
Good Quality Spot Manufacturer Direct Oil O-Ring
Model: DPD
Temperature: -45/+200℃
Speed: ≤15m/s
Pressure: ≤35MPa
Product Introduction
We have a strong market competitiveness while ensuring high quality and output of our ptfe backup ring, Single Lip PTFE Oil Seals, ptfe wiper seals. Our product market share ranks among the top in the country, and even has good sales in the international market. We believe that the purpose of management is to allocate all resources effectively and increase the value of enterprise capital. Honesty and trustworthiness are the core values of our company, which are the foundation of our business; performance orientation is the support for our development and growth. Remember to find our website to check more information from our merchandise.
Description
The Double Delta Hydraulic Piston Seal is a double-acting low-friction piston seal for tiny o-ring grooves that expands the service range beyond what one o-ring alone can support. It's made for light-duty use and is especially well-suited to small-diameter installations. The high-performance materials offer excellent wear and extrusion resistance, as well as a wide temperature and medium compatibility range. Furthermore, Hydraulic Piston Seals Double Delta gives great dry running and stick-slip-free startup. In the thin, flexible middle region, it preloads the seal cap. Even at low pressures, this provides good leakage control.
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, Machine tools, Mini hydraulics, etc. |
Standard or can fit the groove | Comply with the standard ISO 3320, Trelleborg-PDD 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≤ | C≥ |
6~12 | D-2.9 | 2.4 | 1.78 | 0.4 | 2 |
14~24 | D-4.5 | 3.6 | 2.62 | 0.4 | 2 |
25~45 | D-6.2 | 4.8 | 3.53 | 0.6 | 2 |
48~120 | D-9.4 | 7.1 | 5.33 | 0.8 | 3 |
125~500 | D-12.2 | 9.5 | 6.99 | 0.8 | 3 |
Feature
The features of the Hydraulic Piston Seals Double Delta are as follows:
● The good static and dynamic sealing effect
● Low friction, high efficiency
● Leak-tight reliable sealing performance
● No adhesion even after extended periods of rest
● High abrasion resistance
● Stick-slip-free starting


The company has 5,000 square meters of professional production plants, 2000 square meters of constant temperature and humidity production workshop, and 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) to the material.


We have both a national and international operating network, and our Good Quality Spot Manufacturer Direct Oil O-Ring is well received by both domestic and international customers. Through the details of the essence, we carefully control every detail of the product, our quality is trustworthy. We always take excellence as the benchmark, more than the achievements we have made, and constantly surpass ourselves.
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