B2931-F
Product Name
B2931-F
Classification
Piston Rod Seal
Certification
ISO 9001, FDA, RoHS
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.
Equal-angle V packing optimized for high pressure; requires external spring pre-tension, for chemical, pharmaceutical and food applications.
| 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 | H8 | 3-50 bar | 4-100 bar | 5-315 bar | ||
| Range (mm) | ||||||
| 10 | 15 | d + 8 | 3,5 | 14 | 17 | 20 |
| 15 | 40 | d + 10 | 4,0 | 16 | 19 | 22 |
| 40 | 50 | d + 12 | 4,5 | 19 | 23 | 27 |
| 50 | 75 | d + 15 | 5 | 22 | 26,5 | 32 |
| 75 | 150 | d + 20 | 6 | 32 | 38 | 44 |
| 150 | 200 | d + 25 | 8,5 | 35 | 42 | 50 |
| 200 | 300 | d + 30 | 10 | 39 | 47 | 56 |
| 300 | 600 | d + 40 | 13 | 50 | 62 | 74 |
| 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.