Company Advantages1. Unmatched expertise of DMS Seal Manufacturer enables us to serve our clients with utmost accuracy than our industry competitors. DMS Seal manufacturer provides good quality and competitive price hydraulic seals
2. The adoption of pneumatic piston seals method can cause hydraulic piston seals sizes and satisfy production requirements. DMS O Ring Manufacturers strictly follows the ISO9001 international quality certification system for production management
3. The high pressure seals have strong wear resistance to hard conditions. The new type of piston seals,hydraulic piston seals designed is ingenious and practical.
4. hydraulic piston seals has good comprehensive properties. Seal we produced has applications in a wide range of fields
5. With different material and technology processing, 
o-ring seal features its high performance. DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of seals
Installation Recommendation
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Installation Sizes
| Bore Diameter                         DN H9 | Groove Diameter | Groove Width | Radius | Radial Clearance                S max. | O-Ring Cross-Section | 
| Standard Application | Light Application | Heavy Duty Application | d1 h9 | L1+0.2 | R1 | 10MPa | 20MPa | 40MPa | d2 | 
| 8-14.9 | 15-39.9 | - | DN-4.9 | 2.2 | 0.4 | 0.3 | 0.20 | 0.15 | 1.78 | 
| 15-39.9 | 40-79.9 | - | DN-7.5 | 3.2 | 0.6 | 0.4 | 0.25 | 0.15 | 2.62 | 
| 40-79.9 | 80-132.9 | 15-39.9 | DN-11.0 | 4.2 | 1.0 | 0.4 | 0.25 | 0.20 | 3.53 | 
| 80-132.9 | 133-329.9 | 40-79.9 | DN-15.5 | 6.3 | 1.3 | 0.5 | 0.30 | 0.20 | 5.33 | 
| 133-329.9 | 330-699.9 | 80-132.9 | DN-21.0 | 8.1 | 1.8 | 0.6 | 0.35 | 0.25 | 7.00 | 
| 330-669.9 | 670-99.9 | 133-329.9 | DN-24.5 | 8.1 | 1.8 | 0.6 | 0.35 | 0.25 | 7.00 | 
| 670-999.9 | ≥1000 | 330-669.9 | DN-28.0 | 9.5 | 2.5 | 0.7 | 0.50 | 0.30 | 8.40 | 
| ≥1000 | ≥1000 | ≥1000 | DN-38.0 | 13.8 | 3.0 | 1.0 | 0.70 | 0.60 | 12.00 | 
Application and properties
Standard double acting seal. Suitable for reciprocating motion, allowing larger extrusion clearances, has wide application. Dynamic and static sealing property are excellent, be able to work in dusty condition. Low friction, simple groove, strong adaptability to work conditions.
Sealing ring: filled PTFE
O-ring: NBR / FKM
Working Conditions
| Working  Conditions | 
| Diameter Range | Pressure Range | Temperature Range | Speed | Medium | 
| 3-1600mm | 0-60MPa | -45℃ +200℃ | 15 m/s | hydraulic oil, flame retardant liquid, water and others | 
Installation Dimensions
| Bore Dia.  | Groove Dia.  | Groove Width  | Order No.  | O-Ring Dimensions  | 
| DN H9  | d1 h9  | L1+0.2  | 
| 810
 12
 | 3.15.1
 7.1
 | 2.22.2
 2.2
 | GSF8*3.1*2.2GSF10*5.1*2.2
 GSF12*7.1*2.2
 | 2.90*1.784.80*1.8
 6.70*1.8
 | 
| 1415
 15
 | 9.110.1
 7.5
 | 2.22.2
 3.2
 | GSF14*9.1*2.2GSF15*10.1*2.2
 GSF15*7.5*3.2
 | 8.75*1.87.59*2.62
 8.75*1.8
 | 
| 1616
 18
 | 11.18.5
 13.1
 | 2.23.2
 2.2
 | GSF16*11.1*2.2GSF16*8.5*3.2
