Product Comparison
O-ring Seal has the following advantages: well-chosen materials, reasonable design, stable performance, excellent quality, and affordable price. Such a product is up to the market demand.Compared with other products in the industry, O-ring Seal has more obvious advantages which are reflected in the following aspects.
Company Advantages1. DMS Seals piston washer meets the regulatory requirements of the textile market. It has been scrutinized on the fiber strength, fiber stiffness, weaving fineness, seam force, moisture permeability.
2. DMS Seals piston washer is shipped with a professional transport package. Full-round protection foam and high-quality carton or wooden box will be used to protect such fragile sanitary ware.
3. DMS Seals has passed the tests required in the industry. They include a hipot test, leakage current test, insulation resistance test, etc.
4. The safety of DMS Seals is guaranteed by the standards it passed. This product is fabricated complying with EMC standards, electric compatibility standards, and overload protection.
5. The product is safe to use. It is formulated from healthy, nontoxic ingredients that have been tested to be free of harmful substances.
6. The product is not subject to paint-shedding nor its finish being scratched mainly thanks to its finely surface treatment.
7. The product features high precision in sizes and shapes. It is finely processed by advanced CNC machines without occurring errors.
8. This product has strong colorfastness. It undergoes the thermal treatment and post curing for a long-lasting finish and colors.
9. In piston washer product development, Dms Seals Technology Co.,limited has a number of industry leading engineers.
10. piston washer from Dms Seals Technology Co.,limited has been positively affirmed by society and costumer.
11. Dms Seals Technology Co.,limited is a professional manufacturer and exporter that is concerned with the design,development and production of and .
12. Identifying the competitive advantage for itself and sustaining it is at the heart of Dms Seals Technology Co.,limited.
13. The excellent quality control throughout all stages of piston washer production ensures top quality.
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. DMS Seals has been winning the piston washer market since its establishment. Dms Seals Technology Co.,limited ranks the first nationwide in producing buy hydraulic seals . Dms Seals Technology Co.,limited has served globe market with hydraulic seals companies for more than decades of years. DMS Seals is now highly recognized and praised by domestic and foreign customers. It is widely believed that DMS Seals has become a well-known exporter on the market.
2. Our marketing teams have explored and expanded overseas markets throughout the world. We have established cooperation with many clients, and among many of them are world-famous brands. The factory carries out strict quality and production management control systems. These systems require all of the incoming materials, parts, production techniques, and packaging ways to be tested and controlled to meet standards. We have invested a series of advanced production facilities. By utilizing these machines, we can put close eyes on our production, minimizing delays and allowing flexibility in delivery schedules. Our factory is strategically located. It is close to the local airport and port, seizing a cost-competitive location for distribution in the international markets.
3. Dms Seals Technology Co.,limited is committed to becoming a sustainable company in safety seal piston ring company field. Get more info! Among all same type of companies, Dms Seals Technology Co.,limited provides best service for our customers. Get more info! What is the most important to DMS Seals is that we should hold on to the goal of hydraulic oil seal manufacturers . Get more info! We will seize any possible opportunity to improve and optimize our service for cylinder packing kits . Get more info! The development track of Dms Seals Technology Co.,limited cannot be separated from a center. This center is a customer. Get more info!
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