Company Advantages1. The newly launched products by Dms Seals Technology Co.,limited were all completed by the internationally renowned design company. DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of seals
2. All relative certificates to guarantee quality will be provided by Dms Seals Technology Co.,limited. As a modern sealing technology company, DMS Seal manufacturer has a wealth of experience
3. Dms Seals Technology Co.,limited realizes the critical importance that piston seals plays in optimizing a new product’s time to market. We have developed solutions of the sealing of special working condition
4. With accuracy and safety, the product is qualified to use. We can support OEM and ODM
Installation Recommendation

Application and properties
Standard double acting sealing, a wide range of applications. Friction resistance is very low, no crawling phenomenon, strong wear resistance, and saving installation space.
Sealing ring: filled PTFE
O-Ring: NBR / FKM
Working Conditions
Working Conditions |
Diameter Range | Pressure Range | Temperature Range | Speed | Medium |
3-1600mm | 0-35MPa | -30℃+200℃ | 1.5 m/s | hydraulic oil, flame retardant liquid, water and others. |
Installation Dimensions
Nominal Size of Packing, and Housing dimensions | L +0.2 | Order No. |
D | d | H |
20
25
30 | 14
19
21.5 | 3
3
3.8 | 3.2
3.2
4 | DPO20*14*3.2
DPO25*19*3.2
DPO30*21.5*4 |
31.5
32
35 | 23
23.5
26.5 | 3.8
3.8
3.8 | 4
4
4 | DPO31.5*23*4
DPO32*23.5*4
DPO35*26.5*4 |
35.5
40
45 | 27
31.5
36.5 | 3.8
3.8
3.8 | 4
4
4 | DPO35.5*27*4
DPO40*31.5*4
DPO45*36.5*4 |
50
53
55 | 41.5
44.5
46.5 | 3.8
3.8
3.8 | 4
4
4 | DPO50*41.5*4
DPO53*44.5*4
DPO55*46.5*4 |
56
60
63 | 47.5
51.5
49 | 3.8
3.8
6.3 | 4
4
6.5 | DPO56*47.5*4
DPO60*51.5*4
DPO63*49*6.5 |
65
70
71 | 51
56
57 | 6.3
6.3
6.3 | 6.5
6.5
6.5 | DPO65*51*6.5
DPO70*56*6.5
DPO71*57*6.5 |
75
80
85 | 61
66
71 | 6.3
6.3
6.3 | 6.5
6.5
6.5 | DPO75*61*6.5
DPO80*66*6.5
DPO85*71*6.5 |
90
95
100 | 76
81
86 | 6.3
6.3
6.3 | 6.5
6.5
6.5 | DPO90*76*6.5
DPO95*81*6.5
DPO100*86*6.5 |
105
110
112 | 91
96
98 | 6.3
6.3
6.3 | 6.5
6.5
6.5 | DPO105*91*6.5
DPO110*96*6.5
DPO112*98*6.5 |
115
120
125 | 101
106
111 | 6.3
6.3
6.3 | 6.5
6.5
6.5 | DPO115*101*6.5
DPO120*106*6.5
DPO125*111*6.5 |
130
135
140 | 116
121
126 | 6.3
6.3
6.3 | 6.5
6.5
6.5 | DPO130*116*6.5
DPO135*121*6.5
DPO140*126*6.5 |
150
160
170 | 136
146
150 | 6.3
6.3
9.8 | 6.5
6.5
10.0 | DPO150*136*6.5
DPO160*146*6.5
DPO170*150*10 |
180
190
200 | 160
170
180 | 9.8
9.8
9.8 | 10.0
10.0
10.0 | DPO180*160*10
DPO190*170*10
DPO200*180*10 |
Company Features1. Dms Seals Technology Co.,limited is active in piston seals market with advantages of technology and pneumatic piston seals. - Please Contact Us! DMS Seal Manufacturer's hydraulic piston seals, hydraulic piston seals sizes, hydraulic piston seals Have The Features Of High Efficient And Low Priced. We Are Willing To Enter Into Business Relations With Your Firm On The Basis Of Equality And Mutual Benefit.
2. DMS Seal Manufacturer's processing center has advanced machine and professional testing equipment.
3. Dms Seals Technology Co.,limited is working every day to refine our materials formulation to deliver the best o-ring seal available. - The friendly cooperation with hydraulic cylinder piston seals helps the growth of DMS Seal Manufacturer. Please contact.