Company Advantages1. Our products mainly include rod seals, piston seals, scraper seals, rotary seals, rubber seal products and spring seals.
hydraulic rod seals piston rod seal offered by DMS Seal Manufacturer are used for hydraulic rod seals online.
2. The fame of DMS Seal Manufacturer is widely increasing for its high quality rod seals. We can support OEM and ODM
3. The design of hydraulic rod seals will surely accommodate your unique temperament and taste. The high pressure seals have strong wear resistance to hard conditions
4. Due to the application of rod seal catalogue, our O Ring Manufacturers enjoys a high reputation about its better performance. DMS O Ring Manufacturers strictly follows the ISO9001 international quality certification system for production management
Installation Recommendation

Application and properties
The standard combination seal is suitable for a wide range of pressure work and sliding high speed occasions. Low friction, strong wear resistance.
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 | general hydraulic oil, water glycol Hydraulic oil and water emulsion type hydraulic oil. |
Installation Dimensions
Nominal Size of Packing, and Housing dimensions | Order No. |
d | D | H | L +0.2 |
3 4 5 | 6 7 8 | 2.3 2.3 2.3 | 2.5 2.5 2.5 | SPNC3*6*2.5 SPNC4*7*2.5 SPNC5*8*2.5 |
6 7 8 | 9 10 11 | 2.3 2.3 2.3 | 2.5 2.5 2.5 | SPNC6*9*2.5 SPNC7*10*2.5 SPNC8*11*2.5 |
9 10 10 | 12 13 14 | 2.3 2.3 3.0 | 2.5 2.5 3.2 | SPNC9*12*2.5 SPNC10*13*2.5 SPNC10*14*3.2 |
11 11.2 12 | 15 15.2 16 | 3.0 3.0 3.0 | 3.2 3.2 3.2 | SPNC11*15*3.2 SPNC11.2*15.2*3.2 SPNC12*16*3.2 |
12.5 14 15 | 16.5 18 19 | 3.0 3.0 3.0 | 3.2 3.2 3.2 | SPNC12.5*16.5*3.2 SPNC14*18*3.2 SPNC15*19*3.2 |
16 18 20 | 20 22 24 | 3.0 3.0 3.0 | 3.2 3.2 3.2 | SPNC16*20*3.2 SPNC18*22*3.2 SPNC20*24*3.2 |
20 21 22 | 24 25 26 | 3.0 3.0 3.0 | 3.2 3.2 3.2 | SPNC20*24*3.2 SPNC21*25*3.2 SPNC22*26*3.2 |
22 22.4 24 | 28 28.4 30 | 4.4 4.4 4.4 | 4.7 4.7 4.7 | SPNC22*28*4.7 SPNC22.4*28.4*4.7 SPNC24*30*4.7 |
25 25.5 26 | 31 31.5 32 | 4.4 4.4 4.4 | 4.7 4.7 4.7 | SPNC25*31*4.7 SPNC25.5*31.5*4.7 SPNC26*32*4.7 |
28 29 29.5 | 34 35 35.5 | 4.4 4.4 4.4 | 4.7 4.7 4.7 | SPNC28*34*4.7 SPNC29*35*4.7 SPNC29.5*35.5*4.7 |
30 31 31.5 | 36 37 37.5 | 4.4 4.4 4.4 | 4.7 4.7 4.7 | SPNC30*36*4.7 SPNC31*37*4.7 SPNC31.5*37.5*4.7 |
32 34 35 | 38 40 41 | 4.4 4.4 4.4 | 4.7 4.7 4.7 | SPNC32*38*4.7 SPNC34*40*4.7 SPNC35*41*4.7 |
35.5 36 38 | 41.5 42 44 | 4.4 4.4 4.4 | 4.7 4.7 4.7 | SPNC35.5*41.5*4.7 SPNC36*42*4.7 SPNC38*44*4.7 |
Company Features1. Dms Seals Technology Co.,limited has evolved and expanded the business in rod seals field for many years.
2. All Work And No Play Makes Jack A Dull Boy. DMS Seal Manufacturer Is One Of The Leading hydraulic rod seals, hydraulic rod seals, piston rod seal Designers, Manufacturers And Exporter From China Get Info!
3. Dms Seals Technology Co.,limited always sticks to the core business philosophy. Get an offer!