Hydraulic piston seal,composed of a low friction filled polytetrafluoroethylene (PTFE) ring and an O-shaped rubber seal ring, the O-ring provides sufficient sealing preload and compensates for the abrasion of the PTFE ring. The friction coefficient of PTFE is small, and the coefficient of static and dynamic friction is similar. Suitable for high low-speed reciprocating movement and high-pressure system of cylinder piston rod seals. The two-step ring seal is used to achieve 0 leakage.
Sliding speed[m/s] | 5(max) |
Temperature [° C] | -30..+200 |
Pressure Pr:N/mm² | 35（max） |
Media | Mineral -based hydraulic oil .flame-retardant liquid. |
Material | Sealing ring: PTFE - Bronze O-ring: NBR/FKM |
Hardness | HS95±2A |
Feature | -Low friction, non stick slip phenomenon -Good wear resistance -Bidirectional sealing capability -Save installation space |
Certificates | ISO9001-2008, SGS |
Delivery time | 5 to 7 working days, 2 days for in stock |
MOQ | 20 |
Supply ability | 1,000,000 pcs/month |
Export market | South Asia,Southeast Asia,South America,North America,Africa,Middle East,Australia |
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