Products Description
| Product Name | Description | Capabilities Applied/Processes | Overall Dimensions |
| Plunger seals | Use Plunger seal for a good seal in either a liquid seal or a liquid piston rod seals |
Avoid the rolling phenomenon of hydraulic reciprocating movement |
Standard size |
| Color |
Black, white, blue, etc |
| Material Used | FKM, PTFE |
| Benefits |
It has small friction resistance, starting resistance, and so on |
| In-process testing performed | Customer Life-Test |
| Standards Met | RMA Standards |
| Application |
Hydraulic industry |
Advantages of Plunger Seals
High-pressure resistance: Plunger seals can maintain a good seal effect in high-pressure environments. For example, Bal Seal spring-energized plunger pump seals can provide reliable service at pressures up to 20,000 psi (1379 bar).
Low friction and high efficiency: Plunger seal have low friction characteristics in the low-pressure range, which makes them excel in applications that require low friction.
Shock load resistance: Some plunger pump seals can withstand high loads and shock loads, which makes them excel in applications that need to withstand heavy loads.
High precision and customization: Plunger seals can be custom-designed to meet the needs of specific applications. For example, some plunger seal use precision-engineered flange and lip designs to optimize their performance.
Main Functions
Plunger seals are an important seal in plunger pumps. Their main functions are:
1. During the operation of the plunger pump, seal the gap between the plunger and the pump body to prevent leakage of the pumped liquid.
2. Ensure that the pumped liquid can flow along the predetermined flow path when the plunger reciprocates, thereby improving the pumping efficiency.
3. Protect the plunger surface and extend the service life of the plunger.
Plunger seals are usually made of wear-resistant and chemical-resistant materials, such as polytetrafluoroethylene (PTFE), fluoro rubber, etc. They can be divided into two structures: cylindrical and annular.
Technical Data Sheet for FKM
| Eigenschaft property | unit | test method | test parameter | Wert value |
| Hardness | Shore A | ASTM D 2240 | 75 | |
| Tensile strength | MPa | ASTM D 412 | 10 | |
| ultimate elongation | % | ASTM D 412 | 220 | |
| Specific gravity | g/cm³ | ASTM D 297 | 1.8 | |
| Compression set | % | ASTM D 395 B | 22h/200°C | 12 |
| The above data are the best data determined on standardized test specimens according to modern laboratory standards. If these data are compared with data determined on finished parts, differences may occur. | ||||
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