GSJ - Bronze PTFE Hydraulic Rod Seal Step Seal with NBR/FKM O-Ring

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Enterprise Strength

Dms Seals has a professional customer service team. We are able to provide one-to-one service for customers and solve their problems efficiently.

Product Comparison

Dms Seals is certified by various qualifications. We have advanced production technology and great production capability. O-ring Seal has many advantages such as reasonable structure, excellent performance, good quality, and affordable price.Compared with other products in the industry, O-ring Seal has more obvious advantages which are reflected in the following aspects.

Company Advantages
1. DMS Seal Manufacturer pneumatic rod seals is produced meeting the international standards for electric appliances. It has been sent to the testing organization for quality testing, and it has passed the RoHS, SAA, CB, CCC and ENEC certification.
2. The creation of DMS Seal Manufacturer pneumatic rod seals is in line with international electrical safety standards. It meets the requirements of IEC, EMC, CE marking, etc.
3. The quality inspection of DMS Seal Manufacturer rod seals resorts to different methods. It will be checked for the electric performance by virtue of direct observing, current and voltage measuring, element replacing methods, etc.
4. The product is of high quality. Because it has been tested for several times and its superior quality and can withstand the test of the time.
5. The product has passed through the extremely harsh quality control and inspection on a basis of quality control plan. This plan is strictly carried out to ensure the high quality of the product.
6. This product has high performance and stable quality.
7. Strict testing: the product undergoes extremely strict testing more than once to achieve its superiority over other products. The testing is conducted by our rigorous testing personnel.
8. The product has received many international certifications, which is a strong proof of its high quality and high performance.
9. The popularity of rod seals also can contribute to its strict quality assurance.
10. Dms Seals Technology Co.,limited's quality and service is something of great value.
11. Dms Seals Technology Co.,limited has opened up overseas markets, and maintains a steady annual growth rate of exports.
12. Mature sales network will not only contribute to the sales of rod seals but also help DMS Seal Manufacturer develop more partners.
13. Dms Seals Technology Co.,limited provides a range of useful services for its customers.

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. These years, Dms Seals Technology Co.,limited has achieved fast business developme

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rod seals is endowed with the hydraulic rod seals beauty. Adopting the hydraulic system, it needs little maintenance

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Adherence to design principle of hydraulic rod seals makes possible the use of pneumatic rod seals more hydraulic rod seals. It adopts pneumatic cylinder structure to avoid machine shaking caused by weight

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Taking O Ring Manufacturers as its background, hydraulic rod seals is characterized by O Ring Manufacturers. The high-quality seals in the hydraulic system offer excellent sealing performance

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The series of o-ring seal are rod seals, will bring the best result of [拓展关键词特点] for you. It adopts pneumatic cylinder structure to avoid machine shaking caused by weight

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It comes with a wide range of electric motor powers The body frame of o-ring seal can be o-ring seal.

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This product has reliable physical characteristics. It is rust, corrosion, and deformation resistant, and all these features owe to its superior metal materials. All its welded points are inspected by ultrasonic to ensure no leakage

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DMS Seal Manufacturer bronze pneumatic rod seals to high and low speed