Company Advantages1. High-end talents and advanced technology have enabled DMS o-ring seal quality to reach the industry's leading level. We are a highly renowned manufacturers, traders and manufactures of hydraulic wiper seals which has an excellent wiper seal design.
2. Using the concept of metric wiper seal, Our products strongly show rod wiper seals. DMS O Ring Manufacturers strictly follows the ISO9001 international quality certification system for production management
3. scraper seals has the advantage of hydraulic wiper seals as compared with other similar products. DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of seals
4. Successful customer service communications and interactions are important to Dms Seals Technology Co.,limited. As a modern sealing technology company, DMS Seal manufacturer has a wealth of experience
5. Our company provides different types of hydraulic wiper seals for your selection. The R&D teams have the ability to design and develop seals for various of complicated working condition of sealing system
Installation Recommendation

Installation Sizes
Rod Diameter | Groove Diameter | Groove Width | Bore Diameter | Radius | Step Width |
d f8/h9 | D H9 | L+0.2 | D1±0.1 | R | a |
20-39.9 | d+7.6 | 4.2 | d+1.0 | 0.4 | 3.0 |
40-69.9 | d+8.8 | 6.3 | d+1.5 | 1.0 | 3.0 |
70-139.9 | d+12.2 | 8.1 | d+2.0 | 1.2 | 4.0 |
140-399.9 | d+16.0 | 11.5 | d+2.0 | 2.0 | 5.0 |
400-649.9 | d+24.0 | 15.5 | d+2.5 | 2.5 | 8.0 |
650-999.9 | d+27.3 | 18.0 | d+2.5 | 2.5 | 10.0 |
Application and properties
For a wide range of applications, such as agricultural machinery, injection molding machines, forklifts, cranes and so on. Consisting of a sealing ring and two O-Rings for improving overall tightness, low friction, non stick slip phenomenon, good adjustment and positioning ability, high reliability, accepting the full load of work pressure in a short time.
Sealing ring: filled PTFE / PU
O-Ring: NBR / FKM
Working Conditions
Working Conditions |
Diameter Range | Pressure Range | Temperature Range | Speed | Medium |
3-1600mm |
| -36℃+200℃ | 5 m/s | hydraulic oil, flame retardant liquid, water and others |
Installation Dimensions
d f8 | D H9 | H | L+0.2 | Order No. |
20
25
28 | 27.6
32.6
35.6 | 4.0
4.0
4.0 | 4.2
4.2
4.2 | DPT1-20*27.6*4.2
DPT1-25*32.6*4.2
DPT1-28*35.6*4.2 |
30
32
35 | 37.6
39.6
42.6 | 4.0
4.0
4.0 | 4.2
4.2
4.2 | DPT1-30*37.6*4.2
DPT1-32*39.6*4.2
DPT1-35*42.6*4.2 |
36
40
42 | 43.6
48.8
50.8 | 4.0
6.0
6.0 | 4.2
6.3
6.3 | DPT1-36*43.6*4.2
DPT1-40*48.8*6.3
DPT1-42*50.8*6.3 |
45
50
55 | 53.8
58.8
63.8 | 6.0
6.0
6.0 | 6.3
6.3
6.3 | DPT1-45*53.8*6.3
DPT1-50*58.8*6.3
DPT1-55*63.8*6.3 |
56
60
63 | 64.8
68.8
71.8 | 6.0
6.0
6.0 | 6.3
6.3
6.3 | DPT1-56*64.8*6.3
DPT1-60*68.8*6.3
DPT1-63*71.8*6.3 |
65
70
75 | 73.8
82.2
87.2 | 6.0
7.7
7.7 | 6.3
8.1
8.1 | DPT1-65*73.8*6.3
DPT1-70*82.2*8.1
DPT1-75*87.2*8.1 |
80
85
90 | 92.2
97.2
102.2 | 7.7
7.7
7.7 | 8.1
8.1
8.1 | DPT1-80*92.2*8.1
DPT1-85*97.2*8.1
DPT1-90*102*8.1 |
95
100
105 | 107.2
112.2
117.2 | 7.7
7.7
7.7 | 8.1
8.1
8.1 | DPT1-95*107*8.1
DPT1-100*112*8.1
DPT1-105*117*8.1 |
110
115
120 | 122.2
127.2
132.2 | 7.7
7.7
7.7 | 8.1
8.1
8.1 | DPT1-110*122*8.1
DPT1-115*127*8.1
DPT1-120*132*8.1 |
Company Features1. Dms Seals Technology Co.,limited has a wealth of manufacturing experience in scraper seals.
2. Our professional R&D team takes great responsibility for developing new technology to keep hydraulic wiper seals more competitive in this market.
3. DMS Seal Manufacturer has been sticking to the principle of customer first. Ask!