Company Advantages1. DMS Seal manufacturer provides good quality and competitive price hydraulic seals. As one of the unique feature, pneumatic piston seals successfully makes hydraulic piston seals sizes more popular among customers. DMS Seal manufacturer provides good quality and competitive price hydraulic seals
2. Dms Seals Technology Co.,limited, well-known for its superior quality, will provide first-class service. We can support OEM and ODM
3. piston seals's popularity has close relation with the its features such as hydraulic piston seals. High-end talents and advanced technology have enabled DMS o-ring seal quality to reach the industry's leading level
4. hydraulic cylinder piston seals's high performance can meet the requirements of many special industries for hydraulic piston seals. The high pressure seals have strong wear resistance to hard conditions
Installation Recommendation
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. |
40 45 50 | 26 31 34 | 30 30 32 | 32 37 42 | 36 41 46 | 3.5 3 3 | 15.5 15.5 20.5 | 7.25 7.25 5.8 | 7 7 7 | DKDF40*26*30 DKDF45*31*30 DKDF50*34*32 |
56 60 63 | 40 44 47 | 32 32 32 | 48 52 55 | 52 56 59 | 3 3 3 | 20.5 20.5 20.5 | 5.8 5.8 5.8 | 7 7 7 | DKDF56*40*32 DKDF60*44*32 DKDF63*47*32 |
65 70 75 | 49 54 59 | 32 32 32 | 57 62 67 | 61 66 71 | 3 3 3 | 20.5 20.5 20.5 | 5.8 5.8 5.8 | 7 7 7 | DKDF65*49*32 DKDF70*54*32 DKDF75*59*32 |
80 85 90 | 62 67 72 | 36 36 36 | 72 77 82 | 76 81 86 | 3 3 3 | 22.5 22.5 22.5 | 6.8 6.8 6.8 | 7 7 7 | DKDF80*62*36 DKDF85*67*36 DKDF90*72*36 |
95 100 105 | 77 82 87 | 36 36 36 | 87 92 97 | 91 96 101 | 3 3 3 | 22.5 22.5 22.5 | 6.8 6.8 6.8 | 7 7 10 | DKDF95*77*36 DKDF100*82*36 DKDF105*87*36 |
110 115 120 | 92 97 102 | 36 36 36 | 102 107 112 | 106 111 116 | 3 3 3 | 22.5 22.5 22.5 | 6.8 6.8 6.8 | 10 10 10 | DKDF110*92*36 DKDF115*97*36 DKDF120*102*36 |
125 130 135 | 103 108 113 | 43 43 43 | 115 120 125 | 121 126 131 | 4 4 4 | 26.5 26.5 26.5 | 8.3 8.3 8.3 | 10 10 10 | DKDF125*103*43 DKDF130*108*43 DKDF135*113*43 |
140 145 150 | 118 123 128 | 43 43 43 | 130 135 140 | 136 141 146 | 4 4 4 | 26.5 26.5 26.5 | 8.3 8.3 8.3 | 10 10 10 | DKDF140*118*43 DKDF145*123*43 DKDF150*128*43 |
155 160 170 | 133 138 148 | 43 43 48 | 145 150 160 | 151 156 166 | 4 4 6 | 26.5 26.5 26.5 | 8.3 8.3 10.8 | 10 10 10 | DKDF155*133*43 DKDF160*138*43 DKDF170*148*48 |
180 190 195 | 158 165 170 | 48 48 48 | 170 180 185 | 176 186 191 | 6 4.5 4.5 | 26.5 31.5 31.5 | 10.8 8.3 8.3 | 10 10 10 | DKDF180*158*48 DKDF190*165*48 DKDF195*170*48 |
200 210 220 | 175 185 195 | 48 58 58 | 190 200 210 | 196 206 216 | 4.5 8 8 | 31.5 31.5 31.5 | 8.3 13.3 13.3 | 10 12 12 | DKDF200*175*48 DKDF210*185*58 DKDF220*195*58 |
235 240 250 | 210 215 225 | 74 74
| 225 230 240 | 231 236 246 | 15 15 15 | 31.5 31.5 31.5 | 21.3 21.3 21.3 | 12 12 12 | DKDF235*210*74 DKDF240*215*74 DKDF250*225*74 |
265 270 275 | 240 245 250 | 74 74 74 | 255 260 265 | 261 266 271 | 15 15 15 | 31.5 31.5 31.5 | 21.3 21.3 21.3 | 12 12 12 | DKDF265*240*74 DKDF270*245*74 DKDF275*250*74 |
Company Features1. Fully specialized in the R&D and production of piston seals, Dms Seals Technology Co.,limited is globally recognized.
2. There is strict testing for quality of hydraulic piston seals to make satisfying products for customers.
3. Our o-ring seal have been well sold to all over the world known as its pneumatic piston seals. Please contact us!