Company Advantages1. Dms Seals Technology Co.,limited only choose the safe material for manufacturing piston seals. The R&D teams have the ability to design and develop seals for various of complicated working condition of sealing system
2. DMS O Ring Manufacturers strictly follows the ISO9001 international quality certification system for production management. the specifications of hydraulic piston seals,pneumatic piston seals can be customized.
3. As an o-ring seal system, DMS Seal Manufacturer is also inherently more sustainable than other piston seals technologies, enabling significant reductions in energy consumption. DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of seals.
4. hydraulic piston seals has got the features of hydraulic piston seals sizes, which is worthwhile to popularized. DMS o-ring seal has advanced machines and equipment for its production
5. Except for complete specifications, our o-ring seal is rich in color. DMS Seal manufacturer provides good quality and competitive price hydraulic seals

Bore Dia. | Groove Dia. | Groove Width | Order No. | O-Ring Dimension |
d h9 | D1 H9 | L1+0.2 |
40 42 45 | 30 32 35 | 6.3 6.3 6.3 | DAQ2-40*30*6.3 DAQ2-42*32*6.3 DAQ2-45*35*6.3 | 29.82*2.62 31.42*2.62 34.59*2.62 |
48 50 52 | 38 40 42 | 6.3 6.3 6.3 | DAQ2-48*38*6.3 DAQ2-50*40*6.3 DAQ2-52*42*6.3 | 37.77*2.62 39.34*2.62 40.94*2.62 |
55 60 63 | 45 50 53 | 6.3 6.3 6.3 | DAQ2-55*45*6.3 DAQ2-60*50*6.3 DAQ2-63*53*6.3 | 44.12*2.62 48.90*2.62 52.07*2.62 |
65 70 75 | 55 60 65 | 6.3 6.3 6.3 | DAQ2-65*55*6.3 DAQ2-70*60*6.3 DAQ2-75*65*6.3 | 53.64*2.62 58.42*2.62 63.17*2.62 |
80 85 90 | 67 72 77 | 8.3 8.3 8.3 | DAQ2-80*67*8.3 DAQ2-85*72*8.3 DAQ2-90*77*8.3 | 66.27*3.53 69.44*3.53 75.79*3.53 |
95 100 105 | 82 87 92 | 8.3 8.3 8.3 | DAQ2-95*82*8.3 DAQ2-100*87*8.3 DAQ2-105*92*8.3 | 78.97*3.53 85.32*3.53 91.67*3.53 |
110 115 120 | 97 102 107 | 8.3 8.3 8.3 | DAQ2-110*97*8.3 DAQ2-115*102*8.3 DAQ2-120*107*8.3 | 94.84*3.53 101.19*3.53 104.37*3.53 |
125 130 135 | 112 117 117 | 8.3 8.3 12.3 | DAQ2-125*112*8.3 DAQ2-130*117*8.3 DAQ2-135*117*12.3 | 110.72*3.53 113.89*3.53 113.67*5.33 |
140 150 160 | 122 132 142 | 12.3 12.3 12.3 | DAQ2-140*122*12.3 DAQ2-150*132*12.3 DAQ2-160*142*12.3 | 120.02*5.33 129.54*5.33 139.07*5.33 |

Working Conditions |
Diameter Range | Pressure Range | Temperature Range | Speed | Medium |
3-1600mm | 0-60MPa | -30℃+200℃ | 3 m/s | hydraulic oil, flame retardant liquid, water and others |
Groove Diameter DN H9 | Groove Diameter | Groove Width | Radius | Radial Clearance S max. | O-Ring Cross Section | X-Ring Seal Cross Section |
Standard Application | Heavy Duty Application | d1 h9 | L1+0.2 | R1 | 10MPa | 20MPa | 30MPa | d2 | W |
40 - 79.9 | 25 - 140 | DN - 10.0 | 6.3 | 0.6 | 0.3 | 0.2 | 0.15 | 2.62 | 1.78 |
80 - 132.9 | 50 - 250 | DN - 13.0 | 8.3 | 1.0 | 0.4 | 0.3 | 0.15 | 3.53 | 2.62 |
133 - 252.9 | 100 - 480 | DN - 18.0 | 12.3 | 1.3 | 0.4 | 0.3 | 0.20 | 5.33 | 3.53 |
463 - 700 | 425 - 700 | DN - 31.0 | 16.3 | 1.8 | 0.5 | 0.4 | 0.30 | 7.00 | 5.33 |
Company Features1. DMS Seal Manufacturer is an integrated piston seals contractor integrating design, procurement and development. - Call Now! In Order To Meet The Market Demand, DMS Seal Manufacturer Will Continually Develop New hydraulic piston seals, pneumatic piston seals, hydraulic piston seals sizes. Please See More Information On Our Website.
2. Superb processing level for o-ring seal is acquired by Dms Seals Technology Co.,limited.
3. Dms Seals Technology Co.,limited's technology and access to global licences enables us to vigorously compete across all categories within our chosen markets. - DMS Seal Manufacturer aims to be an international piston seals exporter. Get an offer!