hydraulic rod seals ,pneumatic rod seals

Product Comparison

O-ring Seal is in line with the stringent quality standards. The price is more favorable than other products in the industry and the cost performance is relatively high.Compared with other products in the same category, O-ring Seal produced by Dms Seals has the following advantages.

Company Advantages
1. New type of material is used in hydraulic rod seals .
2. Dms Seals Technology Co.,limited only choose the safe material for manufacturing hydraulic rod seals .
3. In Dms Seals Technology Co.,limited, you can have multiple choices for shapes of hydraulic rod seals .
4. hydraulic rod seals produced by Dms Seals Technology Co.,limited are mainly characterized by their pneumatic rod seals .
5. This product is examed on the international standards instead of the national rules.
6. The product captures a large market share with stable performance.
7. The product has exceptional quality for long-time performance.
8. This product meets the evolving application needs of customers.
9. The product can be widely applied to different fields.
10. The product is suitable for a variety of applications and has a great market prospect as it is popular now in the market for great economic benefits.

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. Dms Seals Technology Co.,limited is a high-tech enterprise which engages in hydraulic rod seals for years. Equipped with the most advanced machines, Dms Seals Technology Co.,limited is a professional manufacturer for O Ring Manufacturers . With its comprehensive strengths including pneumatic rod seals and piston rod seal , DMS Seal Manufacturer finally has its position in this rod seals field.
2. We operate in many countries across all five continents. We have accomplished a tremendous amount of transactions over the years. And the customers return to us time after time. Our company has excellent production teams. They master the latest global product trends and new techniques in product manufacture. They are able to make sought-after models. Our team is made up of highly motivated professionals with rich experience. The team is dedicated to working with industry to improve the quality of products.
3. Our vision is to achieve a first-rate brand and become a competitive o-ring seal company. Check it! Dms Seals Technology Co.,limited will do our utmost to meet our customers' sat

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When it comes to comparing with other products, DMS Seals pneumatic rod seals is of greater appearance. It, processed by lubricant technology, features improved bearing performance

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The outline of DMS Seals piston rod seal is original and appealing. It can withstand the combined loads of both radial and thrust

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DMS Seals O Ring Manufacturers is manufactured using the finest raw material, which is procured from some of the most trustworthy and certified vendors in the industry. The product can withstand heavy inertial forces

t******l

The production of DMS Seals piston rod seal conforms to the industry standards. It can show its good mechanical properties even at a high temperature

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The raw material used in DMS Seals O Ring Manufacturers is of high quality and has no any strange smell during use. It can withstand the combined loads of both radial and thrust

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pneumatic rod seals is regarded as one of the most promising hydraulic rod seals with its hydraulic rod seals properties. The especially-designed logo can be printed on the product

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hydraulic rod seals to high and low speed DMS Seal Manufacturer