A05-P
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.
Asymmetric piston seal with excellent wear resistance, suitable for lubricated and dry pneumatic service. Its specially designed sealing lip maintains the initial lubricating film consistently.
| Surface Type | Rtmax | Ra |
| Sliding Surface | ≤ 2.5μm | ≤ 0.05-0.2μm |
| Groove Bottom | ≤ 6.3μm | ≤ 1.6μm |
| Groove End Face | ≤ 15μm | ≤ 3μm |
| Support Ratio: 50-95%, Cutting Depth 0.5R (based on reference condition with Cef=0%) | ||
| Standard Dimensions | Maximum Radial Extrusion Gap | ||||||||||
| D | d | G | Rmax | C | s* | ||||||
| H9 | h10 | +0.2 | 20bar | 100bar | 200bar | 400bar | |||||
| Range（mm） | |||||||||||
| 13 | 25 | D-8 | 6.0 | 0.4 | 3.5 | 0.34 | 0.14 | 0.11 | 0.05 | ||
| 25 | 50 | D-10 | 7.0 | 0.4 | 4.0 | 0.35 | 0.25 | 0.16 | 0.10 | ||
| 50 | 75 | D-12 | 8.0 | 0.4 | 4.5 | 0.44 | 0.24 | 0.20 | 0.14 | ||
| 75 | 150 | D-15 | 10.0 | 0.4 | 5.0 | 0.48 | 0.38 | 0.25 | 0.19 | ||
| 150 | 300 | D-20 | 12.0 | 0.4 | 6.0 | 0.55 | 0.37 | 0.32 | 0.26 | ||
| 300 | 500 | D-25 | 18.0 | 0.4 | 8.5 | 0.66 | 0.46 | 0.39 | 0.33 | ||
| 500 | 750 | D-30 | 20.0 | 0.4 | 10.0 | 0.67 | 0.52 | 0.45 | 0.39 | ||
| 750 | 1000 | D-40 | 26.0 | 0.4 | 13.0 | 0.67 | 0.52 | 0.45 | 0.39 | ||
| 1000 | 1500 | D-50 | 30.0 | 0.4 | 15.0 | 0.73 | 0.58 | 0.51 | 0.45 | ||
| 1500 | 2000 | D-60 | 35.0 | 0.4 | 17.5 | 0.73 | 0.58 | 0.51 | 0.45 | ||
| 2000 | 2500 | D-70 | 40.0 | 0.4 | 20.0 | 0.78 | 0.63 | 0.56 | 0.50 | ||
| 2500 | 3000 | D-80 | 45.0 | 0.4 | 22.5 | 0.78 | 0.63 | 0.56 | 0.50 | ||
| 3000 | 4000 | D-90 | 50.0 | 0.4 | 25.0 | 0.82 | 0.67 | 0.60 | 0.54 | ||
| *The aforementioned extrusion gap values apply to a working temperature of 70°C; if the temperature is higher, smaller gap values must be used. | |||||||||||
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.