Company Advantages1. The development of DMS Seals piston washer is considered from the perspective of green design. DMS Seal manufacturer was established in 2008 and now has more than 10 years professional experience
2. Our customers say the product fits properly with their machines without any leakage problem, and they have a plan to repurchase more for backup. The high pressure seals have strong wear resistance to hard conditions
3. The product offers superb sound reduction properties. This is achieved using dense cladding, adding internal insulation materials within the panels. The R&D teams have the ability to design and develop seals for various of complicated working condition of sealing system
4. The product is safe enough to use. The dangers of electric leakage have been eliminated during production and all electrical components complying with relevant standards of EN or IEC. High-end talents and advanced technology have enabled DMS
o-ring seal quality to reach the industry's leading level
Installation Recommendation
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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 |
8-16.9 | 17-26.9 | -- | DN-4.9 | 2.2 | 0.4 | 0.30 | 0.20 | 0.15 | 1.78 |
17-26.9 | 27-59.9 | -- | DN-7.3 | 3.2 | 0.6 | 0.40 | 0.25 | 0.15 | 2.62 |
27-59.9 | 60-199.9 | 17-26.9 | DN-10.7 | 4.2 | 1.0 | 0.50 | 0.30 | 0.20 | 3.53 |
60-199.9 | 200-255.9 | 27-59.9 | DN-15.1 | 6.3 | 1.3 | 0.70 | 0.40 | 0.25 | 5.33 |
200-255.9 | 256-669.9 | 60-199.9 | DN-20.5 | 8.1 | 1.8 | 0.80 | 0.60 | 0.35 | 7.00 |
256-669.9 | 670-999.9 | 200-669.9 | DN-24.0 | 8.1 | 1.8 | 0.90 | 0.70 | 0.40 | 7.00 |
670-999.9 | -- | 256-669.9 | DN-28.0 | 9.5 | 2.5 | 1.00 | 0.80 | 0.60 | 8.40 |
-- | 1000-2000 | -- | DN-28.0 | 9.5 | 2.5 | 1.00 | 0.80 | 0.60 | 8.40 |
-- | -- | 670-999.9 | DN-38.0 | 13.8 | 3.0 | 1.20 | 0.90 | 0.60 | 12.00 |
1000-2700 | -- | -- | DN-38.0 | 13.8 | 3.0 | 1.20 | 0.90 | 0.60 | 12.00 |
Application and properties
Standard single acting sealing. Suitable for reciprocating environment, allowing larger extrusion clearances, has wide application. Dynamic and static sealing property are good, be able to work in dusty condition. Low friction, simple groove, strong adaptability to work conditions.
Sealing ring: filled PTFE
O-ring: NBR / FKM
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 |
Installation Dimensions
Bore Dia. | Groove Dia. | Width | Order No. | O-ring Dimension |
D H9 | d1 h9 | L1+0.2 |
9
10
12 | 4.1
5.1
7.1 | 2.2
2.2
2.2 | GSD9*4.1*2.2
GSD10*5.1*2.2
GSD12*7.1*2.2 | 3.68*1.78
4.80*1.8
6.70*1.8 |
15
18
20 | 10.1
10.7
15.1 | 2.2
3.2
2.2 | GSD15*10.1*2.2
GSD18*10.7*3.2
GSD20*15.1*2.2 | 9.25*1.78
9.19*2.62
14.0*1.78 |
20
22
25 | 12.7
14.7
17.7 | 3.2
3.2
3.2 | GSD20*12.7*3.2
GSD22*14.7*3.2
GSD25*17.7*3.2 | 12.37*2.62
13.94*2.62
17.12*2.62 |
27
28
30 | 16.3
17.3
19.3 | 4.2
4.2
4.2 | GSD27*16.3*4.2
GSD28*17.3*4.2
GSD30*19.3*4.2 | 15.47*3.53
16.4*3.53
18.66*3.53 |
32
32
35 | 24.7
21.3
24.3 | 3.2
4.2
4.2 | GSD32*24.7*3.2
GSD32*21.3*4.2
GSD35*24.3*4.2 | 23.47*2.62
20.22*3.53
23.40*3.53 |
36
38
40 | 25.3
27.3
32.7 | 4.2
4.2
3.2 | GSD36*25.3*4.2
GSD38*27.3*4.2
GSD40*32.7*3.2 | 24*3.53
26*3.53
31.42*2.62 |
40
45
48 | 29.9
34.3
37.3 | 4.2
4.2
4.2 | GSD40*29.3*4.2
GSD45*34.3*4.2
GSD48*37.3*4.2 | 28.17*3.53
32.92*3.53
36.09*3.53 |
50
50
52 | 39.3
34.9
41.3 | 4.2
6.3
4.2 | GSD50*39.3*4.2
GSD50*34.9*6.3
GSD52*41.3*4.2 | 37.70*3.53
32.69*5.33
40.87*3.53 |
55
60
63 | 44.3
44.9
52.3 | 4.2
6.3
4.2 | GSD55*44.3*4.2
GSD60*44.9*6.3
GSD63*52.3*4.2 | 44.04*3.53
43.82*5.33
50.39*3.53 |
63
64
65 | 47.9
48.9
49.9 | 6.3
6.3
6.3 | GSD63*47.9*6.3
GSD64*48.9*6.3
GSD65*49.9*6.3 | 46.99*5.33
46.99*5.33
46.99*5.33 |
70
70
75 | 59.3
54.9
59.9 | 4.2
6.3
6.3 | GSD70*59.3*4.2
GSD70*54.9*6.3
GSD75*59.9*6.3 | 56.74*3.53
53.34*5.33
56.52*5.33 |
80
80
85 | 64.9
59.5
69.9 | 6.3
8.1
6.3 | GSD80*64.9*6.3
GSD80*59.5*8.1
GSD85*69.9*6.3 | 62.87*5.33
58*7.0
69.22*5.33 |
90
90
95 | 74.9
69.5
79.9 | 6.3
8.1
6.3 | GSD90*74.9*6.3
GSD90*69.5*8.1
GSD95*79.9*6.3 | 72.39*5.33
68*7.0
78.74*5.33 |
95
100
100 | 74.5
84.9
79.5 | 8.1
6.3
8.1 | GSD95*74.5*8.1
GSD100*84.9*6.3
GSD100*79.5*8.1 | 73*7.0
81.92*5.33
78*7.0 |
110
120
125 | 94.9
104.9
104.5 | 6.3
6.3
6.3 | GSD110*94.9*6.3
GSD120*104.9*6.3
GSD125*109.9*6.3 | 91.44*5.33
104.14*5.33
107.32*5.33 |
Company Features1. Dms Seals Technology Co.,limited is an experienced and leading-edge Chinese company. We are skilled in designing and manufacturing . Our global reach is broad, but our service is personalized. We forge close partnerships with customers, understand their needs in detail, and adapt our services for an exact fit.
2. Dms Seals Technology Co.,limited has been rigorously selecting high tech and new eco-friendly piston washer .
3. Our factory is next to the raw materials vendors/suppliers. This will further reduce the transportation cost of incoming materials and the lead-time of the inventory replenishment. We perform social responsibility in our business operation. One of our primary focus is the environment. We take steps to reduce carbon footprints, which is good for both the company and society.