hydraulic cylinder piston seals | Others

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Product Information
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Company Advantages
1. The manufacture of DMS Seal Manufacturer piston o ring involves some critical processes. These stages include concept confirmation, metal materials procurement, frame fabrication, components machining, surface painting, and final assembly. DMS Seals manufacturer owns a team of professional R&D group and skilled technicians
2. Doctors have recommended this product because of proven relief from sports injury, chronic fatigue syndrome, fibromyalgia, arthritis, and other chronic pain conditions. The high pressure seals have strong wear resistance to hard conditions
3. The product is promised with high quality and long service life. We have developed solutions of the sealing of special working condition
4. Good properties of piston o ring are main advantages for hydraulic oil seal . Seal we produced has applications in a wide range of fields
5. The product is extensively appreciated by our clients for features like superior performance, longer service life, and so on. The R&D teams have the ability to design and develop seals for various of complicated working condition of sealing system

1. Installation Recommendation

2. Installation Sizes

Rod Diameter d_N h9			Groove Diameter	Groove Width	Radius	Radial Clearance S max.			O-Ring Cross-Section
Standard Application	Light Application	Heavy Duty Application	D₁ H9	L₁+0.2	R₁	10MPa	20MPa	40MPa	d₂
3-7.9	8-18.9	-	d_N+4.9	2.2	0.4	0.3	0.20	0.15	1.78
8-18.9	19-37.9	-	d_N+7.3	3.2	0.6	0.4	0.25	0.15	2.62
19-37.9	38-199.9	8-18.9	d_N+10.7	4.2	1.0	0.4	0.25	0.20	3.53
38-199.9	200-255.9	19-37.9	d_N+15.1	6.3	1.3	0.5	0.30	0.20	5.33
200-255.9	256-649.9	38-199.9	d_N+20.5	8.1	1.8	0.6	0.35	0.25	7.00
256-649.9	650-999.9	200-255.9	d_N+24.0	8.1	1.8	0.6	0.35	0.25	7.00
650-999.9	≥1000.0	256-649.9	d_N+27.3	9.5	2.5	0.7	0.50	0.30	8.40
≥1000.0	-	650-999.9	d_N+38.0	13.8	3.0	1.0	0.70	0.60	12.00

3. Application and properties

Applicable to high and low speed reciprocating motion and high pressure system cylinder rod sealing. Good dimensional stability, not affected by temperature, low friction, strong corrosion resistance, could work in the situation with or without lubrication, easy installation.

Meet the standards of GB/T 15242.1-94 and GB/T 15242.3-94.

4. Standard materials

Sealing ring: filled PTFE

O-Ring: NBR / FKM

5. Working Conditions

Working Conditions
Diameter Range	Pressure Range	Temperature Range	Speed	Medium
3 - 1600mm	0 - 60MPa	-45℃ +200℃	15 m/s	hydraulic oil, flame retardant liquid, water, gas

6. Installation Dimensions

Rod Dia.

Groove Dia.

Groove Width

Order No.

O-Ring Dimensions

d_N h9

D₁ H9

L₁+0.2

8.9

9.9

10.9

2.2

GSJ4*8.9*2.2

GSJ5*9.9*2.2

GSJ6*10.9*2.2

5.28*1.78

6.75*1.78

7.65*1.78

12.9

15.3

14.9

2.2

3.2

2.2

GSJ8*12.9*2.2

GSJ8*15.3*3.2

GSJ10*14.9*2.2

9.25*1.78

10.77*2.62

11.8*1.78

17.3

16.9

19.3

3.2

2.2

3.2

GSJ10*17.3*3.2

GSJ12*16.9*2.2

GSJ12*19.3*3.2

12.37*2.62

13.3*1.78

13.94*2.62

18.9

21.3

19.9

2.2

3.2

2.2

GSJ14*18.9*2.2

GSJ14*21.3*3.2

GSJ15*19.9*2.2

15.6*1.78

15.54*2.62

16.67*1.78

22.3

20.9

23.3

3.2

2.2

3.2

GSJ15*22.3*3.2

GSJ16*20.9*2.2

GSJ16*23.3*3.2

17.12*2.62

17.17*1.78

18.72*2.62

22.9

25.3

29.7

2.2

3.2

4.2

GSJ18*22.9*2.2

GSJ18*25.3*3.2

GSJ19*29.7*4.2

18.77*1.78

20.29*2.62

23.39*3.53

27.3

30.7

29.3

3.2

4.2

3.2

GSJ20*27.3*3.2

GSJ20*30.7*4.2

GSJ22*29.3*3.2

21.89*2.62

23.39*3.53

23.47*2.62

Company Features
1. As the manufacturer of piston o ring , Dms Seals Technology Co.,limited is very professional. Each part of hydraulic cylinder piston seals will be checked by our professional QC department.
2. Dms Seals Technology Co.,limited has strong technical force and excellent equipment technology.
3. The professional excellent talents unite a powerful and creative team of design, research and development for Dms Seals Technology Co.,limited. In the future, Dms Seals Technology Co.,limited will focus on the innovative development of piston seals . Get price!

b******v

When it comes to comparing with other products, DMS Seals piston o ring is of greater appearance. With a compact radial structure, it has a strong bearing capacity

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The outline of DMS Seals hydraulic oil seal is original and appealing. It, processed by lubricant technology, features improved bearing performance

j******s

DMS Seals piston seals is manufactured using the finest raw material, which is procured from some of the most trustworthy and certified vendors in the industry. It has low torque capacity when starting and running

x******z

The production of DMS Seals hydraulic oil seal conforms to the industry standards. Adopting ultra-clean steel, the product has obtained an extended bearing life

y******h

The raw material used in DMS Seals hydraulic cylinder piston seals is of high quality and has no any strange smell during use. The product has the advantage of wear resistance

l******n

hydraulic cylinder piston seals is regarded as one of the most promising piston o ring with its piston o ring properties. It offers a smooth linear motion with high precision

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40% Bronze Filled PTFE Hydraulic Rod Seal