Product Details
    
    
        With the pursuit of perfection, Dms Seals exerts ourselves for well-organized production and high-quality 
O-ring Seal.Under the guidance of market, Dms Seals constantly strives for innovation. O-ring Seal has reliable quality, stable performance, good design, and great practicality.
 
 Company Advantages1. Distinct characters can be tell from hydraulic piston seals sizes with other similar o-ring seal. 
2. Such hydraulic piston seals sizes has been improved significantly over traditional o-ring seal in terms of design and materials. 
3. o-ring seal has excellent materials, reasonable design structure, hydraulic piston seals sizes and high economic returns. 
4. The product is characterized by toxic free. No methanal or other harmful substances are contained in the pigment of this product. 
5. The product has a stable and constant chemical composition and physical properties which are determined by the internal structure. 
6. Highly resistant to fracture is one of its biggest selling points. Before fabrication, it is pre-processed in a drying oven to remove the moisture out to create a balance of the water content between the inner structure and surface. 
7. The product is acoustically insulated. There is a double layer construction applied in the seal area in order to ensure maximum sound insulation. 
8. The product is hypo-allergenic. It contains few allergy-producing substances such as nickel, but not enough to cause irritation. 
9. There are lots of benefits of investing in this product such as improvements in working efficiency to sustain patients' health. 
10. Customers can be assured that the product contains no toxic or harmful elements or substances which may do harm to their health. 
11. People will find that the product will stay beautiful luster for years to come, with little or no maintenance. 
Installation Recommendation
![undefined undefined]()
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
 | 
 As a Chinese o-ring seal manufacturing company, we have always advocated quality and practice. Dms Seals Technology Co.,limited has high-quality hydraulic piston seals in supplying premium quality solutions. In recent years DMS Seal Manufacturer has grown rapidly in the field of piston seals . 
2.  Dms Seals Technology Co.,limited has a professional R&D base for developing high quality o-ring seal. Dms Seals Technology Co.,limited has a strong independent R&D capabilities with advanced domestic production technology. Dms Seals Technology Co.,limited has been a competitive company to produce o-ring seal with high performance. 
3.  The permanent aim of Dms Seals Technology Co.,limited would be to make top brands in the world hydraulic piston seals sizes industry. Check it! Dms Seals Technology Co.,limited always pays attention to the quality and service. Check it! The business philosophy of our company is 'innovation in product, dedication to service.' Under this philosophy, the company develops steadily with growing influence in the industry. Check it! Our company dedicates to the development of society. Philanthropic initiatives have been taken by the company to build various worthy causes, such as education, national disaster relief, and water cleaning project. Check it!
DMS Seal Manufacturer bronze o-ring seal daq for sale 
o-ring seal
Type:daq
、 Type1:gsf
![DMS Seal Manufacturer-DKDF - PTFE Hydraulic Piston Seal with NBRFKM O-Ring-2]()