DMS Seals high quality air piston seal factory for pressure work and sliding high speed occasions

Company Advantages
1. The circuit board of DMS Seals air piston seal is designed by adopting different technologies. It is carried out with the help of CAD and CAM software. To reduce costs with high-efficiency work is the DMS's purpose
2. Since the product was put into the market, it has received good comments from customers. We can support OEM and ODM
3. Thanks to the function of , air piston seal is warmly welcomed in market. DMS Seals takes the lead in grasping the development trend of the industry

1. Installation Recommendation 

2. Installation Sizes

Rod 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
3-7.9	8-18.9	-	dN+4.9	2.2	0.4	0.3	0.20	0.15	1.78
8-18.9	19-37.9	-	dN+7.3	3.2	0.6	0.4	0.25	0.15	2.62
19-37.9	38-199.9	8-18.9	dN+10.7	4.2	1.0	0.4	0.25	0.20	3.53
38-199.9	200-255.9	19-37.9	dN+15.1	6.3	1.3	0.5	0.30	0.20	5.33
200-225.9	256-649.9	38-199.9	dN+20.5	8.1	1.8	0.6	0.35	0.25	7.00
256-649.9	650-999.9	200-255.9	dN+24.0	8.1	1.8	0.6	0.35	0.25	7.00
650-999.9	≥1000.0	256-649.9	dN+27.3	9.5	2.5	0.7	0.50	0.30	8.40
≥1000.0	-	650-999.9	dN+38.0	13.8	3.0	1.0	0.70	0.60	12.00

3. Application and properties

Applicable to high and low speed reciprocating motion environment, a wide range of fluids and high temperature condition. Suitable for larger gap of piston rod. Low friction, simple groove, be able to work in themedium with oil spots. 

Meet the standard of GB/T 15242.3.

 

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, gas

 

6. Installation Dimensions

Rod Dia.	Groove Dia.	Groove Width	Order No.	O-Ring Dimensions
DN h9	D1 H9	L1+0.2
20 20 22	27.3 30.7 29.3	3.2 4.2 3.2	GSI20*27.3*3.2 GSI20*30.7*4.2 GSI22*29.3*3.2	21.89*2.62 25.0*3.53 25.07*2.62
22 24 25	32.7 31.3 32.3	4.2 3.2 3.2	GSI22*32.7*4.2 GSI24*31.3*3.2 GSI25*32.3*3.2	26.57*3.53 26.64*2.62 28.24*2.62
25 26 28	35.7 36.7 35.3	4.2 4.2 3.2	GSI25*35.7*4.2 GSI26*36.7*4.2 GSI28*35.3*3.2	29.74*3.53 29.74*3.53 29.82*2.62
28 30 30	38.7 37.3 40.7	4.2 3.2 4.2	GSI28*38.7*4.2 GSI30*37.3*3.2 GSI30*40.7*4.2	32.92*3.53 32.99*2.62 34.52*3.53
32 32 35	39.3 42.7 42.3	3.2 4.2 3.2	GSI32*39.3*3.2 GSI32*42.7*4.2 GSI35*42.3*3.2	34.59*2.62 36.09*3.53 37.77*2.62
35 36 36	45.7 43.3 46.7	4.2 3.2 4.2	GSI35*45.7*4.2 GSI36*43.3*3.2 GSI36*46.7*4.2	37.69*3.53 39.34*2.62 40.87*3.53
38 38 40	48.7 53.1 50.7	4.2 6.3 4.2	GSI38*48.7*4.2 GSI38*53.1*6.3 GSI40*50.7*4.2	40.87*3.53 43.82*5.33 44.04*3.53

Company Features
1. Dms Seals Technology Co.,limited, focusing on the production and R&D of air piston seal , is famous at home and abroad. Dms Seals Technology Co.,limited has obtained ISO14001 environmental management system .
2. We are proud to say that piston oil seal is made to be eco-friendly and natural.
3. The equipment of leading machines and advanced technology ensure the development, test and inspection of cylinder packing kits . In years of manufacturing, we have recognized that protecting natural resources, promoting conservation, and improving the environment are fundamentally important to the quality of life and essential to sustaining a vibrant economy. We will become a global leader in environmental sustainability, becoming a model environmentally friendly manufacturer in managing solid waste, energy, water, and air. Contact us!