Company Advantages1. The design of DMS Seals hydraulic cylinder piston seals is reasonable and scientific. The function of washing, chopping, cooking and storing are integrated into this product perfectly.
2. DMS Seals must go through workmanship assessments. It will be assessed with regard to stitching looseness, seam strength, and color consistency.
3. Specific tests have been conducted on DMS Seals . These tests include tensile and tear strength testing, abrasion resistance testing, dimensional stability testing, stain resistance testing, etc.
4. DMS Seals hydraulic cylinder piston seals is designed with consideration of all possible mechanisms. These mechanisms are aimed at helping the desired motion or the group of motions in this product.
5. The quality of products has been recognized by international authoritative testing institutions.
6. The quality of this product has been highly evaluated by authoritative testing organizations based on a strict performance test and quality test.
7. The quality of the product stays in line with current regulation and standard.
8. This product is widely available in the global market and is likely to be used more in the future.
9. Some customers said they chose this product mainly for the purpose of conspicuously and unconsciously make their brand known to the public and attract potential customers.
10. The product can balance how long it'll power devices on a single charge with how well it copes with being used repeatedly.
11. Many customers come in my gift shop and buy it as birthdays, Christmas, Easter or even Mother's day gift for family or friends.
12. Customers can be assured that the product contains no toxic or harmful elements or substances which may do harm to their health.
1. Installation Recommendation

2. Installation Sizes
Bore 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 |
8-14.9 | 15-39.9 | - | DN-4.9 | 2.2 | 0.4 | 0.3 | 0.20 | 0.15 | 1.78 |
15-39.9 | 40-79.9 | - | DN-7.5 | 3.2 | 0.6 | 0.4 | 0.25 | 0.15 | 2.62 |
40-79.9 | 80-132.9 | 15-39.9 | DN-11.0 | 4.2 | 1.0 | 0.4 | 0.25 | 0.20 | 3.53 |
80-132.9 | 133-329.9 | 40-79.9 | DN-15.5 | 6.3 | 1.3 | 0.5 | 0.30 | 0.20 | 5.33 |
133-329.9 | 330-699.9 | 80-132.9 | DN-21.0 | 8.1 | 1.8 | 0.6 | 0.35 | 0.25 | 7.00 |
330-669.9 | 670-99.9 | 133-329.9 | DN-24.5 | 8.1 | 1.8 | 0.6 | 0.35 | 0.25 | 7.00 |
670-999.9 | ≥1000 | 330-669.9 | DN-28.0 | 9.5 | 2.5 | 0.7 | 0.50 | 0.30 | 8.40 |
≥1000 | ≥1000 | ≥1000 | DN-38.0 | 13.8 | 3.0 | 1.0 | 0.70 | 0.60 | 12.00 |
3. Application and properties
Standard double acting seal. Suitable for reciprocating motion, allowing larger extrusion clearances, has wide application. Dynamic and static sealing property are excellent, be able to work in dusty condition. Low friction, simple groove, strong adaptability to work conditions.
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 and others |
6. Installation Dimensions
Bore Dia. | Groove Dia. | Groove Width | Order No. | O-Ring Dimensions |
DN H9 | d1 h9 | L1+0.2 |
8 10 12 | 3.1 5.1 7.1 | 2.2 2.2 2.2 | GSF8*3.1*2.2 GSF10*5.1*2.2 GSF12*7.1*2.2 | 2.90*1.78 4.80*1.8 6.70*1.8 |
14 15 15 | 9.1 10.1 7.5 | 2.2 2.2 3.2 | GSF14*9.1*2.2 GSF15*10.1*2.2 GSF15*7.5*3.2 | 8.75*1.8 7.59*2.62 8.75*1.8 |
16 16 18 | 11.1 8.5 13.1 | 2.2 3.2 2.2 | GSF16*11.1*2.2 GSF16*8.5*3.2 GSF18*13.1*2.2 | 10.82*1.78 7.59*2.62 12.42*1.78 |
18 20 20 | 10.5 15.1 12.5 | 3.2 2.2 3.2 | GSF18*10.5*3.2 GSF20*15.1*2.2 GSF20*12.5*3.2 | 9.19*2.62 14.00*1.78 12.37*2.62 |
24 24 25 | 19.1 16.5 17.5 | 2.2 3.2 3.2 | GSF24*19.1*2.2 GSF24*16.5*3.2 GSF25*17.5*3.2 | 18.77*1.78 15.54*2.62 17.12*2.62 |
25 28 28 | 14 20.5 17 | 4.2 3.2 4.2 | GSF25*14*4.2 GSF28*20.5*3.2 GSF28*17*4.2 | 13.87*3.53 20.29*2.62 15.47*3.53 |
30 30 32 | 22.5 19 24.5 | 3.2 4.2 3.2 | GSF30*22.5*3.2 GSF30*19*4.2 GSF32*24.5*3.2 | 21.89*2.62 26.70*1.78 23.47*2.62 |
Company Features1. DMS Seals, being an industry leader in hydraulic cylinder piston seals pays attention to the passion, and an understanding of customers. Dms Seals Technology Co.,limited has been stable in the wholesale oil seals market over the years. It turns out to be efficient that seizing the precious chance to develop seal pneumatics inc is a wise choice to DMS Seals. In the field of cheap oil seals market, DMS Seals focuses on precision marketing of molded seals . Dms Seals Technology Co.,limited is the pillar in air cylinder piston seals industry, having been engaged in for many years.
2. We have a professional QC team to guarantee our product quality. With their years of expertise and strict attitude towards quality, they allow us to provide a full line of high-quality products for our customers. All DMS Seals branded products have received good market response since launched. With tremendous market potential, they are bound to increase the profitability of customers. We have a skilled highly engaged production management team. They often hold a responsible attitude throughout our operations, no matter in inspecting product quality or controlling the production process. Based on years of market expansion experience, we have become a global market player in this industry, especially in the markets of North America, Asia, and the Middle East. We manage the supply of products to customers worldwide, especially Japan, the United States, and the United Kingdom. The demand for our products in the international market demonstrates our ability to meet or exceed the needs of every customer.
3. We have the vision to persist with innovation for change, for growth, and for transformation. It creates momentum to fulfillment and success and continuously brings us technology humanization and the highest trustworthiness to embrace the new era of hopes and challenges. As a responsible organization, our company is actively involved in CSR & preserving environment projects for the well-being of the community. Our company strives for excellent services. We personalize the customer experience across all touchpoints in the organization.
DMS Seals Latest hydraulic cylinder piston seals Supply for light and medium hydraulic systems
hydraulic cylinder piston seals
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