Enterprise Strength
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Based on customer's needs, Dms Seals fully exerts our own advantages and market potential. We constantly innovate service methods and improve service to meet their expectations for our company.
Product Comparison
O-ring Seal has the following advantages: well-chosen materials, reasonable design, stable performance, excellent quality, and affordable price. Such a product is up to the market demand.Compared with products in the same category, O-ring Seal we produce is equipped with the following advantages.
Company Advantages1. DMS Seals is made by highly skilled and experienced professionals using the optimum quality raw materials.
2. DMS Seals is designed using the optimum quality raw material as per industry guidelines.
3. DMS Seals shaft seals for pumps is manufactured using state-of-the-art technology to strictly meet with the set industry standards.
4. DMS Seals is manufactured adhering to the principle of innovative production.
5. The production of DMS Seals adopts the high standard of workmanship.
6. The product features the anti-heat aging property. By using various modifiers and forming process agents, the thermal oxidation aging problems have been improved.
7. The product features a humanized design. It is equipped with an automatic valve, which means that the filter can be automatically rinsed and back washed according to the running time and the water flow rate.
8. Using electromagnetic induction technology, this product features high sensor capacity and accuracy in identifying writing or drawing movement.
9. Users don't feel too hot or uncomfortable when they sleep at night, as this fabric is very breathable.
10. People can be assured that the product will not cause any health issues, such as odor toxication or chronic respiratory disease.
11. This product keeps people comfortable, prevents moisture accumulation, and avoids fungus breeding.
1. Installation Recommendation
![DMS Seal Manufacturer-Hydraulic Rod Seal | O Ring Manufacturers| Dms Seal Manufacturer]()
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 |
200-255.9 | 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 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 |
dN h9 | D1 H9 | L1+0.2 |
20 20 22 | 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 |
22 25 25 | 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 |
28 30 32 | 38.7 40.7 42.7 | 4.2 4.2 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 |
35 36 38 | 45.7 46.7 53.1 | 4.2 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 |
40 40 42 | 50.7 55.1 57.1 | 4.2 6.3 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 |
45 45 50 | 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 |
50 55 56 | 65.1 70.1 66.7 | 6.3 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 |
56 56 60 | 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 Features1. Dms Seals Technology Co.,limited is a leading company in China to export shaft seals for pumps . Through professional management methods, DMS Seals has played a key role in the process of depac mechanical seal industry. Specialized in the industry of
hydraulic rod seals , Dms Seals Technology Co.,limited is a backbone exporter in China. Mainly dealing with Others, Dms Seals Technology Co.,limited has done a good performance in the industry of gaco seals supplier . With rich experience in manufacturing Others, Dms Seals Technology Co.,limited has been cooperated with many distinguished distributors.
2. rubber seals and gaskets suppliers from Dms Seals Technology Co.,limited enjoys a good reputation in the market and its test results are in line with national standards. It turns out to be effective that Dms Seals Technology Co.,limited has been putting a lot of investment into producing
dowty seal manufacturer with great performance. Dms Seals Technology Co.,limited can provide all quality certificates available for mechanical shaft seals springs .
3. Every day, we focus on sustainability practices. From production to customer partnerships, to supporting local charities and employee engagement, we implement sustainability strategies along the entire value chain. We are committed to promoting our sustainable development. We are constantly improving our staff's environmental awareness and put it into our production activities. Our value is to help customers discover solutions to the challenges they face by delivering the products and services they need to succeed. We stick to sustainable development. We guide our business partners to improve the social, ethical and environmental consequences of their products, services and supply chains.
Latest shaft seals for pumps wholesale for larger piston clearance
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