Company Advantages1. All departments work closely to ensure that the production of DMS Seals meets the requirements of lean production. Seal we produced has applications in a wide range of fields
2. Dms Seals Technology Co.,limited provides after-sale technical support for our wholesale oil seals . DMS Seal manufacturer provides good quality and competitive price hydraulic seals
3. The product is built to last. Its mechanical components can resist the aging effect and overload that caused by long-time working. DMS O Ring Manufacturers strictly follows the ISO9001 international quality certification system for production management
4. The product is notable for high energy efficiency. When it operates, it can utilize little energy as possible without any waste. We have developed solutions of the sealing of special working condition
Installation Recommendation
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Installation Sizes
D H8 | d h9 | L+0.2 | H |
˂96 | D-16.3 | 8 | 7.5 |
96-190 | D-20 | 10 | 9.5 |
191-380 | D-28 | 13 | 12.5 |
381-1000 | D-36 | 20 | 19.5 |
Application and properties
Apply to hydraulic piston sealing, Consisting of a seal ring, two L-shaped POM back-up rings and an acting force O-Ring. The back-up ring acts as a support and guide to ensure a tight sealing environment. High wear resistance, low friction, no crawling phenomenon, easy installation.
Sealing ring: filled PTFE
O-Ring: NBR / FKM
L-Ring: POM / PA
Working Conditions
Working Conditions |
Diameter Range | Pressure Range | Temperature Range | Speed | Medium |
3-1600mm | 0-45MPa | -30℃+100℃ | 1 m/s | hydraulic oil, flame retardant liquid, water and others |
Installation Dimensions
D H8 | d h9 | H | L | e | Order No. |
40
45
50 | 23.2
28.2
33.2 | 7.5
7.5
7.5 | 8
8
8 | 7
7
7 | DGDA40*23.2*7.5
DGDA45*28.2*7.5
DGDA50*33.2*7.5 |
56
63
65 | 39.2
46.2
48.2 | 7.5
7.5
7.5 | 8
8
8 | 7
7
7 | DGDA56*39.2*7.5
DGDA63*46.2*7.5
DGDA65*48.2*7.5 |
70
75
80 | 53.2
58.2
63.2 | 7.5
7.5
7.5 | 8
8
8 | 7
7
7 | DGDA70*53.2*7.5
DGDA75*58.2*7.5
DGDA80*63.2*7.5 |
85
90
95 | 68.2
73.2
78.2 | 7.5
7.5
7.5 | 8
8
8 | 7
7
7 | DGDA85*68.2*7.5
DGDA90*73.2*7.5
DGDA95*78.2*7.5 |
100
105
110 | 80
85
90 | 9.5
9.5
9.5 | 10
10
10 | 10
10
10 | DGDA100*80*9.5
DGDA105*85*9.5
DGDA110*90*9.5 |
115
120
125 | 95
100
105 | 9.5
9.5
9.5 | 10
10
10 | 10
10
10 | DGDA115*95*9.5
DGDA120*100*9.5
DGDA125*105*9.5 |
130
135
140 | 110
115
120 | 9.5
9.5
9.5 | 10
10
10 | 10
10
10 | DGDA130*110*9.5
DGDA135*115*9.5
DGDA140*120*9.5 |
145
150
155 | 125
130
135 | 9.5
9.5
9.5 | 10
10
10 | 10
10
10 | DGDA145*125*9.5
DGDA150*130*9.5
DGDA155*135*9.5 |
160
170
180 | 140
150
160 | 9.5
9.5
9.5 | 10
10
10 | 10
10
10 | DGDA160*140*9.5
DGDA170*150*9.5
DGDA180*160*9.5 |
190
200
210 | 170
172
182 | 9.5
12.5
12.5 | 10
13
13 | 10
12
12 | DGDA190*170*9.5
DGDA200*172*12.5
DGDA210*182*12.5 |
220
225
235 | 192
197
207 | 12.5
12.5
12.5 | 13
13
13 | 12
12
12 | DGDA220*192*12.5
DGDA225*197*12.5
DGDA235*207*12.5 |
Company Features1. The technological capability of DMS Seals ranks top in the industry.
2. We take honesty honor as the most important developing concept. We will always stick to the service promise and focus on improving our credibility in business practices, such as abiding by contracts.