Company Advantages1. DMS Seal Manufacturer hydraulic piston seals sizes is produced with the well-selected raw materials to ensure each piece in good condition. DMS Seals manufacturer owns a team of professional R&D group and skilled technicians
2. The product goes on the trend of new technologies to meet customer expectations. As a modern sealing technology company, DMS Seal manufacturer has a wealth of experience
3. The product has good strength. During the production, it is finely welded and die-casted to ensure its physical strength. We can support OEM and ODM
4. This product has qualified tensile strength. It is subject to rigorous durability and strength testing as part of the manufacturing process. To reduce costs with high-efficiency work is the DMS's purpose
Installation Recommendation
![undefined undefined]()
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. Dms Seals Technology Co.,limited has been proven by time to be a producer skilled at developing, manufacturing and selling hydraulic piston seals .
2. All o-ring seal are manufactured strictly according to national and international standard.
3. We not only comply with environmental legislation in daily production facilities but also we encourage other businesses to do so. Besides, we also encourage our business partners to adopt green practices to further effectiveness.