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Product Information
Customer Reviews

Enterprise Strength

Dms Seals has high-quality leaders and professional technicians to promote corporate development.
Based on the principle of 'customer first', Dms Seals is committed to providing quality and complete service for customers.
Core value: Dedication, gratitude, harmony, and mutual benefit
Business philosophy: Sincerity-based business, scientific management
Enterprise goal: Build a well-known brand and create a first-class enterprise
Since the inception in 2006, Dms Seals has taken continuous improvement, summarization and development. With this solid foundation, we have established an excellent reputation in the market and has become a leader in the industry.
Dms Seals's products are of high added value. They are sold well in the domestic market.

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 produces O-ring Seal in strict accordance with national quality standards. We can guarantee the products are characterized by wear resistance and good obdurability, and long-lasting great performance.Compared with products in the industry, Dms Seals's Oil Seal Manufacturer has the outstanding advantages which are mainly reflected in the following aspects.

Company Advantages
1. rod seals's performance is popularly accepted in the country and abroad. We have developed solutions of the sealing of special working condition
2. The product is of superior quality that sets a new standard in the industry. The R&D teams have the ability to design and develop seals for various of complicated working condition of sealing system
3. DMS Seal Manufacturer is to always offer discounted hydraulic rod seals and professional services at the reasonable price. DMS Seals takes the lead in grasping the development trend of the industry
4. Dms Seals Technology Co.,limited has strong new product development capabilities for O Ring Manufacturers and strong market competitiveness. DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of seals

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

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

32.7

32.3

35.7

4.2

3.2

4.2

GSJ22*32.7*4.2

GSJ25*32.3*3.2

GSJ25*35.7*4.2

26.57*3.53

26.64*2.62

29.74*3.53

38.7

40.7

42.7

4.2

GSJ28*38.7*4.2

GSJ30*40.7*4.2

GSJ32*42.7*4.2

31.34*3.53

34.52*3.53

36.09*3.53

45.7

46.7

53.1

4.2

6.3

GSJ35*45.7*4.2

GSJ36*46.7*4.2

GSJ38*53.1*6.3

37.69*3.53

40.87*3.53

43.82*5.33

50.7

55.1

57.1

4.2

6.3

GSJ40*50.7*4.2

GSJ40*55.1*6.3

GSJ42*57.1*6.3

44.04*3.53

43.82*5.33

46.99*5.33

55.7

60.1

60.7

4.2

6.3

4.2

GSJ45*55.7*4.2

GSJ45*60.1*6.3

GSJ50*60.7*4.2

47.22*3.53

50.17*5.33

53.57*3.53

65.1

70.1

66.7

6.3

4.2

GSJ50*65.1*6.3

GSJ55*70.1*6.3

GSJ56*66.7*4.2

56.52*5.33

59.69*5.33

59.92*3.53

71.1

76.5

75.1

6.3

8.1

6.3

GSJ56*71.1*6.3

GSJ56*76.5*8.1

GSJ60*75.1*6.3

59.69*5.33

62.87*6.99

66.04*5.33

Company Features
1. As a top rod seals supplier, Dms Seals Technology Co.,limited has been making much progress in the market.
2. The application of advanced technology results in hydraulic rod seals prevailing over the industry.
3. Dms Seals Technology Co.,limited is a famous company which strives to be one of the most competitive exporter in O Ring Manufacturers market. Please contact us!

Favorable rate

100%

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