Company Advantages1. DMS Seal Manufacturer is of innovative design. Its creation uses the latest design concepts and adopting advanced computer-assisted methods. The R&D teams have the ability to design and develop seals for various of complicated working condition of sealing system
2. Dms Seals Technology Co.,limited has a team with creative thinking, rich experience, and excellent service. We have developed solutions of the sealing of special working condition
3. The product is recyclable. Depending on the quality, treated residues can be used as filling materials which maintain original properties. To reduce costs with high-efficiency work is the DMS's purpose
4. The product is highly resistant to flaking. After withstanding a certain sharp temperature change or collision, it will not easily peel off. DMS Seals provides professional design and production of high-grade
o-ring seals
5. The product can achieve a good purifying effect. The excess salts, suspended particles, and microbes have been removed while retains the essential vitamins and minerals. DMS o-ring seal has advanced machines and equipment for its production
Installation Recommendation
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Installation Sizes
Rod Diameter d f8/h9 | Groove Diameter | Groove Width | Step Diameter | Radius | Step Width |
Standard Application | Suitable
Application | D H9 | L1+0.2 | D1±0.1 | R | a |
140.0-229.9 | 100.0-450.0 | d+22.2 | 6.3 | d+10.7 | 1.2 | 4.2 |
230.0-299.9 | 220.0-450.0 | d+24.2 | 6.3 | d+10.7 | 1.2 | 4.2 |
300.0-629.9 | 250.0-650.0 | d+33.0 | 8.1 | d+15.1 | 1.2 | 6.3 |
630.0-999.9 | 550.0-999.9 | d+36.5 | 9.5 | d+15.1 | 2.0 | 6.3 |
Application and properties
Applicable to agricultural hydraulic press, injection molding machine, metallurgical equipment, etc. Consisting of a sealing ring and two O-Rings as preload element, good dust scraping effect, low friction, no stick slip phenomenon, good ability of adjustment and positioning, especially for large diameter piston rods.
Sealing ring: filled PTFE / PU
O-Ring: NBR / FKM
Working Conditions
Working Conditions |
Diameter Range | Pressure Range | Temperature Range | Speed | Medium |
3-1600mm |
| -30℃+200℃ | 5 m/s | hydraulic oil, flame retardant liquid, water and others |
Installation Dimensions
d f8 | D H9 | H | L1+0.2 | L1 | Order No. |
100
110
120 | 122.2
132.2
142.2 | 13.5
13.5
13.5 | 6.3
6.3
6.3 | 4.2
4.2
4.2 | DPT2-100*122.2*6.3
DPT2-110*132.2*6.3
DPT2-120*142.2*6.3 |
130
140
150 | 152.2
162.2
172.2 | 13.5
13.5
13.5 | 6.3
6.3
6.3 | 4.2
4.2
4.2 | DPT2-130*152.2*6.3
DPT2-140*162.2*6.3
DPT2-150*172.2*6.3 |
160
170
180 | 182.2
192.2
202.2 | 13.5
13.5
13.5 | 6.3
6.3
6.3 | 4.2
4.2
4.2 | DPT2-160*182.2*6.3
DPT2-170*192.2*6.3
DPT2-180*202.2*6.3 |
190
200
210 | 212.2
222.2
232.2 | 13.5
13.5
13.5 | 6.3
6.3
6.3 | 4.2
4.2
4.2 | DPT2-190*212.2*6.3
DPT2-200*222.2*6.3
DPT2-210*232.2*6.3 |
220
230
240 | 242.2
252.2
262.2 | 13.5
13.5
13.5 | 6.3
6.3
6.3 | 4.2
4.2
4.2 | DPT2-220*242.2*6.3
DPT2-230*252.2*6.3
DPT2-240*262.2*6.3 |
250
260
270 | 272.2
282.2
292.2 | 13.5
13.5
13.5 | 6.3
6.3
6.3 | 4.2
4.2
4.2 | DPT2-250*272.2*6.3
DPT2-260*282.2*6.3
DPT2-270*292.2*6.3 |
275
280
290 | 297.2
302.2
312.2 | 13.5
13.5
13.5 | 6.3
6.3
6.3 | 4.2
4.2
4.2 | DPT2-275*297.2*6.3
DPT2-280*302.2*6.3
DPT2-290*312.2*6.3 |
295
300
320 | 317.2
333
353 | 13.5
18.4
18.4 | 6.3
8.1
8.1 | 4.2
6.3
6.3 | DPT2-295*317.2*6.3
DPT2-300*333*8.1
DPT2-320*353*8.1 |
340
350
360 | 373
383
393 | 18.4
18.4
18.4 | 8.1
8.1
8.1 | 6.3
6.3
6.3 | DPT2-340*373*8.1
DPT2-350*383*8.1
DPT2-360*393*8.1 |
Company Features1. Dms Seals Technology Co.,limited has decades of successful experience in hydraulic piston cup seals marketing and development. Our factory runs with the help of a series of manufacturing facilities. They are of high quality and comply with international standards. They can improve the whole efficiency of the factory.
2. Our factory is located in a place that is near to the railroad, highway, and ports. This enables us to shorten the shipment distance and cut the load and unload times during transport links, which eventually helps cut transportation costs.
3. The modern workshop is equipped with sophisticated production facilities. These facilities have been certified under safety and quality standards. This laid a solid base for us to provide clients with high-quality products. We are fully aware of the importance of sustainable development. We believe that people pursue in our activities, save resources, protect the environment and help our products promote social progress.