Company Advantages1. DMS Seal manufacturer provides good quality and competitive price hydraulic seals. Owing to its various quality attributes, provided pneumatic piston seals is highly appreciated by DMS Seal Manufacturer clients.
2. Dms Seals Technology Co.,limited's customer service always works on a professional level. DMS Seals implements and optimizes its quality control systems
3. piston seals represents the wisdom crystallization of our outstanding hydraulic piston seals sizes. DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of seals
4. Thanks to the excellent properties of hydraulic piston seals, hydraulic piston seals is popular among customers. DMS 
o-ring seal has advanced machines and equipment for its production
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
Guide ring: filled PTFE / PA
Working Conditions
| Working  Conditions | 
| Diameter Range | Pressure Range | Temperature Range | Speed | Medium | 
| 3-1600mm | 0-45MPa | -30℃+100℃ | 1 m/s | hydraulic oil, water and emulsion | 
Installation Dimensions
| D | d | b | d2 | d3 | a | c | f | e | Order No. | 
| 4045
 50
 | 2631
 34
 | 3030
 32
 | 3237
 42
 | 3641
 46
 | 3.53
 3
 | 15.515.5
 20.5
 | 7.257.25
 5.8
 | 77
 7
 | DKDF40*26*30DKDF45*31*30
 DKDF50*34*32
 | 
| 5660
 63
 | 4044
 47
 | 3232
 32
 | 4852
 55
 | 5256
 59
 | 33
 3
 | 20.520.5
 20.5
 | 5.85.8
 5.8
 | 77
 7
 | DKDF56*40*32DKDF60*44*32
 DKDF63*47*32
 | 
| 6570
 75
 | 4954
 59
 | 3232
 32
 | 5762
 67
 | 6166
 71
 | 33
 3
 | 20.520.5
 20.5
 | 5.85.8
 5.8
 | 77
 7
 | DKDF65*49*32DKDF70*54*32
 DKDF75*59*32
 | 
| 8085
 90
 | 6267
 72
 | 3636
 36
 | 7277
 82
 | 7681
 86
 | 33
 3
 | 22.522.5
 22.5
 | 6.86.8
 6.8
 | 77
 7
 | DKDF80*62*36DKDF85*67*36
 DKDF90*72*36
 | 
| 95100
 105
 | 7782
 87
 | 3636
 36
 | 8792
 97
 | 9196
 101
 | 33
 3
 | 22.522.5
 22.5
 | 6.86.8
 6.8
 | 77
 10
 | DKDF95*77*36DKDF100*82*36
 DKDF105*87*36
 | 
| 110115
 120
 | 9297
 102
 | 3636
 36
 | 102107
 112
 | 106111
 116
 | 33
 3
 | 22.522.5
 22.5
 | 6.86.8
 6.8
 | 1010
 10
 | DKDF110*92*36DKDF115*97*36
 DKDF120*102*36
 | 
| 125130
 135
 | 103108
 113
 | 4343
 43
 | 115120
 125
 | 121126
 131
 | 44
 4
 | 26.526.5
 26.5
 | 8.38.3
 8.3
 | 1010
 10
 | DKDF125*103*43DKDF130*108*43
 DKDF135*113*43
 | 
| 140145
 150
 | 118123
 128
 | 4343
 43
 | 130135
 140
 | 136141
 146
 | 44
 4
 | 26.526.5
 26.5
 | 8.38.3
 8.3
 | 1010
 10
 | DKDF140*118*43DKDF145*123*43
 DKDF150*128*43
 | 
| 155160
 170
 | 133138
 148
 | 4343
 48
 | 145150
 160
 | 151156
 166
 | 44
 6
 | 26.526.5
 26.5
 | 8.38.3
 10.8
 | 1010
 10
 | DKDF155*133*43DKDF160*138*43
 DKDF170*148*48
 | 
| 180190
 195
 | 158165
 170
 | 4848
 48
 | 170180
 185
 | 176186
 191
 | 64.5
 4.5
 | 26.531.5
 31.5
 | 10.88.3
 8.3
 | 1010
 10
 | DKDF180*158*48DKDF190*165*48
 DKDF195*170*48
 | 
| 200210
 220
 | 175185
 195
 | 4858
 58
 | 190200
 210
 | 196206
 216
 | 4.58
 8
 | 31.531.5
 31.5
 | 8.313.3
 13.3
 | 1012
 12
 | DKDF200*175*48DKDF210*185*58
 DKDF220*195*58
 | 
| 235240
 250
 | 210215
 225
 | 74
 74
 | 225230
 240
 | 231236
 246
 | 1515
 15
 | 31.531.5
 31.5
 | 21.321.3
 21.3
 | 1212
 12
 | DKDF235*210*74DKDF240*215*74
 DKDF250*225*74
 | 
| 265270
 275
 | 240245
 250
 | 7474
 74
 | 255260
 265
 | 261266
 271
 | 1515
 15
 | 31.531.5
 31.5
 | 21.321.3
 21.3
 | 1212
 12
 | DKDF265*240*74DKDF270*245*74
 DKDF275*250*74
 | 
 Adversity Successfully Overcome Is The Highest Glory. DMS Seal Manufacturer Offers A Wide Range Of piston seals, pneumatic piston seals, hydraulic piston seals sizes At Reasonable Price To Customers From All Over The World. Please Contact Us!
2.  DMS Seal Manufacturer focuses on continuous technological innovation to improve products and services. Check now!