High Temperature Double Acting Piston Seal SPGO Series
The SPGO high temperature double acting piston seal is engineered for hydraulic applications operating under elevated thermal conditions. Equipped with a PTFE profile ring and an FKM (Viton) energised o-ring, this seal maintains excellent sealing performance and dimensional stability at continuous operating temperatures up to 110°C.
Technical Data
| Pressure | Speed | Temperature | Media |
| 0~35 MPa | 1.5 m/s | –20°C / +110°C (FKM) | Hydraulic mineral oils, HFD fluids, water based fluids |
Advantages
- FKM (Viton) o-ring for superior thermal stability at 110°C
- PTFE profile ring with low friction under high temperature cycling
- Excellent chemical resistance to aggressive hydraulic fluids
- Anti-extrusion design for reliable high-pressure sealing
- Low compression set for long-term sealing consistency
- Compatible with fire-resistant HFD hydraulic fluids
Applications
- Steel mill continuous casting hydraulic cylinders
- Hot rolling mill hydraulic adjustment systems
- Industrial forging and stamping presses
- Injection molding machine clamping cylinders
- Die casting machine hydraulic actuators
- High temperature furnace hydraulic systems
Specification
| P/N | D (mm) | d (mm) | H (mm) | L+0.2 (mm) |
| SPGO0200 | 20 | 14 | 3 | 3.2 |
| SPGO0250 | 25 | 19 | 3 | 3.2 |
| SPGO0300 | 30 | 21.5 | 3.8 | 4 |
| SPGO0320 | 32 | 23.5 | 3.8 | 4 |
| SPGO0350 | 35 | 26.5 | 3.8 | 4 |
| SPGO0400 | 40 | 31.5 | 3.8 | 4 |
| SPGO0450 | 45 | 36.5 | 3.8 | 4 |
| SPGO0500 | 50 | 41.5 | 3.8 | 4 |
| SPGO0550 | 55 | 46.5 | 3.8 | 4 |
| SPGO0600 | 60 | 51.5 | 3.8 | 4 |
| SPGO0630 | 63 | 49 | 6.3 | 6.5 |
| SPGO0650 | 65 | 51 | 6.3 | 6.5 |
| SPGO0700 | 70 | 56 | 6.3 | 6.5 |
| SPGO0750 | 75 | 61 | 6.3 | 6.5 |
| SPGO0800 | 80 | 66 | 6.3 | 6.5 |
| SPGO0900 | 90 | 76 | 6.3 | 6.5 |
| SPGO1000 | 100 | 86 | 6.3 | 6.5 |