F68
Product Name
F68
Classification
Wiper 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.
Model F68 double-acting dust wiper consists of a rectangular PTFE ring with sealing lips and scraping lips, plus two O-rings acting as sealing and preloading assemblies.
| Surface Roughness | TPU | PTFE | ||
| Rtmax | Ra | Rtmax | Ra | |
| Sliding Surface | ≤ 2.5μm | ≤ 0.05–0.3μm | ≤ 2μm | 0.05 - 0.2μm |
| Groove Bottom | ≤ 6.3μm | ≤ 1.6μm | ≤ 6.3μm | ≤ 1.6μm |
| Groove Side | ≤ 15μm | ≤ 3μm | ≤ 15μm | ≤ 3μm |
| Bearing area: 50-95% and cutting depth of 0.5 Rz (based on Cref = 0%) | ||||
| Recommended Dimensions (mm) | ||||||
| d | D | D1 | G | G1 | s | |
| f8/h9 | H8 | H8 | +0.2 | +0-0.1 | ||
| Range (mm) | ||||||
| 100 | 230 | d+22.2 | d+10.7 | 6.3 | 4.2 | 13.5 |
| 230 | 300 | d+24.2 | d+10.7 | 6.3 | 4.2 | 13.5 |
| 300 | 630 | d+33.0 | d+15.1 | 8.1 | 6.3 | 18.4 |
| 630 | 1000 | d+36.5 | d+15.1 | 9.5 | 6.3 | 19.8 |
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.