L01
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.
The most common guide ring for piston rods or pistons. Used in standard cylinders, typically requiring a split design for installation in closed grooves, also available as a one-piece design (bushing/sleeve).
| Surface Type | TPU/Elastomer | 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 End Face | ≤ 15μm | ≤ 3μm | ≤ 15μm | ≤ 3μm |
| Support Ratio: 50-95%, Cutting Depth 0.5R (based on reference condition with Cef=0%) | ||||
| Standard Dimensions | ||||||||
| Inner Dynamic Surface | Outer Dynamic Surface | |||||||
| d | D | D | d | c/s | G | Rmax | ||
| f8 | H9 | H9 | f8 | +0.2 | ||||
| Range（mm） | ||||||||
| 6 | 30 | d+3 | 6 | 30 | D-3 | 1.5 | 4 | 0.3 |
| 30 | 50 | d+3 | 30 | 50 | D-3 | 1.5 | 5.6 | 0.3 |
| 50 | 100 | d+5 | 50 | 100 | D-5 | 2.5 | 9.7 | 0.3 |
| 100 | 800 | d+5 | 100 | 800 | D-5 | 2.5 | 15 | 0.3 |
| 800 | d+8 | 100 | D-8 | 4 | 25 | 0.3 | ||
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.