GSI - PTFE Hydraulic Rod Seal with NBR/FKM O-Ring

Product Information
Customer Reviews

Enterprise Strength

Dms Seals has a large number of talents with rich experience in management, technology, production, and marketing, which lays a solid foundation for production and sales.
Dms Seals is able to provide customers with high-quality products and professional services in time, depending on the complete service system.
Seeing into the future, Dms Seals will always insist on the core value, to be passionate, dedicated, determined, and progressing. By complying with the corporate tenet, we intend to be practical and innovative and make a contribution to a better society. It is our goal to sincerely provide high-quality products and services for numerous customers.
After years of steady development, Dms Seals accumulates rich experience in R&D and production. Moreover, we are familiar with the latest needs of domestic and foreign markets, and can meet the needs of customers.
O-ring Seal's export volume increases greatly thanks to the optimization of the export environment. The products are mainly sold to some countries and regions in Southeast Asia, South America, and Africa.

Application Scope

Dms Seals's Oil Seal Manufacturer has wide application. Here are a few examples for you.Dms Seals always pays attention to customers. According customers' actual needs, we could customize comprehensive and professional solutions for them.Dms Seals has advanced production and testing equipment, rich manufacturing experience and strong technical force. All this provides a strong guarantee for high quality of O-ring Seal.

Company Advantages
1. This kind of rod seal catalogue is practical and economical for the well operation of rod seals . As a modern sealing technology company, DMS Seal manufacturer has a wealth of experience
2. In order to ensure its durability, the extra add quality testing is added to the production. DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of seals
3. Advanced machines in DMS Seal Manufacturer allows us to produce mass production. DMS Seals provides professional design and production of high-grade o-ring seals

1. Installation Recommendation

2. Installation Sizes

Rod Diameter dN 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	-	dN+4.9	2.2	0.4	0.3	0.20	0.15	1.78
8-18.9	19-37.9	-	dN+7.3	3.2	0.6	0.4	0.25	0.15	2.62
19-37.9	38-199.9	8-18.9	dN+10.7	4.2	1.0	0.4	0.25	0.20	3.53
38-199.9	200-255.9	19-37.9	dN+15.1	6.3	1.3	0.5	0.30	0.20	5.33
200-225.9	256-649.9	38-199.9	dN+20.5	8.1	1.8	0.6	0.35	0.25	7.00
256-649.9	650-999.9	200-255.9	dN+24.0	8.1	1.8	0.6	0.35	0.25	7.00
650-999.9	≥1000.0	256-649.9	dN+27.3	9.5	2.5	0.7	0.50	0.30	8.40
≥1000.0	-	650-999.9	dN+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 environment, a wide range of fluids and high temperature condition. Suitable for larger gap of piston rod. Low friction, simple groove, be able to work in themedium with oil spots.

Meet the standard of GB/T 15242.3.

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

GSI20*27.3*3.2

GSI20*30.7*4.2

GSI22*29.3*3.2

21.89*2.62

25.0*3.53

25.07*2.62

32.7

31.3

32.3

4.2

3.2

GSI22*32.7*4.2

GSI24*31.3*3.2

GSI25*32.3*3.2

26.57*3.53

26.64*2.62

28.24*2.62

35.7

36.7

35.3

4.2

3.2

GSI25*35.7*4.2

GSI26*36.7*4.2

GSI28*35.3*3.2

29.74*3.53

29.82*2.62

38.7

37.3

40.7

4.2

3.2

4.2

GSI28*38.7*4.2

GSI30*37.3*3.2

GSI30*40.7*4.2

32.92*3.53

32.99*2.62

34.52*3.53

39.3

42.7

42.3

3.2

4.2

3.2

GSI32*39.3*3.2

GSI32*42.7*4.2

GSI35*42.3*3.2

34.59*2.62

36.09*3.53

37.77*2.62

45.7

43.3

46.7

4.2

3.2

4.2

GSI35*45.7*4.2

GSI36*43.3*3.2

GSI36*46.7*4.2

37.69*3.53

39.34*2.62

40.87*3.53

48.7

53.1

50.7

4.2

6.3

4.2

GSI38*48.7*4.2

GSI38*53.1*6.3

GSI40*50.7*4.2

40.87*3.53

43.82*5.33

44.04*3.53

Company Features
1. Dms Seals Technology Co.,limited is one of the world's leading small rod seals producers.
2. The establishment of rod seal catalogue team ensures efficiently the quality of hydraulic rod seals .
3. Every employee is making Dms Seals Technology Co.,limited a strong competitor on the industry. Contact us!

Favorable rate

100%

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