Application Scope
    
    
         produced by is mainly used in the following fields. is committed to providing customers with high-quality as well as one-stop, comprehensive and efficient solutions.
        
     
    
        
        Product Details
        
    
    
        In the production, believes that detail determines result and quality creates brand. This is the reason that we strive for excellence in every product detail.
        
     
 Company Advantages1. Customers can choose different materials options for piston seals, including pneumatic piston seals. To reduce costs with high-efficiency work is the DMS's purpose
2. DMS Seal manufacturer provides good quality and competitive price hydraulic seals. We have rich product application experience.
3. DMS O Ring Manufacturers strictly follows the ISO9001 international quality certification system for production management, We Are Supply hydraulic piston seals, hydraulic piston seals sizes, hydraulic piston seals At Competitive Prices And Favorable Trading Terms.
4. We can support OEM and ODM, DMS Seal Manufacturer Has An Experienced Design Team To Help You Make Customized 
o-ring seal, hydraulic cylinder piston seals.
5. Dms Seals Technology Co.,limited provide our customers with more high quality, cheap piston seals and excellent service. DMS Seals implements and optimizes its quality control systems
6. Excellent quality of hydraulic piston seals products from Dms Seals Technology Co.,limited is favored by the majority of users. DMS Seals provides professional design and production of high-grade o-ring seals
Installation Recommendation
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Application and properties
Apply to cylinder piston, consisting of a seal ring, an O-Ring, a pair of retaining rings and a pair of guide sleeves. 
The seal ring and cylinder bore conforming to be a symmetric section to achieve the sealing performance, with double acting sealing performance.
Sealing ring: filled PTFE
O-Ring: NBR / FKM
Back-up ring: filled PTFE / PA
Guide ring: filled PTFE / PA
Working Conditions
| Working  Conditions | 
| Diameter Range | Pressure Range | Temperature Range | Speed | Medium | 
| 3-1600mm | 0-45MPa | -30℃+200℃ | 1 m/s | hydraulic oil, flame retardant liquid, water and others | 
Installation Dimensions
| D | d | b | d2 | d3 | a | c | f | e | Order No. | 
| 4045
 50
 | 2631
 34
 | 3232
 39
 | 3237
 42
 | 3641
 46
 | 3.53
 3
 | 15.515.5
 20.5
 | 8.258.25
 9.25
 | 77
 7
 | DDKK40*26*32DDKK45*31*32
 DDKK50*34*39
 | 
| 5660
 63
 | 4044
 47
 | 3939
 39
 | 4852
 55
 | 5256
 59
 | 33
 3
 | 20.520.5
 20.5
 | 9.259.25
 9.25
 | 77
 7
 | DDKK56*40*39DDKK60*44*39
 DDKK63*47*39
 | 
| 6570
 75
 | 4954
 59
 | 3939
 39
 | 5762
 67
 | 6166
 71
 | 33
 3
 | 20.520.5
 20.5
 | 9.259.25
 9.25
 | 77
 7
 | DDKK65*49*39DDKK70*54*39
 DDKK75*59*39
 | 
| 8085
 90
 | 6267
 72
 | 4343
 43
 | 7277
 82
 | 7681
 86
 | 33
 3
 | 22.522.5
 22.5
 | 10.2510.25
 10.25
 | 77
 7
 | DDKK80*62*43DDKK85*67*43
 DDKK90*72*43
 | 
| 95100
 105
 | 7782
 87
 | 4343
 43
 | 8792
 97
 | 9196
 101
 | 33
 3
 | 22.522.5
 22.5
 | 10.2510.25
 10.25
 | 77
 10
 | DDKK95*77*43DDKK100*82*43
 DDKK105*87*43
 | 
| 110115
 120
 | 9297
 102
 | 4343
 43
 | 102107
 112
 | 106111
 116
 | 33
 3
 | 22.522.5
 22.5
 | 10.2510.25
 10.25
 | 1010
 10
 | DDKK110*92*43DDKK115*97*43
 DDKK120*102*43
 | 
| 125130
 140
 | 103108
 118
 | 5353
 53
 | 115120
 130
 | 121126
 136
 | 44
 4
 | 26.526.5
 26.5
 | 13.2513.25
 13.25
 | 1010
 10
 | DDKK125*103*53DDKK130*108*53
 DDKK140*118*53
 | 
| 150160
 165
 | 128138
 143
 | 5353
 57
 | 140150
 155
 | 146156
 161
 | 44
 6
 | 26.526.5
 26.5
 | 13.2513.25
 15.25
 | 1010
 10
 | DDKK150*128*53DDKK160*138*53
 DDKK165*143*57
 | 
| 170180
 190
 | 148158
 165
 | 5757
 64
 | 160170
 180
 | 166176
 186
 | 66
 4.5
 | 26.526.5
 31.5
 | 15.2515.25
 16.25
 | 1010
 10
 | DDKK170*148*57DDKK180*158*57
 DDKK190*165*64
 | 
| 195200
 210
 | 170175
 185
 | 6464
 71
 | 185190
 200
 | 191196
 206
 | 4.54.5
 8
 | 31.531.5
 31.5
 | 16.2516.25
 19.75
 | 1010
 12
 | DDKK195*170*64DDKK200*175*64
 DDKK210*185*71
 | 
 Widely known as one of Chinese leading producers for piston seals, Dms Seals Technology Co.,limited insists on high quality and professional service. - Dms Seals Technology Co.,limited is the leader of foreign trade hydraulic piston seals company in China. 
2.  The add of pneumatic piston seals helps to the better performance of o-ring seal. - Dms Seals Technology Co.,limited has nationwide piston seals manufacturing plants and sales offices. 
3.  Centering on improving hydraulic piston seals sizesto accelerate the need to adapt to market competition is important for DMS Seal Manufacturer now. Get price! - By cause of accurate market position, DMS Seal Manufacturer dedicates itself into the design and sales of hydraulic piston seals. Get price!