
Cartridge Seal (CARTEX-DN)
Model: DRD
Temperature: -45/+200℃
Speed: ≤15m/s
Pressure: ≤35MPa
Product Introduction
We are committed to continue to deepen in the areas of talent training, R&D innovation, and manufacturing to ensure that we provide our customers with more quality and precise Metal Dust Wiper Ring, double lip seals, Hydraulic Piston Seals Double Delta and services. We adhere to the basic values of honesty and trustworthiness, and hope that employees will maintain the basic work style of dedication and due diligence. We have established a scientific and standardized safety and quality management system, and put the safety of employees above all else as the first rule of safety production. We focus on stimulating and mobilizing the enthusiasm, initiative and creativity of employees, give full play to their intelligence, and realize the common development of employees and enterprises.
Description
Hydraulic Rod Seals Double Delta is a double-acting low-friction rod seal solution for compact O-ring grooves, that extends the service range above what an o-ring alone is capable of supporting. The DRD is designed for light-duty applications, is particularly suited for small-diameter installations, and due to its size and design, is easy to install. High-performance materials, provide outstanding wear and extrusion resistance properties as well as a large range of temperature and media compatibility.
This Hydraulic Rod Seal Double Delta is designed to be used in existing dynamic o-ring grooves and doesn't require any groove modification. It is a good choice for pneumatic and hydraulic equipment sealing needs, the DRD is proven to extend the service range and seal longevity over stand-alone o-ring installations.
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 | ≤35MPa |
Medium | Mineral oil-based hydraulic fluids, barely flammable hydraulic fluids, water, air, and others |
Application | Valve stem, Mini hydraulic, etc. |
Standard or can fit the groove | Comply with the standard of ISO3320, Trelleborg-RDD series standards. |
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≤ |
3~8 | d+2.9 | 2.4 | 1.78 | 0.3 |
10~18 | d+4.5 | 3.6 | 2.65 | 0.4 |
20~36 | d+6.2 | 4.8 | 3.53 | 0.4 |
40~115 | d+9.4 | 7.1 | 5.33 | 0.6 |
120~400 | d+12.2 | 9.5 | 6.99 | 0.8 |
Features
The features of the Hydraulic Rod Seals Double Delta are as follows:
●There is no creeping because of the low friction resistance.
●The sealing effects, both dynamic and static, are quite good.
●There is no clinginess.
●The groove construction is straightforward.
●High-pressure resistance and a high degree of adaptability to changing operating conditions
● It can tolerate both cold and heat temperatures ranging from -45 to 200℃.


The selection of raw materials are international first-line brand suppliers, In order to ensure product quality, we promise that don't add waste (recycled materials) to the material.


On the premise of ensuring quality, the diversification of products makes our Cartridge Seal (CARTEX-DN) sell well at home and abroad, and has won the trust and high praise of our customers. We have our own production base and strong manufacturing capacity, which makes the product quality more secure. We provide customers with long-term, stable and excellent products. We firmly believe that through our unremitting efforts, we will become a trusted partner of our customers.
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