
Domestic Best-Selling High - Temperature Hydraulic Skeleton Oil Seal
Model: PTD
Temperature: -40/+260℃
Speed: static or slow rotary
Pressure: ≤40MPa
Product Introduction
Our ptfe back up rings, nitrile o ring, chevron v packing has high price advantages under the premise of high technology and superior performance, and it has won good praise from customers after it was launched on the market. We emphasize our responsibility to our customers, partners and society, as well as our employees' responsibility for career development. We will start a new journey with our tireless innovation spirit. We actively and responsibly engage in dialogue with all our corporate stakeholders to build strong relationships of trust. The company insists on focusing on total quality management, and strives to raise the quality management and product quality to a new level.
Description
External Pressure Face Spring Energized Seals are commonly used in static sealing applications. External face seals are typically used to remove environmental media from exposed joints, hinge points, or fittings. Designed for high pressure and high temperature, low-temperature fluids, extreme media, and other applications that exceed the performance characteristics of O-rings and traditional elastic seals. Face Seals are designed for either internal or external pressure, but not both.
For this external pressure design, the open sealed cavity faces outward. Generally, the gland design of the face seal is the same as the O-ring. When designing the seal gland, the typical extrusion gap is 0, but it can be as high as 0.003” without affecting the performance of the seal. This External Pressure Face Spring Energized Seal is equipped with a V-shaped spring as standard.
Specification
Jacket Material | UHPE, PTFE Filled Bronze, Carbon, MoS2, Graphite, Glass Fiber, Ekonol, Polyimide, etc. |
Jacket Color | Black, Green, Coffee, Yellow, etc. |
Spring Material | SS304, SS301,etc. |
Speed | static or slow rotary |
Pressure | ≤40MPa |
Medium | Virtually all fluids chemicals and gases. |
Standard or can fit the groove | Comply with the standard of the Trelleborg-DVE series |

Installation Dimension table based on Metric Size (mm)
An h9 | G +0.25 | Groove depth | R≤ | ||
Recommended range | Extended range | L | Tolerance | ||
3~9.9 | 3~40 | 2.4 | 1.45 | +0.03 | 0.4 |
10~19.9 | 8~200 | 3.6 | 2.25 | +0.05 | 0.4 |
20~39.9 | 12~400 | 4.8 | 3.1 | +0.08 | 0.6 |
40~119.9 | 20~700 | 7.1 | 4.7 | +0.10 | 0.8 |
120~999.9 | 35~1000 | 9.5 | 6.1 | +0.15 | 0.8 |
Features
This External Pressure Face Spring Energized Seal has the following features:
● Lower wear, low friction.
● Even after extended downtimes, breakaway forces are extremely modest.
● Even at modest sliding speeds, there is no stick-slip.
● There are three types of spring for you to choose from, including a V spring, helical spring, and slant coil spring.
● It can tolerate temperatures of -40°C to 260°C.


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


We aim at the achievement of a richer mind and body as well as the living for Domestic Best-Selling High - Temperature Hydraulic Skeleton Oil Seal. We insist on sound management and grasp all opportunities to develop and expand our industry. Till now, the merchandise list has been updated on a regular basis and attracted customers from around the globe.
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