PTFE Spring Energized /Loaded Seals -Ptb

PTFE Spring Energized /Loaded Seals -Ptb

Model: PTD
Temperature: -40/+260℃
Speed: static or slow rotary
Pressure: ≤40MPa

Product Introduction

With quite a few factories, we can easily provide a wide vary of rod seal SPN, Piston Rod Seals, oil ring seal. We continue to follow the business philosophy of 'Quality, Innovation, Service, Responsibility', uphold the value of 'Achieving Customers, Achieving Employees', and work together with you to create greater glories! We will provide you with honest, high quality and efficient service to meet your requirements.

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

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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 are committed to providing customers with reliable PTFE Spring Energized /Loaded Seals -Ptb and efficient technical services. We promise to let each employee of our company do his or her best and give full play to his or her strengths, and let our business partners give full play to their respective advantages in the cooperation and obtain maximum benefits. The company encourages mutual respect, frank dialogue and proper and good communication among employees.

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