Company Advantages1. High-end talents and advanced technology have enabled DMS 
o-ring seal quality to reach the industry's leading level. As one of the unique feature, pneumatic piston seals successfully makes hydraulic piston seals sizes more popular among customers. High-end talents and advanced technology have enabled DMS o-ring seal quality to reach the industry's leading level
2. Dms Seals Technology Co.,limited, well-known for its superior quality, will provide first-class service. As a modern sealing technology company, DMS Seal manufacturer has a wealth of experience
3. piston seals finds its application in hydraulic piston seals and hydraulic cylinder piston seals. We can support OEM and ODM
Installation Recommendation
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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 | 
| 2828.4
 30
 | 2222.4
 24
 | 4.44.4
 4.4
 | 4.74.7
 4.7
 | SPGC28*22*4.7SPGC28.4*22.4*4.7
 SPGC30*24*4.7
 | 
| 3131.5
 34
 | 2525.5
 28
 | 4.44.4
 4.4
 | 4.74.7
 4.7
 | SPGC31*25*4.7SPGC31.5*25.5*4.7
 SPGC34*28*4.7
 | 
| 3535.5
 36
 | 2929.5
 30
 | 4.44.4
 4.4
 | 4.74.7
 4.7
 | SPGC35*29*4.7SPGC35.5*29.5*4.7
 SPGC36*30*4.7
 | 
| 3737.5
 38
 | 3131.5
 32
 | 4.44.4
 4.4
 | 4.74.7
 4.7
 | SPGC37*31*4.7SPGC37.5*31.5*4.7
 SPGC38*32*4.7
 | 
| 4041
 41.5
 | 3435
 35.5
 | 4.44.4
 4.4
 | 4.74.7
 4.7
 | SPGC40*34*4.7SPGC41*35*4.7
 SPGC41.5*35.5*4.7
 | 
| 4244
 45
 | 3638
 39
 | 4.44.4
 4.4
 | 4.74.7
 4.7
 | SPGC42*36*4.7SPGC44*38*4.7
 SPGC45*39*4.7
 | 
| 4647
 48
 | 4041
 42
 | 4.44.4
 4.4
 | 4.74.7
 4.7
 | SPGC46*40*4.7SPGC47*41*4.7
 SPGC48*42*4.7
 | 
| 5051
 52
 | 4445
 46
 | 4.44.4
 4.4
 | 4.74.7
 4.7
 | SPGC50*44*4.7SPGC51*45*4.7
 SPGC52*46*4.7
 | 
| 5455
 56
 | 4849
 50
 | 4.44.4
 4.4
 | 4.74.7
 4.7
 | SPGC54*48*4.7SPGC55*49*4.7
 SPGC56*50*4.7
 | 
| 5860
 62
 | 4850
 52
 | 4.44.4
 4.4
 | 4.74.7
 4.7
 | SPGC58*48*4.7SPGC60*50*4.7
 SPGC62*52*4.7
 | 
| 6365
 66
 | 5355
 56
 | 4.44.4
 4.4
 | 4.74.7
 4.7
 | SPGC63*53*4.7SPGC65*55*4.7
 SPGC66*56*4.7
 | 
| 6870
 72
 | 5860
 62
 | 7.07.0
 7.0
 | 7.57.5
 7.5
 | SPGC68*58*7.5SPGC70*60*7.5
 SPGC72*62*7.5
 | 
 Fully specialized in the R&D and production of piston seals, Dms Seals Technology Co.,limited is globally recognized. - There is strict testing for quality of hydraulic piston seals to make satisfying products for customers.
2.  o-ring seal is our main product, pneumatic piston seals are synonymous with it.
3.  Not To Advance Is To Go Back. DMS Seal Manufacturer's piston seals, hydraulic piston seals sizes, hydraulic piston seals Is Well Accepted By Customers With Up-To-Date Design. Get Price! - Our hydraulic piston seals have been well sold to all over the world known as its hydraulic cylinder piston seals. Welcome to visit our factory!