DMS SEALS TECHNOLOGY CO.,LIMITED

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DMS Seal Manufacturer Brand piston seal oring ptfe piston seals

DMS Seal Manufacturer Brand piston seal oring ptfe piston seals

Diameter Range
3-1600mm
Pressure Range
0-35MPa
Temperature Range
-30℃+120℃
Speed
0.5m/s
Medium
petroleum base hydraulic oil,nonflammable hydraulic oil, environmental protection hydraulic oil
Price
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Company Advantages
1. The piston seals facility can pneumatic piston seals and you can specify hydraulic piston seals sizes.DMS Seals manufacturer owns a team of professional R&D group and skilled technicians
2. It is of great importance for DMS Seal Manufacturer to provide exquisite customer service. DMS Seals provides professional design and production of high-grade o-ring seals
3. hydraulic piston seals is designed by domestic top designers and independent R&D teams.
Installation Recommendation

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Application and properties

DBM/TPM is a double acting sealing and guiding element, Consisting of an elastomer, two back-up rings and two guide rings. Dynamic and static properties of the elastomer play a good sealing role, The back-up ring prevents the elastomer from being squeezed into the sealing gap, the function of the guide ring is to guide the piston in the cylinder and absorb the radial force. The sealing is mainly used for piston and hydraulic cylinder, such as bulldozers, excavators, loaders, hydraulic gates and agricultural machinery.

Standard materials

Guide ring: filled PTFE / PA

Back-up ring: TPU polymer

Elastomer: NBR

Working Conditions

Working  Conditions

Diameter Range

Pressure Range

Temperature Range

Speed

Medium

3-1600mm

0-35MPa

-30℃+120℃

0.5 m/s

petroleum base hydraulic oil,nonflammable hydraulic oil, environmental protection hydraulic oil

Installation Dimensions

Cylinder Dia.

Groove Size

Order No.

DN H9

d1

L1 +0.2

d2 h9

d3 h11

L2 +0.1

20
22
25

11
13
15

13.5
13.5
12

17
19
21

19
21
23

2.1
2.1
4

TPM20*11*13.5*2.1
TPM22*13*13.5*2.1
TPM25*15*12*4

25
25
25

15
15
16

12.5
16.4
13.5

22
21.45
22

24
23.5
24

4
6.35
2.1

TPM25*15*12.5*4
TPM25*15*16.4*6.35
TPM25*16*13.5*2.1

28
30
30

19
17
21

13.5
15.4
13.5

25
26.5
27

27
28.5
29

2.1
6.35
2.1

TPM28*19*13.5*2.1
TPM30*17*15.4*6.35
TPM30*21*13.5*2.1

32
32
35

22
22
25

15.5
16.4
15.5

28
28.5
31

31
30.5
34

2.6
6.35
2.6

TPM32*22*15.5*2.6
TPM32*22*16.4*6.35
TPM35*25*15.5*2.6

35
40
40

25
24
26

16.4
18.4
15.5

31.4
35.4
36

33.5
38.5
39

6.35
6.35
2.6

TPM35*25*16.4*6.35
TPM40*24*18.4*6.35
TPM40*26*15.5*2.6

40
40
40

30
30
30

12.5
12.5
16.4

36
37
35.4

38
39
38.5

4
4
6.35

TPM40*30*12.5*4
TPM40*30*12.5*4
TPM40*30*16.4*6.35

42
45
45

28
29
31

15.5
18.4
15.5

38
40.4
41

41
43.5
44

2.6
6.35
2.6

TPM42*28*15.5*2.6
TPM45*29*18.4*6.35
TPM45*31*15.5*2.6

45
50
50

35
34
34

16.4
18.4
20.5

40.4
45.4
46

43.5
48.5
49

6.35
6.35
3.1

TPM45*35*16.4*6.35
TPM50*34*18.4*6.35
TPM50*34*20.5*3.1

55
55
56

39
39
40

18.4
20.5
20.5

50.36
51
52

53.5
54
55

6.35
3.1
3.1

TPM55*39*18.4*6.35
TPM55*39*20.5*3.1
TPM56*40*20.5*3.1

60
60
63

44
44
47

18.4
20.5
18.4

55.4
56
58.4

58.5
59
61.5

6.35
3.1
6.35

TPM60*44*18.4*6.35
TPM60*44*20.5*3.1
TPM63*47*18.4*6.35

63
63
65

47
47
49

19.4
20.5
20.5

58.4
59
61

61.5
62
64

6.35
3.1
3.1

TPM63*47*19.4*6.35
TPM63*47*20.5*3.1
TPM65*49*20.5*3.1

65
70
70

50
50
54

18.4
22.4
20.5

60.4
64.2
66

63.5
68.3
69

6.35
6.35
3.1

TPM65*50*18.4*6.35
TPM70*50*22.4*6.35
TPM70*54*20.5*3.1

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Installation Dimensions

Company Features
1. piston seals is developed using latest technology support for pneumatic piston seals.
2. Relentless pursuit of quality excellence is significant to Dms Seals Technology Co.,limited. Inquiry!
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