Company Advantages1. To reduce costs with high-efficiency work is the DMS's purpose. Presented products are enormously appreciated by DMS Seal Manufacturer customers for characteristics such as pneumatic piston seals and hydraulic piston seals sizes.
2. DMS Seal manufacturer was established in 2008 and now has more than 10 years professional experience. DMS Seal Manufacturer – a famous brand of piston seals,hydraulic piston seals, proudly designs and produces hydraulic piston seals,hydraulic cylinder piston seals.
3. Through the reform of details and materials of 
o-ring seal, it is high performance with affordable price. Our products mainly include 
rod seals, piston seals, scraper seals, rotary seals, rubber seal products and spring seals
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
 | 
 DMS Seal Manufacturer is quality-oriented and has gained wide market in piston seals field.
2.  At present, Dms Seals Technology Co.,limited has advanced production lines and various testing equipment for hydraulic piston seals.
3.  Ensuring a harmonious environment between employees can provide the best o-ring seal. Inquiry!