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, 
hydraulic rod seals successfully makes piston rod seal 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. DMS Seal manufacturer provides good quality and competitive price hydraulic seals
3. All of our rod seals have been specially developed for the hydraulic rod seals online industry and are qualifiable. As a modern sealing technology company, DMS Seal manufacturer has a wealth of experience.
4. DMS Seal Manufacturer hydraulic rod seals has all fundamental features that rod seal catalogue see as the most important aspects of a high-quality pneumatic rod seals. Our products mainly include rod seals, piston seals, scraper seals, rotary seals, rubber seal products and spring seals.
5. Format change can be easily done by just push rod seal. DMS Seals manufacturer owns a team of professional R&D group and skilled technicians.
Installation Recommendation
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Installation Sizes
| Rod Diameter d e8 | Groove Diameter D H9 | Groove Width L D10 | H | 
| 20-30 | d+8 | 7.5 | 7 | 
| 31-35 | d+8 | 7.5 | 7 | 
| 36-44 | d+8 | 8.5 | 8 | 
| 45-55 | d+10 | 11.0 | 10 | 
| 56-119 | d+15 | 13.0 | 12 | 
| 120-319 | d+20 | 17.0 | 16 | 
| 320-499 | d+30 | 21.0 | 20 | 
| >499 | d+40 | 26.5 | 25 | 
Application and properties
Applicable to hydraulic cylinder piston rod, generally used in conjunction with the guide sleeve. The special-shaped Y ring has the sealing function, provides the elasticity to the seal ring, and compensates for the abrasion. Wear-resisting, non stick slip phenomenon. It has a high stability under pressure and harsh conditions.
Sealing ring: filled PTFE
Y-ring: NBR / PU
O-ring: NBR / FKM
Working Conditions
| Working  Conditions | 
| Diameter Range | Pressure Range | Temperature Range | Speed | Medium | 
| 3-1600mm | 0-60MPa | -30℃ +100℃ | 1 m/s | Petroleum base hydraulic oil,    nonflammable hydraulic fluid, water, and others. | 
Installation Dimensions
| Rod Dia. | Outer Dia. | Groove    Width | Order No. | 
| d e8 | D H9 | L D10 | 
| 2022
 23
 | 2830
 31
 | 7.57.5
 7.5
 | TDI20*28*7.5TDI22*30*7.5
 TDI23*31*7.5
 | 
| 2528
 30
 | 3336
 38
 | 7.57.5
 7.5
 | TDI25*33*7.5TDI28*36*7.5
 TDI30*38*7.5
 | 
| 3235
 36
 | 4043
 44
 | 7.57.5
 8.5
 | TDI32*40*7.5TDI35*43*7.5
 TDI36*44*8.5
 | 
| 4042
 45
 | 4850
 55
 | 8.58.5
 11
 | TDI40*48*8.5TDI42*50*8.5
 TDI45*55*11
 | 
| 4748
 50
 | 5758
 60
 | 1111
 11
 | TDI47*57*11TDI48*58*11
 TDI50*60*11
 | 
| 5255
 56
 | 6265
 71
 | 1111
 13
 | TDI52*62*11TDI55*65*11
 TDI56*71*13
 | 
| 6063
 65
 | 7578
 80
 | 1313
 13
 | TDI60*75*13TDI63*78*13
 TDI65*80*13
 | 
| 6870
 72
 | 7885
 87
 | 1313
 13
 | TDI68*78*13TDI70*85*13
 TDI72*87*13
 | 
| 7580
 83
 | 9095
 98
 | 1313
 13
 | TDI75*90*13TDI80*95*13
 TDI83*98*13
 | 
| 8587
 90
 | 100102
 105
 | 1313
 13
 | TDI85*100*13TDI87*102*13
 TDI90*105*13
 | 
| 9596
 100
 | 110111
 115
 | 1313
 13
 | TDI95*110*13TDI96*111*13
 TDI100*115*13
 | 
| 100105
 110
 | 120120
 125
 | 1513
 13
 | TDI100*120*15TDI105*120*13
 TDI110*125*13
 | 
| 115115
 120
 | 126130
 140
 | 1613
 17
 | TDI115*126*16TDI115*130*13
 TDI120*140*17
 | 
| 125130
 135
 | 145150
 155
 | 1717
 17
 | TDI125*145*17TDI130*150*17
 TDI135*155*17
 | 
| 140140
 150
 | 155160
 170
 | 1817
 17
 | TDI140*155*18TDI140*160*17
 TDI150*170*17
 | 
| 155160
 165
 | 175180
 185
 | 1717
 17
 | TDI155*175*17TDI160*180*17
 TDI165*185*17
 | 
| 170175
 180
 | 190195
 200
 | 1717
 17
 | TDI170*190*17TDI175*195*17
 TDI180*200*17
 | 
| 185190
 200
 | 205210
 220
 | 1717
 17
 | TDI185*205*17TDI190*210*17
 TDI200*220*17
 | 
| 220225
 230
 | 240245
 250
 | 1717
 17
 | TDI220*240*17TDI225*245*17
 TDI230*250*17
 | 
| 240250
 260
 | 260270
 280
 | 1717
 17
 | TDI240*260*17TDI250*270*17
 TDI260*280*17
 | 
| 280300
 350
 | 300320
 380
 | 1717
 21
 | TDI280*300*17TDI300*320*17
 TDI350*380*21
 | 
| 500630
 1000
 | 540670
 1040
 | 26.526.5
 26.5
 | TDI500*540*26.5TDI630*670*26.5
 TDI1000*1040*26.5
 | 
 There is strict testing for quality of rod seals to make satisfying products for customers.
2.  Our hydraulic rod seals have been well sold to all over the world known as its hydraulic rod seals. Check it!