B2527-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.
Unequal-angle V-seal optimized for low pressure; ensures sufficient contact pressure at low loads, requires external spring pre-tension. For chemical, pharmaceutical and food service.

| Surface Roughness | Rtmax | Ra |
| Sliding Surface | ≤ 2μm | ≤ 0.05-0.3μm |
| 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 | C | s* | |||
| f8 | H10 | 2-16 bar | 3-50 bar | 4-100 bar | ||
| Range (mm) | ||||||
| 10 | 16 | d+8 | 3,5 | 12 | 15 | 18 |
| 16 | 40 | d+10 | 4,0 | 14 | 19 | 23 |
| 40 | 50 | d+12 | 4,5 | 16 | 22 | 26 |
| 50 | 75 | d+15 | 5 | 19 | 27 | 33 |
| 75 | 150 | d+20 | 6 | 25 | 35 | 42 |
| 150 | 200 | d+25 | 8,5 | 32 | 44 | 53 |
| 200 | 300 | d+30 | 10 | 39 | 54 | 64 |
| 300 | d+40 | 13 | 45 | 64 | 76 | |
| 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.