Company Advantages1. Moreover, we will cultivate our business little by little and perform each task step by step. Abiding by the management principle of 'Three-Good & One-Fairness (good quality, good credibility, good services, and reasonable price), we are looking forward to welcoming the new era with you.The high pressure seals have strong wear resistance to hard conditions
2. DMS Seals takes the lead in grasping the development trend of the industry. DMS Seal Manufacturer believes the achievement of customer expectation will enhance the customer satisfication.
3. To reduce costs with high-efficiency work is the DMS's purpose. piston seals,pneumatic piston seals offers the benefit of superior performance and hydraulic piston seals sizes.
4. DMS Seal Manufacturer hydraulic piston seals can be operated conveniently by simply hydraulic piston seals. High-end talents and advanced technology have enabled DMS 
o-ring seal quality to reach the industry's leading level. 
5. With the installation of hydraulic cylinder piston seals, o-ring sealhave increased its sales. DMS Seals manufacturer owns a team of professional R&D group and skilled technicians
Installation Recommendation
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Installation Sizes
| D H8 | d h9 | L+0.2 | H | 
| ˂96 | D-16.3 | 8 | 7.5 | 
| 96-190 | D-20 | 10 | 9.5 | 
| 191-380 | D-28 | 13 | 12.5 | 
| 381-1000 | D-36 | 20 | 19.5 | 
Application and properties
Apply to hydraulic piston sealing, Consisting of a seal ring, two L-shaped POM back-up rings and an acting force O-Ring. The back-up ring acts as a support and guide to ensure a tight sealing environment. High wear resistance, low friction, no crawling phenomenon, easy installation.
Sealing ring: filled PTFE
O-Ring: NBR / FKM
L-Ring: POM / PA
Working Conditions
| Working  Conditions | 
| Diameter Range | Pressure Range | Temperature Range | Speed | Medium | 
| 3-1600mm | 0-45MPa | -30℃+100℃ | 1 m/s | hydraulic oil, flame retardant liquid, water and others | 
Installation Dimensions
| D H8 | d h9 | H | L | e | Order No.  | 
| 4045
 50
 | 23.228.2
 33.2
 | 7.57.5
 7.5
 | 88
 8
 | 77
 7
 | DGDA40*23.2*7.5DGDA45*28.2*7.5
 DGDA50*33.2*7.5
 | 
| 5663
 65
 | 39.246.2
 48.2
 | 7.57.5
 7.5
 | 88
 8
 | 77
 7
 | DGDA56*39.2*7.5DGDA63*46.2*7.5
 DGDA65*48.2*7.5
 | 
| 7075
 80
 | 53.258.2
 63.2
 | 7.57.5
 7.5
 | 88
 8
 | 77
 7
 | DGDA70*53.2*7.5DGDA75*58.2*7.5
 DGDA80*63.2*7.5
 | 
| 8590
 95
 | 68.273.2
 78.2
 | 7.57.5
 7.5
 | 88
 8
 | 77
 7
 | DGDA85*68.2*7.5DGDA90*73.2*7.5
 DGDA95*78.2*7.5
 | 
| 100105
 110
 | 8085
 90
 | 9.59.5
 9.5
 | 1010
 10
 | 1010
 10
 | DGDA100*80*9.5DGDA105*85*9.5
 DGDA110*90*9.5
 | 
| 115120
 125
 | 95100
 105
 | 9.59.5
 9.5
 | 1010
 10
 | 1010
 10
 | DGDA115*95*9.5DGDA120*100*9.5
 DGDA125*105*9.5
 | 
| 130135
 140
 | 110115
 120
 | 9.59.5
 9.5
 | 1010
 10
 | 1010
 10
 | DGDA130*110*9.5DGDA135*115*9.5
 DGDA140*120*9.5
 | 
| 145150
 155
 | 125130
 135
 | 9.59.5
 9.5
 | 1010
 10
 | 1010
 10
 | DGDA145*125*9.5DGDA150*130*9.5
 DGDA155*135*9.5
 | 
| 160170
 180
 | 140150
 160
 | 9.59.5
 9.5
 | 1010
 10
 | 1010
 10
 | DGDA160*140*9.5DGDA170*150*9.5
 DGDA180*160*9.5
 | 
| 190200
 210
 | 170172
 182
 | 9.512.5
 12.5
 | 1013
 13
 | 1012
 12
 | DGDA190*170*9.5DGDA200*172*12.5
 DGDA210*182*12.5
 | 
| 220225
 235
 | 192197
 207
 | 12.512.5
 12.5
 | 1313
 13
 | 1212
 12
 | DGDA220*192*12.5DGDA225*197*12.5
 DGDA235*207*12.5
 | 
 DMS Seal Manufacturer has been committed to high-level quality and service for piston seals since the day of its establishment.
2.  Inquire! DMS Seal Manufacturer Is Looking For Creditable hydraulic piston seals, pneumatic piston seals, hydraulic piston seals sizes Wholesale Agents All Over The World. Do Feel Free To Contact Us. 
3.  DMS Seal Manufacturer is committed to wining wide market with its core competitiveness. Please contact.