Company Advantages1. We have developed solutions of the sealing of special working condition. As one of the unique feature, pneumatic piston seals successfully makes hydraulic piston seals sizes more popular among customers. We have developed solutions of the sealing of special working condition
2. Dms Seals Technology Co.,limited, well-known for its superior quality, will provide first-class service. DMS Seals manufacturer owns a team of professional R&D group and skilled technicians
3. The offered range is widely praised among customers for its durability and piston seals. We can support OEM and ODM
Installation Recommendation
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Application and properties
Apply to cylinder piston, consisting of a seal ring, an O-Ring, a pair of retaining rings and a pair of guide sleeves.
The seal ring and cylinder bore conforming to be a symmetric section to achieve the sealing performance, with double acting sealing performance.
Sealing ring: filled PTFE
O-Ring: NBR / FKM
Back-up ring: filled PTFE / PA
Guide ring: filled PTFE / PA
Working Conditions
Working Conditions |
Diameter Range | Pressure Range | Temperature Range | Speed | Medium |
3-1600mm | 0-45MPa | -30℃+200℃ | 1 m/s | hydraulic oil, flame retardant liquid, water and others |
Installation Dimensions
D | d | b | d2 | d3 | a | c | f | e | Order No. |
40
45
50 | 26
31
34 | 32
32
39 | 32
37
42 | 36
41
46 | 3.5
3
3 | 15.5
15.5
20.5 | 8.25
8.25
9.25 | 7
7
7 | DDKK40*26*32
DDKK45*31*32
DDKK50*34*39 |
56
60
63 | 40
44
47 | 39
39
39 | 48
52
55 | 52
56
59 | 3
3
3 | 20.5
20.5
20.5 | 9.25
9.25
9.25 | 7
7
7 | DDKK56*40*39
DDKK60*44*39
DDKK63*47*39 |
65
70
75 | 49
54
59 | 39
39
39 | 57
62
67 | 61
66
71 | 3
3
3 | 20.5
20.5
20.5 | 9.25
9.25
9.25 | 7
7
7 | DDKK65*49*39
DDKK70*54*39
DDKK75*59*39 |
80
85
90 | 62
67
72 | 43
43
43 | 72
77
82 | 76
81
86 | 3
3
3 | 22.5
22.5
22.5 | 10.25
10.25
10.25 | 7
7
7 | DDKK80*62*43
DDKK85*67*43
DDKK90*72*43 |
95
100
105 | 77
82
87 | 43
43
43 | 87
92
97 | 91
96
101 | 3
3
3 | 22.5
22.5
22.5 | 10.25
10.25
10.25 | 7
7
10 | DDKK95*77*43
DDKK100*82*43
DDKK105*87*43 |
110
115
120 | 92
97
102 | 43
43
43 | 102
107
112 | 106
111
116 | 3
3
3 | 22.5
22.5
22.5 | 10.25
10.25
10.25 | 10
10
10 | DDKK110*92*43
DDKK115*97*43
DDKK120*102*43 |
125
130
140 | 103
108
118 | 53
53
53 | 115
120
130 | 121
126
136 | 4
4
4 | 26.5
26.5
26.5 | 13.25
13.25
13.25 | 10
10
10 | DDKK125*103*53
DDKK130*108*53
DDKK140*118*53 |
150
160
165 | 128
138
143 | 53
53
57 | 140
150
155 | 146
156
161 | 4
4
6 | 26.5
26.5
26.5 | 13.25
13.25
15.25 | 10
10
10 | DDKK150*128*53
DDKK160*138*53
DDKK165*143*57 |
170
180
190 | 148
158
165 | 57
57
64 | 160
170
180 | 166
176
186 | 6
6
4.5 | 26.5
26.5
31.5 | 15.25
15.25
16.25 | 10
10
10 | DDKK170*148*57
DDKK180*158*57
DDKK190*165*64 |
195
200
210 | 170
175
185 | 64
64
71 | 185
190
200 | 191
196
206 | 4.5
4.5
8 | 31.5
31.5
31.5 | 16.25
16.25
19.75 | 10
10
12 | DDKK195*170*64
DDKK200*175*64
DDKK210*185*71 |
Company Features1. Fully specialized in the R&D and production of piston seals, Dms Seals Technology Co.,limited is globally recognized.
2. There is strict testing for quality of hydraulic piston seals to make satisfying products for customers.
3. Our o-ring seal have been well sold to all over the world known as its pneumatic piston seals. Call!