格雷亚特流体密封技术有限公司
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GRA type stem combination seal

By V-shaped spring as a force component, filled with carbon fiber PTFE made of slip ring and V-ring and PEEK or PTFE filled carbon fiber supporting ring and pressure ring composition, structural stability, is a high pressure, Heavy-duty seal, with good anti-leakage, anti-extrusion and wear resistance, while leakage can be adjusted. Elgiloy spring even in very low temperature environment also has a good elastic support, as a valve stem seal and widely used in the oil industry.
As the sealing surface is large, so the friction will be too large, resulting in a larger torque.


Application areas

Petrochemical

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