutions manufactures mechanical face seals (Type DO / DF) — see Mechanical Face Seals and Rotary Seals catalogs.