DMS Seals Top hydraulic cylinder gaskets supply for pressure work and sliding high speed occasions

Company Advantages
1. During the DMS Seals manufacturing process, diverse stages are involved. They mainly cover preparation for design (foot type collection), graphic design, pattern cutting, machining, and surface & edges trimming. DMS Seals provides professional design and production of high-grade o-ring seals
2. The product is highly appreciated and consistently meets the needs of the customers. DMS Seal manufacturer was established in 2008 and now has more than 10 years professional experience
3. The product is of good quality and excellent performance. DMS Seal manufacturer provides good quality and competitive price hydraulic seals

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. Since its establishment, Dms Seals Technology Co.,limited has been a trusted manufacturer, providing high-quality products such as . The factory is situated in a hub where transportation and logistics are quite convenient. The location's advantage brings benefits to cutting both delivery time and transportation costs.
2. Our manufacturing plant is equipped with advanced machinery including 3D design and CNC machines. These machines enable us to manufacture the highest quality products by adopting the latest manufacturing techniques.
3. With years of development, we have established a cooperative relationship with many customers around the world, such as Asia, Europe, and America. We have also opened up many new markets such as Central Europe and Northern Europe. We work hard on aligning production more closely to the principles of sustainability. We'll consider introducing cutting-edge facilities to reduce resource consumption, such as water, electricity, and product materials.