DMS Seals Wholesale polyurethane piston seals factory for light and medium hydraulic systems

Company Advantages
1. DMS Seals is produced under a complete sophisticated production process, including forging and pressing, mechanical processing, cleaning, and surface treating.
2. DMS Seals polyurethane piston seals is produced after several stages. It has to go through a mining process which includes the ore crushing, grinding, and refining.
3. Strict quality inspection for DMS Seals will be conducted during the entire production process. The product is scrutinized for the depth of cut, wood density, edge cutting, end cutting, and other aspects.
4. The raw materials of DMS Seals polyurethane piston seals are sourced from reliable mining companies who offer practical mineral beneficiation solutions for our company for many years.
5. DMS Seals has a scientific design. It is made according to environmental/climatic factors such as light, temperature, wind, sound, touch or with occupant/user needs.
6. The product features desirable safety. The ammonia refrigerant used has a characteristic odor that can be detected by humans even at very low concentrations.
7. The product has a smooth surface. Its smooth coating helps minimizes friction the surface and enhance resistance to corrosion.
8. The product contains almost no microbial contaminants. Because the whole production is conducted in a dust-free workshop, there is less likely to produce microorganism.
9. Premium hardware is adopted for better hardness and firmness. It is less subject to deformation during the high-temperature grilling.
10. This product has the advantages of weather protection, air retention, and mildew resistance. The materials used in it is degumming, and water resistant.
11. Dms Seals Technology Co.,limited is a company specializing in the production and processing of polyurethane piston seals .
12. High quality for polyurethane piston seals is not checked by us and commented by our customers.
13. Dms Seals Technology Co.,limited promotes a positive brand image with its superior customer service.

1. Installation Recommendation 

2. Installation Sizes

Bore Diameter                         DN H9			Groove Diameter	Groove Width	Radius	Radial Clearance                S max.			O-Ring Cross-Section
Standard Application	Light Application	Heavy Duty Application	d1 h9	L1+0.2	R1	10MPa	20MPa	40MPa	d2
8-14.9	15-39.9	-	DN-4.9	2.2	0.4	0.3	0.20	0.15	1.78
15-39.9	40-79.9	-	DN-7.5	3.2	0.6	0.4	0.25	0.15	2.62
40-79.9	80-132.9	15-39.9	DN-11.0	4.2	1.0	0.4	0.25	0.20	3.53
80-132.9	133-329.9	40-79.9	DN-15.5	6.3	1.3	0.5	0.30	0.20	5.33
133-329.9	330-699.9	80-132.9	DN-21.0	8.1	1.8	0.6	0.35	0.25	7.00
330-669.9	670-99.9	133-329.9	DN-24.5	8.1	1.8	0.6	0.35	0.25	7.00
670-999.9	≥1000	330-669.9	DN-28.0	9.5	2.5	0.7	0.50	0.30	8.40
≥1000	≥1000	≥1000	DN-38.0	13.8	3.0	1.0	0.70	0.60	12.00

3. Application and properties

Standard double acting seal. Suitable for reciprocating motion, allowing larger extrusion clearances, has wide application. Dynamic and static sealing property are excellent, be able to work in dusty condition. Low friction, simple groove, strong adaptability to work conditions.

4. Standard materials

Sealing ring: filled PTFE

O-Ring: NBR / FKM

5. Working Conditions

Working  Conditions
Diameter Range	Pressure Range	Temperature Range	Speed	Medium
3 - 1600mm	0 - 60MPa	-45℃ +200℃	15 m/s	hydraulic oil, flame retardant liquid, water and others

6. Installation Dimensions

Bore Dia.	Groove Dia.	Groove Width	Order No.	O-Ring Dimensions
DN H9	d1 h9	L1+0.2
8 10 12	3.1 5.1 7.1	2.2 2.2 2.2	GSF8*3.1*2.2 GSF10*5.1*2.2 GSF12*7.1*2.2	2.90*1.78 4.80*1.8 6.70*1.8
14 15 15	9.1 10.1 7.5	2.2 2.2 3.2	GSF14*9.1*2.2 GSF15*10.1*2.2 GSF15*7.5*3.2	8.75*1.8 7.59*2.62 8.75*1.8
16 16 18	11.1 8.5 13.1	2.2 3.2 2.2	GSF16*11.1*2.2 GSF16*8.5*3.2 GSF18*13.1*2.2	10.82*1.78 7.59*2.62 12.42*1.78
18 20 20	10.5 15.1 12.5	3.2 2.2 3.2	GSF18*10.5*3.2 GSF20*15.1*2.2 GSF20*12.5*3.2	9.19*2.62 14.00*1.78 12.37*2.62
24 24 25	19.1 16.5 17.5	2.2 3.2 3.2	GSF24*19.1*2.2 GSF24*16.5*3.2 GSF25*17.5*3.2	18.77*1.78 15.54*2.62 17.12*2.62
25 28 28	14 20.5 17	4.2 3.2 4.2	GSF25*14*4.2 GSF28*20.5*3.2 GSF28*17*4.2	13.87*3.53 20.29*2.62 15.47*3.53
30 30 32	22.5 19 24.5	3.2 4.2 3.2	GSF30*22.5*3.2 GSF30*19*4.2 GSF32*24.5*3.2	21.89*2.62 26.70*1.78 23.47*2.62

Company Features
1. DMS Seals is responsible for polyurethane piston seals business, and is the leading provider . As a major research and development enterprise of China’s hydraulic cylinder seals and wipers , Dms Seals Technology Co.,limited occupies a leading position in the industry. Dms Seals Technology Co.,limited has been stable in the piston lip seal market over the years.
2. DMS Seals performs high-tech methods to ensure the quality of hydraulic sealing solutions . DMS Seals is equipped with high technology to guarantee the quality of polyurethane hydraulic seals . Applying the high technology is conducive to the efficient production of hydraulic piston seals .
3. DMS Seals is known for its superb service. Check now! Dms Seals Technology Co.,limited actively contributes to the industry, be proud of the work, and be proud of the achievements. Check now! Dms Seals Technology Co.,limited creates value for our clients and helps them to gain benefits. Check now! The rubber piston rings of Dms Seals Technology Co.,limited represents our strong production capacity. Check now!

DMS Seals Wholesale polyurethane piston seals factory for light and medium hydraulic systems

polyurethane piston seals

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