Company Advantages1. The newly launched products by Dms Seals Technology Co.,limited were all completed by the internationally renowned design company. DMS Seals' production equipment and test equipment are on the leading level in the industry
2. All relative certificates to guarantee quality will be provided by Dms Seals Technology Co.,limited. DMS Seals provides professional design and production of high-grade o-ring seals
3. DMS Seals manufacturer owns a team of professional R&D group and skilled technicians. Having pneumatic piston seals and excellent, piston seals,hydraulic piston seals sizes is one of the popular essentials of hydraulic piston seals.
Installation Recommendation

Application and properties
Suitable for light and medium hydraulic systems, also be used for pneumatic equipment. Low friction, no crawling phenomenon.
Sealing ring: filled PTFE
O-Ring: NBR / FKM
Working Conditions
Working Conditions |
Diameter Range | Pressure Range | Temperature Range | Speed | Medium |
3-1600mm | 0-35MPa | -30℃+200℃ | 1.5 m/s | hydraulic oil, flame retardant liquid, water and others. |
Installation Dimensions
Nominal Size of Packing, and Housing dimensions | L +0.2 | Order No. |
d | D | H |
28
28.4
30 | 22
22.4
24 | 4.4
4.4
4.4 | 4.7
4.7
4.7 | SPGC28*22*4.7
SPGC28.4*22.4*4.7
SPGC30*24*4.7 |
31
31.5
34 | 25
25.5
28 | 4.4
4.4
4.4 | 4.7
4.7
4.7 | SPGC31*25*4.7
SPGC31.5*25.5*4.7
SPGC34*28*4.7 |
35
35.5
36 | 29
29.5
30 | 4.4
4.4
4.4 | 4.7
4.7
4.7 | SPGC35*29*4.7
SPGC35.5*29.5*4.7
SPGC36*30*4.7 |
37
37.5
38 | 31
31.5
32 | 4.4
4.4
4.4 | 4.7
4.7
4.7 | SPGC37*31*4.7
SPGC37.5*31.5*4.7
SPGC38*32*4.7 |
40
41
41.5 | 34
35
35.5 | 4.4
4.4
4.4 | 4.7
4.7
4.7 | SPGC40*34*4.7
SPGC41*35*4.7
SPGC41.5*35.5*4.7 |
42
44
45 | 36
38
39 | 4.4
4.4
4.4 | 4.7
4.7
4.7 | SPGC42*36*4.7
SPGC44*38*4.7
SPGC45*39*4.7 |
46
47
48 | 40
41
42 | 4.4
4.4
4.4 | 4.7
4.7
4.7 | SPGC46*40*4.7
SPGC47*41*4.7
SPGC48*42*4.7 |
50
51
52 | 44
45
46 | 4.4
4.4
4.4 | 4.7
4.7
4.7 | SPGC50*44*4.7
SPGC51*45*4.7
SPGC52*46*4.7 |
54
55
56 | 48
49
50 | 4.4
4.4
4.4 | 4.7
4.7
4.7 | SPGC54*48*4.7
SPGC55*49*4.7
SPGC56*50*4.7 |
58
60
62 | 48
50
52 | 4.4
4.4
4.4 | 4.7
4.7
4.7 | SPGC58*48*4.7
SPGC60*50*4.7
SPGC62*52*4.7 |
63
65
66 | 53
55
56 | 4.4
4.4
4.4 | 4.7
4.7
4.7 | SPGC63*53*4.7
SPGC65*55*4.7
SPGC66*56*4.7 |
68
70
72 | 58
60
62 | 7.0
7.0
7.0 | 7.5
7.5
7.5 | SPGC68*58*7.5
SPGC70*60*7.5
SPGC72*62*7.5 |
Company Features1. Please Contact Us! DMS Seal Manufacturer's piston seals, pneumatic piston seals, hydraulic piston seals sizes Have The Features Of High Efficient And Low Priced. We Are Willing To Enter Into Business Relations With Your Firm On The Basis Of Equality And Mutual Benefit.
2. The friendly cooperation with hydraulic piston seals helps the growth of DMS Seal Manufacturer. Contact!