B17-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 seal with additional rod stabilizing lip. OD interference fit ensures firm retention in glands. Designed for telescopic cylinders, mobile hydraulics and non-standard gland size applications.
| Surface Roughness | Rtmax | Ra |
| Sliding Surface | ≤ 2.5μm | ≤ 0.1-0.5μm |
| 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%) | ||
| Recommended Dimensions (mm) | Maximum Radial Extrusion Gap (mm) | |||||||
| d | D | G | s* | |||||
| f8 | H9 | 0.2 | 20 bar | 100 bar | 200 bar | 400 bar | ||
| Range (mm) | ||||||||
| 20 | 35 | d + 8 | 7.5 | 0,33 | 0,17 | 0,11 | 0,05 | |
| 35 | 45 | d + 8 | 8.5 | 0,37 | 0,22 | 0,16 | 0,10 | |
| 45 | 55 | d + 10 | 11 | 0,37 | 0,22 | 0,16 | 0,10 | |
| 55 | 120 | d + 15 | 13 | 0,46 | 0,31 | 0,25 | 0,19 | |
| 120 | 320 | d + 20 | 17 | 0,54 | 0,39 | 0,32 | 0,26 | |
| 320 | 500 | d + 30 | 21 | 0,61 | 0,46 | 0,39 | 0,33 | |
| 500 | — | d + 40 | 26.5 | 0,67 | 0,52 | 0,45 | 0,39 | |
| The extrusion clearance values shown in the table are valid for temperatures under 70°C. Lower clearances shall be used at higher temperatures. | ||||||||
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.