 GSF18*13.1*2.2
 | 10.82*1.787.59*2.62
 12.42*1.78
 | 
| 1820
 20
 | 10.515.1
 12.5
 | 3.22.2
 3.2
 | GSF18*10.5*3.2GSF20*15.1*2.2
 GSF20*12.5*3.2
 | 9.19*2.6214.00*1.78
 12.37*2.62
 | 
| 2424
 25
 | 19.116.5
 17.5
 | 2.23.2
 3.2
 | GSF24*19.1*2.2GSF24*16.5*3.2
 GSF25*17.5*3.2
 | 18.77*1.7815.54*2.62
 17.12*2.62
 | 
| 2528
 28
 | 1420.5
 17
 | 4.23.2
 4.2
 | GSF25*14*4.2GSF28*20.5*3.2
 GSF28*17*4.2
 | 13.87*3.5320.29*2.62
 15.47*3.53
 | 
| 3030
 32
 | 22.519
 24.5
 | 3.24.2
 3.2
 | GSF30*22.5*3.2GSF30*19*4.2
 GSF32*24.5*3.2
 | 21.89*2.6226.70*1.78
 23.47*2.62
 | 
| 3235
 35
 | 2127.5
 24
 | 4.23.2
 4.2
 | GSF32*21*4.2GSF35*27.5*3.2
 GSF35*24*4.2
 | 20.22*3.5326.64*2.62
 23.40*3.53
 | 
| 3636
 38
 | 28.525
 30.5
 | 3.24.2
 3.2
 | GSF36*28.5*3.2GSF36*25*4.2
 GSF38*30.5*3.2
 | 28.24*2.6223.39*3.53
 29.82*2.62
 | 
| 3840
 40
 | 2732.5
 29
 | 4.23.2
 4.2
 | GSF38*27*4.2GSF40*32.5*3.2
 GSF40*29*4.2
 | 25.86*3.5331.42*2.62
 28.17*3.53
 | 
| 4545
 48
 | 37.534
 40.5
 | 3.24.2
 3.2
 | GSF45*37.5*3.2GSF45*34*4.2
 GSF48*40.5*3.2
 | 36.5*2.6232.92*3.53
 36.09*3.53
 | 
| 4850
 50
 | 3739
 34.5
 | 4.24.2
 6.3
 | GSF48*37*4.2GSF50*39*4.2
 GSF50*34.5*6.3
 | 36.09*3.5337.70*3.53
 32.69*5.33
 | 
| 5252
 55
 | 4136.5
 44
 | 4.26.3
 4.2
 | GSF52*41*4.2GSF52*36.5*6.3
 GSF55*44*4.2
 | 40.87*3.5335*5.33
 44.04*3.53
 | 
| 5556
 56
 | 39.545
 40.5
 | 6.34.2
 6.3
 | GSF55*39.5*6.3GSF56*45*4.2
 GSF56*40.5*6.3
 | 38*5.3344.04*3.53
 39*5.33
 | 
| 6060
 63
 | 4944.5
 52
 | 4.26.3
 4.2
 | GSF60*49*4.2GSF60*44.5*6.3
 GSF63*52*4.2
 | 47.22*3.5342.5*5.33
 50.39*3.53
 | 
| 6364
 64
 | 47.553
 48.5
 | 6.34.2
 6.3
 | GSF63*47.5*6.3GSF64*53*4.2
 GSF64*48.5*6.3
 | 46*5.3351.5*3.53
 46.99*5.33
 | 
| 6565
 70
 | 5449.5
 59
 | 4.26.3
 4.2
 | GSF65*54*4.2GSF65*49.5*6.3
 GSF70*59*4.2
 | 53.57*3.5348*5.33
 56.74*3.53
 | 
| 7075
 75
 | 54.564
 59.5
 | 6.34.2
 6.3
 | GSF70*54.5*6.3GSF75*64*4.2
 GSF75*59.5*6.3
 | 53.34*5.3363.09*3.53
 56.52*5.33
 | 
| 8080
 85
 | 6964.5
 74
 | 4.26.3
 4.2
 | GSF80*69*4.2GSF80*64.5*6.3
 GSF85*74*4.2
 | 66.27*3.5362.87*5.33
 72.62*3.53
 | 
| 8590
 90
 | 69.579
 74.5
 | 6.34.2
 6.3
 | GSF85*69.5*6.3GSF90*79*4.2
 GSF90*74.5*6.3
 | 69.22*5.3378.97*3.53
 72.39*5.33
 | 
| 9595
 100
 | 8479.5
 89
 | 4.26.3
 4.2
 | GSF95*84*4.2GSF95*79.5*6.3
 GSF100*89*4.2
 | 82.14*3.5378.74*5.33
 88.49*3.53
 | 
| 100105
 105
 | 84.594
 89.5
 | 6.34.2
 6.3
 | GSF100*84.5*6.3GSF105*94*4.2
 GSF105*89.5*6.3
 | 81.92*5.3391.67*3.53
 88.27*5.33
 | 
 The piston seals Which Meet People's Requirements In Pursuit Of Good Taste Life. Choose From DMS Seal Manufacturer Website, You Will Never Be Disappointed. - Dms Seals Technology Co.,limited owns manufacturing facilities.
2.  Dms Seals Technology Co.,limited has complete test measures and high-qualified employees.
3.  There is strict testing for quality of hydraulic piston seals to make satisfying products for customers. - Dms Seals Technology Co.,limited make every effort to have pneumatic piston seals in this o-ring seal. Get an offer!