custom hydraulic oil seal o ring for piston and hydraulic cylinder

Company Advantages
1. The well-selected materials guarantee the quality of hydraulic oil seal . DMS Seals implements and optimizes its quality control systems
2. The product has the potential to allow huge improvements and savings in terms of saving people's lives through increased efficiency and effectiveness. DMS Seals takes the lead in grasping the development trend of the industry
3. Our skilled professionals supervise the quality control throughout the production, greatly guaranteeing the quality of the product. DMS O Ring Manufacturers strictly follows the ISO9001 international quality certification system for production management
4. This product is more efficient as it is produced with advanced technology. DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of seals
5. We pay high attention to the whole production of to seek high quality. 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. Dms Seals Technology Co.,limited has rich factory experience for high quality hydraulic oil seal and is highly recognized by customers. As a well-developed glyd ring supplier, DMS Seal Manufacturer introduces high-end technology for production.
2. The DMS Seal Manufacturer R&D department enables us to produce new products to meet the professional customization needs of our customers.
3. DMS Seal Manufacturer enjoys a great reputation because of its highly innovative technologies. Helping customers succeed is a source of motivation for Dms Seals Technology Co.,limited. Get quote!