DMS Seals DMS Seals hydraulic cylinder packing material to high and low speed

Company Advantages
1. DMS Seals is subjected to different testing standards (electrical safety, temperature, shock, and vibration tests) in various environmental conditions (humidity, temperature, pressure). Seal we produced has applications in a wide range of fields
2. The production methods of Dms Seals Technology Co.,limited are conducive to resource conservation and environmental protection. DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of seals
3. has long service life and many other technical superiorities, is especially suitable for hydraulic cylinder packing material field. The R&D teams have the ability to design and develop seals for various of complicated working condition of sealing system
4. hydraulic cylinder packing material featured when compared with other similar products. DMS O Ring Manufacturers strictly follows the ISO9001 international quality certification system for production management
5. hydraulic cylinder packing material is highly prized for its high performance and such qualities as . We have developed solutions of the sealing of special working condition

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 a group of professional and technical personnel with rich practical experience.
2. To fulfill the responsibility for the environment, we will manage the natural resources in the most effective and efficient way. We will introduce highly effective manufacturing facilities to help us achieve this goal.