Mechanical Seal EV Mechanical Seal Suitable for Dry Running

Mechanical Seal EV Mechanical Seal Suitable for Dry Running

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

Product Introduction

We do everything from a high starting point, high standards and strict requirements, aiming at and keeping up with the development of the Rubber PTFE O Ring, double lip seals, PTFE oil seal industry, pursuing excellent quality and surpassing competitors. Our product system has excellent performance, flexibility and reliability, and is cost-competitive. Forging excellent quality in continuous efforts, we hope to meet customer needs to the greatest extent.

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 will uphold our company's culture: integrity, efficiency and accuracy and provide you with high-quality Mechanical Seal EV Mechanical Seal Suitable for Dry Running and satisfactory service guarantee for your success. Our company has a strong ability of technological innovation, has a good platform for technological development, and has achieved good results in product quality and circular economy development. Thanks to the strong support of people from all walks of life, the company's performance has been booming since its establishment, and it has won a good reputation and reputation among domestic and foreign counterparts.

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