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DMS Seal Manufacturer polyphenyl ester ekonol phb spring seals for reciprocating piston rod or piston single acting seal

DMS Seal Manufacturer polyphenyl ester ekonol phb spring seals for reciprocating piston rod or piston single acting seal

DMS Seal Manufacturer polyphenyl ester ekonol phb spring seals for reciprocating piston rod or piston single acting seal

Diameter Range
Pressure Range
Temperature Range
-40℃ +260℃
all liquids, chemicals and gases
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Company Advantages
1. DMS Seal Manufacturer oil seal spring is specifically designed to meet the needs of customers, featuring innovation and functionality. As a modern sealing technology company, DMS Seal manufacturer has a wealth of experience
2. Thanks to its easy operation and maintenance during its service life, this product can greatly help reduce operation costs. We can support OEM and ODM
3. The product has obtained many international certifications, which is the strong proof of its high quality and high performance. DMS Seal manufacturer provides good quality and competitive price hydraulic seals
4. It quality is guaranteed by internationally advanced production equipment and technology. DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of seals
5. To ensure durability, our highly skilled QC professionals strictly inspect the products. DMS Seals' production equipment and test equipment are on the leading level in the industry

DMS Seal Manufacturer polyphenyl ester ekonol phb spring seals for reciprocating piston rod or piston single acting seal-1

1. Application and properties

Suitable for reciprocating piston rod or piston single acting seal, the working pressure has a wide range of adaptability, and the pressure capacity can be enhanced by increasing the tail length size or increasing the check ring.

Small friction coefficient, The contact pressure between the mating surface and the mating surface is low, and the friction between the work face and the mating surface is the smallest in all seal types. with or without lubrication can work, wear resistance, long service life.

The working medium of the sealing sleeve has wide adaptability, and the other chemicals are not reacted except soluble alkali metal, high temperature fluorine gas and three fluoride chloride.

The working temperature range is wide, and can be used for -200 ℃ to +250 ℃.

It can be used for very high speed, very low speed, micro-stroke and other special conditions.

Suitable for aviation, military and industrial sealing groove size, The standard installation groove is the same size as the standard O ring, and the size is small. It can be designed as non standard parts to meet the sealing requirements of any size groove. The groove is open or semi open.

It can be used in rotary sealing. It can adapt to large eccentricity and beating.

2. Standard materials

Sealing sleeve: PTFE

Spring: Stainless steel 304, 316

3. Working Conditions

Working  Conditions

Diameter Range

Pressure Range

Temperature Range 



3 - 1600mm

0 - 20MPa

-200 ~ +250

5 m/s

High and low temperature oil and water and other fluids.

Installation Sizes

Back pressure surfaceR1=0.1 ~ 0.2, tank bottom R2=0.3 ~ 0.5, Import lengthC=(0.7 ~ 1.0)L.

Rod Diameter


Groove Width

Groove Diameter

Radial Clearance






2 ~ 10




10 ~ 22




22 ~ 52




48 ~ 150




150 ~ 400




Matters needing attention  

Ⅰ, The installation groove must be open or semi open, and it is recommended to be open.

Ⅱ, If the seal is for the rotating shaft, it is recommended that the surface hardness of the shaft should be no less than HRC40.

Considering the adaptability of the working medium, the adaptability of the jacket and spring should be taken into account.

Ⅳ, It is better to install an anti fouling ring or a antifouling guide ring in the notch direction in front of the seal.



Company Features
1. Over the years, we have been specializing in the design and production of oil seal spring. We have become an expert in the industry.
2. DMS Seal Manufacturer is proud of mastering the spring seals production technology.
3. DMS Seal Manufacturer adheres to the development line of spring energized seals , seizing the opportunities of the times. Inquiry!
The test of DMS Seals spring seals includes several aspects. Such things as working blanks, components and raw materials will all be seriously measured.
DMS Seals spring seals has been evaluated in many aspects. They include electrical safety, sanitation, EMC, energy efficiency, electrical shock&leakage, and more. Manufactured by the ISO9001 and TS16949 certified factory, its quality is guaranteed
The production standards of DMS Seals spring seals ensure that no harmful or toxic chemicals are used throughout the process of making the fiber into a fabric. It helps the engine resist cracks and pinholes
The workmanship of DMS Seals spring seals is of high quality. The product has passed quality inspection and testing in terms of joint connecting quality, crevice, fastness, and flatness that are required to meet a high level in upholstery items. It will not break down with regular use
The design of DMS Seals spring seals follows a unified principle, that is, all the basic elements of the design are harmonious and show a sense of unity. Its design will help simplify mounting operations
There are complete product specifications for spring seals to meet the needs of different users. It can be designed with rubber boo
With its excellent quality, this product greatly reduces the possibility of return and exchange.
The product has undergone rigorous testing during the trial production phase. It is easy to replace thanks to the O.E. exact fit design
With spring seals features and key characteristics, spring energized seals can well suit customer's application requirements. It can be designed to be Wet Coils, Compact Coils, Pencil Coils, etc
The quality of the product meets the requirements of domestic and international standards. It helps the engine resist cracks and pinholes
We take steps to improve the quality of the product as much as possible. It can be designed to be Wet Coils, Compact Coils, Pencil Coils, etc
The application of this product is marrying the buildings to “sustainability”. One won’t be using up new resources when they purchase this product. It facilitates the smooth running of the engine
The product meets the sustainable development requirements. It can help users reduce carbon footprint and save them on electricity bills. It is easy to replace thanks to the O.E. exact fit design
This product will definitely generate a higher sale. It will aid a company to develop a professional image of their merchandise and boost sales. It can be used on go-kart crutches, caps, ATV axles, and electric winches
This product offers easier differentiation and recognition of the goods. Thus it is worth investing in, making the brand stand out from the competition. It works very well with both new and old models
The product allows for increased production and profit margin. Because it makes fewer mistakes than humans, saving companies' time. It can be used under any extreme conditions
With high operational accuracy, the product is not likely to occur errors, which eventually beneficial to reduce production costs. This product comes with many safety certifications
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