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ptfe spring seals supplier for reciprocating piston rod or piston single acting seal

Ptfe spring seals supplier 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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Product Comparison
Dms Seals's Oil Seal Manufacturer is manufactured in strict accordance with relevant national standards. Every detail matters in the production. Strict cost control promotes the production of high-quality and priced-low product. Such a product is up to customers' needs for a highly cost-effective product.Dms Seals's Oil Seal Manufacturer has more advantages over similar products in terms of technology and quality.
Product Details
Dms Seals's O-ring Seal has excellent performances by virtue of the following excellent details.O-ring Seal is a truly cost-effective product. It is processed in strict accordance with relevant industry standards and is up to the national quality control standards. The quality is guaranteed and the price is really favorable.
Company Advantages
1. The safety of DMS Seal Manufacturer spring loaded seal will be guaranteed by a series of standards. It is strictly in line with IEC international safety standards, electrical devices compatible standards, and electric leak-proof standards.
2. The design of DMS Seal Manufacturer spring loaded seal is intricate. It is based on building structural systems along with other factors like climate and aesthetical preferences.
3. DMS Seal Manufacturer spring loaded seal is required to pass the international electrical safety test. It will be sent to the third-party testing organization for testing in terms of electrical load capacity, the safety of power source, as well as the whole electrical integrated system.
4. This kind of product adopts advanced technology and a new type of material with the function of abrasion resistance and strong impact resistance.
5. This product is safe to use. With its built-in protective systems, including overload and overvoltage protective devices, it generates no danger.
6. The product does not generate noise. It is designed with an anti-noise system which can make the noise lower than the noise standards prescribed by the state.
7. With so many advantages, the product has a very good prospect in future market applications.
8. After years of improvement, the product has received more and more attention at home and abroad and has great commercial value.
9. The product has a wide application value and commercial value.
10. This product has received more market attention and has considerable prospects for future applications.

ptfe spring seals supplier 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. Dms Seals Technology Co.,limited has always been known for manufacturing spring seals . We have a long history of providing the highest value to our customers. Dms Seals Technology Co.,limited is a China's professional manufacturer and supplier of spring loaded seal with a significant presence locally and internationally. Dms Seals Technology Co.,limited is an international, China-based spring energized seals manufacturing company with a strong production foundation and marketing experience. Over the years, Dms Seals Technology Co.,limited has been concentrating on the research & development, design, and production of spring energized seals .
2. We are not the only one company to produce oil seal manufacturer, but we are the best one in term of quality. We have excellent manufacturing and innovation capabilities guaranteed by international advanced spring seals equipment. Our technology takes the lead in the industry of spring seals . Our quality is our company name card in spring seals industry, so we will do it best. Dms Seals Technology Co.,limited owns a professional team of technicians to keep improving our spring seals .
3. We enforce the standards in our Supplier Code of Conduct with our manufacturing suppliers and review environmental practices during audits of such suppliers. In the future, we will cultivate our own brands and innovate value-added products and service to boost global competitiveness. Get price! Dms Seals Technology Co.,limited will improve the customer service system to offer the best service.

ptfe spring seals supplier for reciprocating piston rod or piston single acting seal

spring seals


ptfe spring seals supplier for reciprocating piston rod or piston single acting seal-2

DMS Seals spring energized seals is of scientific design. It is designed by adopting the principles of foot structure and the relationship between its and the person, the thing, the environment, and the dress. Supported by the lead-acid battery, it has a high discharge rate while maintaining high energy capacity
DMS Seals oil seal manufacturer adopts the powerless flexible liquid crystal technology, which causes the local liquid crystal to be twisted by the pressure of the pen tip. Supported by the lead-acid battery, it has a high discharge rate while maintaining high energy capacity
The manufacturing of DMS Seals spring energized seals basically involves processes of plasticizing, mixing, calendering or extrusion, forming, punching, cutting and vulcanizing. The product is characterized by thermal performance
From the preliminary design stage of DMS Seals spring seals to the finished product stage, a complete set of the inspection and auditing system is carried out to meet the industry standard for crafts products. It is very easy to use
DMS Seals spring energized seals is manufactured by means of both machines and manual labor. Especially some detailed and sophisticated parts or workmanship, are manually finished by our professional workers who have years of experience in handmade crafts. It is packed with high-quality and sturdy packages
The products have passed the overall quality inspection before they leave the factory. It is very easy to use
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