
Polyurethane PU Material Hydraulic Composite Kdas Piston Oil Seal
Model: DAQ
Temperature: -45/+200℃
Speed: ≤2m/s
Pressure: ≤40MPa
Product Introduction
In order to ensure that usi u cup, Piston Rod Seals U Cup UN, dust seal are advanced in technology, superior in quality and reasonable in price, our company has made great efforts in product management. With perfect enterprise management system, strong equipment foundation and strong technology development force, we constantly absorb new technology and new technology, so that our company's product quality and performance has always been in a leading position. The company respects the enterprise spirit of 'pragmatic, hard work', and creates a good corporate environment with integrity, win-win, and business philosophy. We hope to lead the industry in high-quality development and contribute to the sustainable development of the whole industry and society. We will always stand ready to cooperate with you.
Description
Piston Seals AQ is a double-acting piston seal utilizing high-performance PTFE paired with an elastomer energizer and x-ring for optimum performance and durability. Used for sealing between two media such as fluid and gas.
PTFE seal ring and x-ring together provides the dynamic sealing function, while the elastomeric energizer provides the static sealing. AQ seals face includes pressure notches, which makes the seal very responsive to changes in pressure or direction of travel.
It is especially effective in applications where two different types of media need to be separated, such as in piston accumulators, intensifiers, and position-holding applications. This makes this seal a good choice for applications such as stabilizers, accumulators, manlifts, and industrial presses.
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 |
X Ring Material | NBR or FKM |
Color | Black or Brown |
Speed | ≤2m/s |
Temperature | -45 to 200℃ |
Pressure | ≤40MPa |
Medium | Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water, air and others |
Application | Standard cylinders, Piston accumulators, Presses etc. |
Standard or can fit the groove | Comply with standard of ISO 7425/1, GB/T 15242.3, PQ12/22/32/52, PQ14/24,Trelleborg-AQ series. |
Pressure | 160bar | 200bar | 300bar |
Max Gap E | E≤0.6mm | E≤0.4mm | E≤0.3mm |

Installation Dimension table based on Metric Size (mm)
D H9 | d h9 | L +0.2 | O Ring CS d1 | X Ring CS d2 | R1≤ | C≥ |
16~39 | D-11 | 4.2 | 3.55 | 1.78 | 1.0 | 4 |
40~79 | D-15.5 | 6.3 | 5.3 | 1.78 | 1.3 | 4 |
80~132 | D-21 | 8.1 | 7 | 2.62 | 1.8 | 6 |
133~252 | D-24.5 | 8.1 | 7 | 2.62 | 1.8 | 6 |
253~462 | D-28 | 9.5 | 8.4 | 3.53 | 2.5 | 7.5 |
463~700 | D-35 | 11.5 | 10 | 5.33 | 3.0 | 8 |
Feature
● High sealing effect in applications requiring media separation
● Double security through the combination of low-friction special materials with elastomer seals
● Simple groove design, small installation space
● Outstanding sliding properties, no stick-slip effect


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


We continue to promote independent innovation and technological progress, improve product quality of our Polyurethane PU Material Hydraulic Composite Kdas Piston Oil Seal and service level. We select talented managers to form a leadership team, and form a vertical and horizontal division of labor within the team to achieve rational decision making and efficient execution with a group approach. We are adhering to the management philosophy of 'treat others with courtesy, unity and dedication, striving for progress' and the corporate management culture of 'focusing on talents, management, and technology', and constantly deepen cooperation with customers to provide them with satisfactory products and service.
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