Our company has been producing reliable Piston Compact Seal, Polyester Resin Wear Rings, Composite Thrust Bearings for many years, and we welcome new and old customers to visit us. Keep pace with the times, innovate and create excellence, so that our products in the strong market competition pressure, our sales continued to grow, which laid a solid foundation for further expansion and strength. We insist on customer-centered, insist on the continuous innovation of customer demand as the driving force, and win the respect and trust of the majority of customers. While serving customers wholeheartedly, we constantly improve and develop our own technical level and service quality. In terms of system reliability, feasibility, pre-sales support and after-sales service, training and maintenance, we are committed to providing users with the best solutions and wholeheartedly providing customers with value-added services.
Our back-up rings can be made from pure PTFE or filled other materials to meet different working conditions.
Product parameter
Material type | Color | Density (g/cm³) | Linear thermal expansion factor | Tensile Strength | Elongation | Compressive strength | Bending strength | Impact strength without Notch | Friction and wear properties (dry friction) | |||
Coefficient of friction | Wear scar width | Wear loss | ||||||||||
DF-101 | White | 2.1-2.2 | 10-12 | 20-30 | ＞250 | 12 | 11-14 | 16 | ＜0.1 | ≥20 | ≥254 | |
Product application
In a sealing application, backup rings provide added extrusion resistance and prevent damage to o-rings and seals when subjected to high pressures, larger extrusion gaps, and/or high temperatures.
We attempt for excellence and hope to be the top cooperation team and dominator company for personnel, suppliers and customers, realizes price share and continual marketing for Back up Seal Rings for Oil and Gas Application. Since the establishment of our company, thanks to the support and love of the vast number of new and old customers, our service team is growing and the service field is constantly expanding. Our company provides comprehensive after-sales service and support to users in the shortest time. We will always be your responsible and trustworthy partner.
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