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Application Scope

With wide application, O-ring Seal can be used in the following aspects.Dms Seals is dedicated to solving your problems and providing you with one-stop and comprehensive solutions.

Company Advantages
1. The quality of DMS Seals is comprehensively tested by the QC department of our company, which conforms to the provisions and requirements of China textile industry federation.
2. DMS Seals has ensured quality. It has been evaluated for raw materials and processes through a series of quality management inspection tests such as color shading and wash color fastness (friction test).
3. DMS Seals has ensured quality. Strict inspections are carried out after the production to eliminate any potential quality problems.
4. DMS Seals is manufactured in accordance with safety standards. Testing of fabric selection, construction and accessories ensures its safety.
5. DMS Seals must pass the following physical and mechanical tests. They include antibacterial test, color fastness test, suture reinforcement strength test, odor test, and dimensional fit test.
6. The product is resistant to acid and alkali. It is not prone to fade even washed in water with chemical cleaning soap.
7. This product is not easy to accumulate odors. The coating on the surface helps inhibit bacterial growth on the foot and keep odors at bay.
8. This product has good strength. Various types of load and stresses caused by the load are analyzed for choosing the best structure and materials for its strength.
9. The offered product is widely known and accepted by numerous customers in the industry.
10. The product is deeply relied by customers for these features.
11. Owing to the years of production experience, the product is guaranteed to be of superior quality.
12. The offered product is used in various industrial applications.

1. Installation Recommendation

2. Application and properties

DBM/TPM is a double acting sealing and guiding element, Consisting of an elastomer, two back-up rings and two guide rings. Dynamic and static properties of the elastomer play a good sealing role, The back-up ring prevents the elastomer from being squeezed into the sealing gap, the function of the guide ring is to guide the piston in the cylinder and absorb the radial force. The sealing is mainly used for piston and hydraulic cylinder, such as bulldozers, excavators, loaders, hydraulic gates and agricultural machinery.

3. Standard materials

Guide ring: filled PTFE / PA

Back-up ring: TPU polymer

Elastomer: NBR

4. Working Conditions

Diameter Range	Pressure Range	Temperature Range	Speed	Medium
3-1600mm	0-35MPa	-30℃+120℃	0.5 m/s	petroleum base hydraulic oil，nonflammable hydraulic oil, environmental protection hydraulic oil

5. Installation Dimensions

Cylinder Dia.

Groove Size

Order No.

D_NH9

L1 +0.2

d₂h9

d₃h11

L2 +0.1

13.5

2.1

TPM20*11*13.5*2.1

TPM22*13*13.5*2.1

TPM25*15*12*4

12.5

16.4

13.5

21.45

23.5

6.35

2.1

TPM25*15*12.5*4

TPM25*15*16.4*6.35

TPM25*16*13.5*2.1

13.5

15.4

13.5

26.5

28.5

2.1

6.35

2.1

TPM28*19*13.5*2.1

TPM30*17*15.4*6.35

TPM30*21*13.5*2.1

15.5

16.4

15.5

28.5

30.5

2.6

6.35

2.6

TPM32*22*15.5*2.6

TPM32*22*16.4*6.35

TPM35*25*15.5*2.6

16.4

18.4

15.5

31.4

35.4

33.5

38.5

6.35

2.6

TPM35*25*16.4*6.35

TPM40*24*18.4*6.35

TPM40*26*15.5*2.6

12.5

16.4

35.4

38.5

6.35

TPM40*30*12.5*4

TPM40*30*16.4*6.35

15.5

18.4

15.5

40.4

43.5

2.6

6.35

2.6

TPM42*28*15.5*2.6

TPM45*29*18.4*6.35

TPM45*31*15.5*2.6

16.4

18.4

20.5

40.4

45.4

43.5

48.5

6.35

3.1

TPM45*35*16.4*6.35

TPM50*34*18.4*6.35

TPM50*34*20.5*3.1

18.4

20.5

50.36

53.5

6.35

3.1

TPM55*39*18.4*6.35

TPM55*39*20.5*3.1

TPM56*40*20.5*3.1

18.4

20.5

18.4

55.4

58.4

58.5

61.5

6.35

3.1

6.35

TPM60*44*18.4*6.35

TPM60*44*20.5*3.1

TPM63*47*18.4*6.35

19.4

20.5

58.4

61.5

6.35

3.1

TPM63*47*19.4*6.35

TPM63*47*20.5*3.1

TPM65*49*20.5*3.1

18.4

22.4

20.5

60.4

64.2

63.5

68.3

6.35

3.1

TPM65*50*18.4*6.35

TPM70*50*22.4*6.35

TPM70*54*20.5*3.1

Company Features
1. Dms Seals Technology Co.,limited is a famous company both in China and the International market. We have a strong production foundation and marketing experience in manufacturing hydraulic seals distributors . Dms Seals Technology Co.,limited dedicates to the design and production of . We are a manufacturer with abundant experience and innovative designs. With years of rich experience in manufacturing wholesale oil seals , Dms Seals Technology Co.,limited has become one of the most competitive manufacturers and suppliers. Today, Dms Seals Technology Co.,limited is a reliable Chinese manufacturer, offering quality manufacturing service of consistently with precision, pace, and passion. Dms Seals Technology Co.,limited has earned a good reputation for designing and manufacturing of in China. We have been regarded as a competitive manufacturer.
2. Our excellent technician will always here to provide help or explanation for any problem happened to our rod seal tool . we have successfully developed a variety of spareage piston seals series. At present, most of the seals for hydraulic pumps series produced by us are original products in China.
3. Making the company that a world piston u seal supplier is the lifelong pursuit of each DMS Seals Individual. Contact us! Dms Seals Technology Co.,limited will continue to perform technological innovation and product creation. Contact us! Dms Seals Technology Co.,limited always inspires us to safeguard and build our reputation . Contact us! Our ultimate goal is to be one of the leading rod seal installation suppliers in the global market. Contact us!

DMS Seals hydraulic seals distributors Supply for pneumatic equipment

hydraulic seals distributors

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DMS Seals hydraulic seals distributors Supply for pneumatic equipment-2

u******z

When it comes to comparing with other products, DMS Seals rod seal tool is of greater appearance. Dezheng's paper products meet the stringent environment standards - FSC CoC

j******f

The outline of DMS Seals rod seal installation is original and appealing. Dezheng has strong production capacity, reaching an annual output of RMB 140 million

r******x

DMS Seals wholesale oil seals is manufactured using the finest raw material, which is procured from some of the most trustworthy and certified vendors in the industry.

c******g

The production of DMS Seals hydraulic seals distributors conforms to the industry standards. Dezheng owns advanced professional German-and Japan-imported production equipment

k******g

The raw material used in DMS Seals piston u seal is of high quality and has no any strange smell during use. Dezheng can refund the sample fee if the order meets the MOQ requirement

p******r

spareage piston seals is regarded as one of the most promising rod seal tool with its rod seal tool properties. Dezheng offers professional and cost-effective custom printing service

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