
PTFE Hydraulic Shaft Stainless Steel Spring Energized Seal
Model: PTU
Temperature: -40/+260℃
Speed: ≤15m/s
Pressure: ≤45MPa
Product Introduction
We pursue the stability and reliability of vee packing hydraulic seals, aq piston seal, double lip seals, the perfection of product performance, the continuous improvement of product cost performance, and the avoidance of market competition with low quality and low price. We attach great importance to the shaping and development of corporate culture, and actively carry out the construction of corporate culture. We always pay attention to the needs and development of people, adhere to the concept of people-oriented management, and fully mobilize the enthusiasm, initiative and creativity of talents. We solemnly promise that we will continue to forge ahead and return the support and attention of domestic and foreign customers to our company with professional products and services. We have gathered a group of excellent scientific research, production and management talents representing the leading level of the industry, and created a team with high efficiency and rigor.
Description
This Symmetric Spring Energized Seal is a bore and shaft seal ring with two functions. The seal ring is constructed of ultra-high molecular weight polyethylene and the spring is stainless steel. It has a high level of wear resistance. This seal is solely intended for static applications. When compared to a single spring seal, the large spring load offers improved scalability. Additionally, this Symmetric Spring Energized Seal is designed exclusively for cryogenic applications. The piston, rod, and face seal configurations are all available. It was not created with a single industry or application in mind. Its chemical and physical qualities make it an effective problem solver in a variety of scenarios.
Specification
Jacket Material | UHPE, PTFE Filled Bronze, Carbon, MoS2, Graphite, Glass Fiber, Ekonol, Polyimide, etc. |
Jacket Color | Black, Green, Coffee, Yellow, etc. |
Spring Type | V spring, Helical spring, Slant coil spring |
Spring Material | SS304, SS301,etc. |
Speed | ≤15m/s |
Temperature | -40 to 260℃ |
Pressure | ≤45MPa |
Medium | Virtually all fluids chemicals and gases. |
Application | Jet engines, hydraulic cylinders, Robotics, Steering Cylinders, Valves, etc. |
Standard or can fit the groove | Military-Industrial AS4716 |
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 | H | X | R1≤ | C≥ |
3~8 | d+2.9 | 2.4 | 2.2 | 0.4 | 0.2 | 4 |
10~18 | d+4.5 | 3.6 | 3.2 | 0.6 | 0.2 | 5 |
20~36 | d+6.2 | 4.8 | 4.3 | 0.7 | 0.4 | 5 |
40~115 | d+9.4 | 7.1 | 6.8 | 0.8 | 0.4 | 7.5 |
120~400 | d+12.2 | 9.5 | 9.2 | 0.9 | 0.4 | 12 |
Features
These Symmetric Spring Energized Seals has the following features:
● A wide range of high-performance sealing materials
● Excellent performance
● Long service life
● Simple installation and stable dimension
● High temperature, pressure, and corrosion resistance


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 steadily manufacture and provide integrated after-sales service, and hope to make PTFE Hydraulic Shaft Stainless Steel Spring Energized Seal suitable for customers through our professional level and unremitting efforts. After continuous reform, our company now has advanced science and technology, a unique talent mechanism, and a sound quality assurance system. The competition among enterprises has changed from focusing on quality, technology, scale and capital in the past to improving service quality, enhancing the core competitiveness of enterprises and cultivating consumer brand loyalty.
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