Company Advantages1. DMS Seals is fabricated from top quality materials and professional workers. We can support OEM and ODM
2. oil seal hydraulic has helped DMS Seals increase popularity and improve reputation. We have developed solutions of the sealing of special working condition
3. The product will not release a disturbing odor. The wood materials are specially heat-treated to withstand the high temperatures, producing no unhealthy gases. Seal we produced has applications in a wide range of fields
4. The product features temperature stability. It can maintain its mechanical properties and will continue to perform as designed without being deformed. DMS Seals takes the lead in grasping the development trend of the industry
5. The product features minimal temperature variations. In the manufacturing process, it is installed with a substrate with excellent heat dissipation to control the change of temperatures. DMS Seals' production equipment and test equipment are on the leading level in the industry
Installation Recommendation
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Application and properties
Standard double acting sealing, a wide range of applications. Friction resistance is very low, no crawling phenomenon, strong wear resistance, and saving installation space.
Sealing ring: filled PTFE
O-Ring: NBR / FKM
Working Conditions
Working Conditions |
Diameter Range | Pressure Range | Temperature Range | Speed | Medium |
3-1600mm | 0-35MPa | -30℃+200℃ | 1.5 m/s | hydraulic oil, flame retardant liquid, water and others. |
Installation Dimensions
Nominal Size of Packing, and Housing dimensions | L +0.2 | Order No. |
d | D | H |
30 31.5 32 | 20.5 22 22.5 | 4.3 4.3 4.3 | 4.5 4.5 4.5 | SPG30*20.5*4.5 SPG31.5*22*4.5 SPG32*22.5*4.5 |
35 35.5 40 | 25.5 26 30 | 4.3 4.3 4.3 | 4.5 4.5 4.5 | SPG35*25.5*4.5 SPG35.5*26*4.5 SPG40*30*4.5 |
45 50 55 | 35 40 45 | 4.3 4.3 4.3 | 4.5 4.5 4.5 | SPG45*35*4.5 SPG50*40*4.5 SPG55*45*4.5 |
56 60 63 | 46 50 48 | 4.3 4.3 7.3 | 4.5 4.5 7.5 | SPG56*46*4.5 SPG60*50*4.5 SPG63*48*7.5 |
65 69 70 | 50 54 55 | 7.3 7.3 7.3 | 7.5 7.5 7.5 | SPG65*50*7.5 SPG69*54*7.5 SPG70*55*7.5 |
71 75 80 | 56 60 65 | 7.3 7.3 7.3 | 7.5 7.5 7.5 | SPG71*56*7.5 SPG75*60*7.5 SPG80*65*7.5 |
85 90 95 | 70 75 80 | 7.3 7.3 7.3 | 7.5 7.5 7.5 | SPG85*70*7.5 SPG90*75*7.5 SPG95*80*7.5 |
100 105 108 | 85 90 92 | 7.3 7.3 7.3 | 7.5 7.5 7.5 | SPG100*85*7.5 SPG105*90*7.5 SPG108*92*7.5 |
110 112 120 | 94 96 104 | 7.3 7.3 7.3 | 7.5 7.5 7.5 | SPG110*94*7.5 SPG112*96*7.5 SPG120*104*7.5 |
125 130 135 | 109 114 119 | 7.3 7.3 7.3 | 7.5 7.5 7.5 | SPG125*109*7.5 SPG130*114*7.5 SPG135*119*7.5 |
140 145 150 | 124 129 134 | 7.3 7.3 7.3 | 7.5 7.5 7.5 | SPG140*124*7.5 SPG145*129*7.5 SPG150*134*7.5 |
155 160 170 | 139 144 148 | 7.3 7.3 10.8 | 7.5 7.5 11 | SPG155*139*7.5 SPG160*144*7.5 SPG170*148*11 |
Company Features1. As a reliable manufacturer, Dms Seals Technology Co.,limited plays an important role in the global oil seal hydraulic market. Dms Seals Technology Co.,limited is technologically strong with advanced production equipment and experienced technician.
2. DMS Seals provides the latest hydraulic piston cup seals to exceed customers' needs.
3. If importance of technology optimization were ignored, hallite hydraulic seals could not have been so popular in the market. We make efforts to minimize our negative impact on the environment. We try to reduce greenhouse gas emissions, energy consumption, solid landfill waste, and water consumption in our operation.