
Low Friction Double Acting PTFE+Bronze Glyd Piston Rod Ring Seal
Model: DSI
Temperature: -45/+200℃
Speed: ≤15m/s
Pressure: ≤60MPa
Product Introduction
Facing the new situation and new opportunities, we will always stand at the forefront of the tide of the times and bear in mind the mission of providing the best quality spring energized face seal, buffer seal, glyd ring and services. We reduce the intermediate links of sales, create direct sales mode, and improve the market information feedback system with the help of various information platforms. We will grasp the management internally, build up the image externally, and promote the great development of various undertakings. Our company is an industry frontier advocating the concept of environmental protection.
Description
This Hydraulic Cylinder Rod Glyd Ring is a double-acting composite rod seal composed of a filled PTFE friction ring and pre-tightened rubber O-ring. They can be assembled in grooves according to standard ISO 7425/2. And this Hydraulic Cylinder Rod Glyd Ring can be used for reciprocating hydraulic systems.
It has an excellent performance in high, medium, low pressure, and high load, high-frequency conditions. What's more, it is a very effective and reliable low friction seal. It is particularly suitable as a rod seal in high-pressure and low-pressure systems.
Bulldozers, excavators, forging machines, brick presses, rolling mills, servo valves, and other machine tools all benefit from our Hydraulic Cylinder Rod Glyd Ring, which is especially ideal for long strokes and bigger rod diameters in fluids and high pressures. The various sliding ring colors, such as black, green, coffee, yellow, and others, may meet most of your color requirements.
Specification
Slide Ring Material | PTFE Filled Bronze, Carbon, MoS2, Graphite, Glass Fiber, Ekonol, Polyimide, etc. |
Slide Ring Color | Black, Green, Coffee, Yellow, etc. |
O Ring Material | NBR or FKM |
Color | Black or Brown |
Speed | ≤15m/s |
Temperature | -45 to 200℃ |
Pressure | ≤60MPa |
Medium | Mineral oil-based hydraulic fluids, barely flammable hydraulic fluids, water, air, and others |
Application | Special cylinders, Pumps, and Valves, Machine tools, Robotics, Servo equipment, etc. |
Standard or can fit the groove | Comply with standard of ISO7425/2, GB/T 15242.3, RG43/RG41/RG45, GS55043/41/45, GSI, Trelleborg-RG4 series、 Parker-ON series、AS-XAB series |
Pressure | 160bar | 250bar | 400bar |
Max Gap E | E≤0.6mm | E≤0.4mm | E≤0.2mm |

Installation Dimension table based on Metric Size (mm)
d h9 | D H9 | L +0.2 | O Ring CS d1 | R1≤ |
3~18 | d+4.9 | 2.2 | 1.8 | 0.4 |
8~36 | d+7.3 | 3.2 | 2.65 | 0.4 |
19~200 | d+10.7 | 4.2 | 3.55 | 0.8 |
38~250 | d+15.1 | 6.3 | 5.3 | 1.2 |
100~400 | d+20.5 | 8.1 | 7 | 1.6 |
250~760 | d+24 | 8.1 | 7 | 1.6 |
650~1500 | d+27.3 | 9.5 | 8.6 | 2 |
1000~1500 | d+38 | 13.8 | 12 | 2 |
Features
This Hydraulic Cylinder Rod Glyd Ring has the following features:
1) For both static and dynamic applications, the optimal seal is available.
2) There is no stick-slip effect because of the low coefficient of friction.
3) Extrusion resistance and wear resistance are both excellent.
4) Depending on the O-ring material, a wide temperature range and great chemical resistance are possible.


The company has 5,000 square meters of professional production plants, 2000 square meters of constant temperature and humidity production workshop, dozens (of sets) of advanced production equipment.
Own a professional and technical production team and sales service team.


We hope that more customers can provide high-quality Low Friction Double Acting PTFE+Bronze Glyd Piston Rod Ring Seal and win the trust and praise of customers. Our company has become the driving force of the industry progress by leading the industry standard. Warmly welcome you and opening up the boundaries of communication.
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