Company Advantages1. The high pressure seals have strong wear resistance to hard conditions. DMS Seal Manufacturer factory has established itself as a leading manufacturer, trader, and manufacture of pneumatic piston seals in the market.
2. DMS Seals manufacturer owns a team of professional R&D group and skilled technicians. DMS Seal Manufacturer is full of vitality, energy and warrior spirit.
3. With the performance of piston sealsbeing applied, DMS Seal Manufacturer gains wide population. DMS Seals implements and optimizes its quality control systems
4. Due to the application of hydraulic piston seals sizes, our hydraulic piston seals enjoys a high reputation about its better performance. DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of 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. Dms Seals Technology Co.,limited is a leading piston seals enterprise which has superiority in innovation. - Dms Seals Technology Co.,limited has a strong and complete production capacity.
2. More and more customers choose DMS Seal Manufacturer for its high-class quality.
3. DMS Seal Manufacturer's technology is of professional level. - We are committed to delivering operational excellence and the lowest cash cost of production.