A23-F
TvnSeal Engineering Plastics Technology Co., Ltd. is a national high-tech enterprise specializing in the R&D and manufacturing of high-performance sealing materials and special polymer new materials.
Compact PTFE piston seal with rectangular ring preload and integrated backup ring. It features low friction, good chemical resistance and heat resistance, and requires separate guide elements.
| Surface Roughness | Rtmax | Ra |
| Sliding Surface | ≤ 2.5μm | ≤ 0.05-0.2μm |
| Groove Bottom | ≤ 6.3μm | ≤ 1.6μm |
| Groove End Face | ≤ 15μm | ≤ 3μm |
| Additional Notes: Support Rate: 50-95%, Cutting Depth 0.5R (based on the reference condition of Cref=0%) | ||
| Standard Dimensions | ||||||
| D | d | G | Rₘₐₓ | c | S* | |
| H9 | h9 | +0.2 | ||||
| Range (mm) | ||||||
| 20 | 50 | D-10 | 12.5 | 0.4 | 4 | 0.4 |
| 50 | 80 | D-15 | 20 | 0.4 | 5 | 0.4 |
| 80 | 150 | D-20 | 25 | 0.4 | 6 | 0.4 |
| 150 | 400 | D-25 | 32 | 0.4 | 8.5 | 0.4 |
| 400 | 600 | D-30 | 36 | 0.4 | 10 | 0.4 |
| * The extrusion gap values shown above are valid at 70°C. If the operating temperature is higher, smaller gap values shall be adopted. | ||||||
Applications
Chemical Industry
Used in pumps, valves, and piping systems for chemical processing plants.
Pharmaceutical
FDA-compliant seals for drug manufacturing and processing equipment.
Food Processing
Sealing solutions for food and beverage processing machinery.
Oil & Gas
High-pressure seals for oil drilling and refining equipment.
Automotive
Engine and transmission seals for automotive applications.
Aerospace
Precision seals for aerospace and aviation equipment.