custom rotary seals manufacturer o ring for larger piston clearance

Company Advantages
1. rotary seals manufacturer use design for better performance and long service life. DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of seals
2. By rationally arranging talent and equipment resources, the products can be optimally manufactured or increased in output rate. DMS o-ring seal has advanced machines and equipment for its production
3. The product has the advantage of abrasion resistance. It has the ability to resist abrasion caused by scraping or rubbing. We have developed solutions of the sealing of special working condition
4. The product does not collect dirt. The surface of this product is smooth enough to prevent the build-up of the dirt. Quality control of the seals is the basis for DMS Seals
5. Featuring reusability, this product is environmental-friendly. Unlike the single-use ones, this one adds no pollution burden to the land or water source. The high pressure seals have strong wear resistance to hard conditions

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. As a reliable manufacturer, Dms Seals Technology Co.,limited plays an important role in the global rotary seals manufacturer market.
2. The core competitiveness for Dms Seals Technology Co.,limited lies in its technology.
3. We have a clear mission. We put a high emphasis on research, development and innovation activities and aim to constantly provide our customers with the best solutions for productivity, transparency, and quality. Inquiry!