TPM combined piston seal, a hydraulic piston seal made of NBR and PTFE materials, model TPM-393295/393314

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xProduct Name | TPM Combination Seal | Color | Black And White |
---|---|---|---|
Material | NBR , PU | Feature | Sealing Performance,Heat Resistance,gas Tightness,water Resistance,Oil Resistance |
Temperature | 30℃~+120℃ | Medium | Mineral Oil Based Hydraulic Fluids |
Pressure | 0~0.05MPA | Product Overview | KDAS Combination Seals Are Often Used As Sealing Elements In Hydraulic Cylinders And Pistons That Undergo Repeated Motion. |
Highlight | TPM hydraulic piston seal NBR PTFE |
Outer Diameter * Inner Diameter * Intermediate Platform Height * Total Height | |
---|---|
393295 100*75*22.4*35.1 | |
393314 100*80*25*37.7 |
Engineered for demanding hydraulic/pneumatic systems to minimize downtime and maximize equipment reliability


The TPM Combined Piston Seal represents a next-generation integrated sealing system optimized for high-pressure, high-speed piston applications. Featuring an innovative dual-material composite structure (e.g., PTFE + elastomer) and unified guide ring/sealing lip design, it delivers:
- Zero-leakage performance (static/dynamic sealing)
- Ultra-low friction coefficient (reduces energy consumption)
- Extrusion & wear resistance (handles pressures >400 Bar)
- Broad temperature compatibility (-30°C to +110°C)
- Intelligent structural design
- Three-function architecture: The guide ring, main sealing lip, and elastic compensator work together to eliminate gap leakage.
- Self-activating pressure groove: Dynamic pressure activates the sealing lip--the sealing force increases with pressure.
- Advanced materials science
- Friction optimization layer: PTFE material reduces starting friction by up to 80%.
- High-strength backing: NBR, FKM, or polyurethane elastomers resist burst impact.
- Engineering validated performance
- 10 million cycle durability test (simulating heavy machinery conditions)
- Compatible with biodegradable hydraulic oil (environmental compliance)
PRODUCT NAME | TPM Piston seal |
---|---|
Temperature | -30~+110ºC |
Press | 0~0.05MPA |
Rotational Speed | 0-25m/s |
Medium | lubricating Oil, Grease, Water |
Other material of oil seal | Silicone, NBR, Metal , PTFE, etc. |
Heavy Machinery: Excavator hydraulic cylinders
Crane pistonsInjection Molding: Clamping cylinder precision seals
Energy Equipment : Wind turbine pitch actuators ,oil/gas wellhead controls
Mobile Machinery : Agricultural steering systems
Advanced Manufacturing : Die-casting machines, aerospace actuators