Company Advantages1. Moreover, we will cultivate our business little by little and perform each task step by step. Abiding by the management principle of 'Three-Good & One-Fairness (good quality, good credibility, good services, and reasonable price), we are looking forward to welcoming the new era with you.DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of seals
2. DMS Seals' production equipment and test equipment are on the leading level in the industry. DMS Seal Manufacturer believes the achievement of customer expectation will enhance the customer satisfication.
3. DMS O Ring Manufacturers strictly follows the ISO9001 international quality certification system for production management, DMS Seal Manufacturer Has Advanced rod seals, 
hydraulic rod seals Equipment.
4. During the course of production, DMS Seal Manufacturer consistently develop and improve hydraulic rod seals. DMS Seals provides professional design and production of high-grade 
o-ring seals
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  | 
20 
 22 
 23  | 28 
 30 
 31  | 7.5 
 7.5 
 7.5  | TDI20*28*7.5 
 TDI22*30*7.5 
 TDI23*31*7.5  | 
25 
 28 
 30  | 33 
 36 
 38  | 7.5 
 7.5 
 7.5  | TDI25*33*7.5 
 TDI28*36*7.5 
 TDI30*38*7.5  | 
32 
 35 
 36  | 40 
 43 
 44  | 7.5 
 7.5 
 8.5  | TDI32*40*7.5 
 TDI35*43*7.5 
 TDI36*44*8.5  | 
40 
 42 
 45  | 48 
 50 
 55  | 8.5 
 8.5 
 11  | TDI40*48*8.5 
 TDI42*50*8.5 
 TDI45*55*11  | 
47 
 48 
 50  | 57 
 58 
 60  | 11 
 11 
 11  | TDI47*57*11 
 TDI48*58*11 
 TDI50*60*11  | 
52 
 55 
 56  | 62 
 65 
 71  | 11 
 11 
 13  | TDI52*62*11 
 TDI55*65*11 
 TDI56*71*13  | 
60 
 63 
 65  | 75 
 78 
 80  | 13 
 13 
 13  | TDI60*75*13 
 TDI63*78*13 
 TDI65*80*13  | 
68 
 70 
 72  | 78 
 85 
 87  | 13 
 13 
 13  | TDI68*78*13 
 TDI70*85*13 
 TDI72*87*13  | 
75 
 80 
 83  | 90 
 95 
 98  | 13 
 13 
 13  | TDI75*90*13 
 TDI80*95*13 
 TDI83*98*13  | 
85 
 87 
 90   | 100 
 102 
 105   | 13 
 13 
 13   | TDI85*100*13 
 TDI87*102*13 
 TDI90*105*13   | 
95 
 96 
 100   | 110 
 111 
 115   | 13 
 13 
 13   | TDI95*110*13 
 TDI96*111*13 
 TDI100*115*13   | 
100 
 105 
 110   | 120 
 120 
 125   | 15 
 13 
 13   | TDI100*120*15 
 TDI105*120*13 
 TDI110*125*13   | 
115 
 115 
 120   | 126 
 130 
 140   | 16 
 13 
 17   | TDI115*126*16 
 TDI115*130*13 
 TDI120*140*17   | 
125 
 130 
 135   | 145 
 150 
 155   | 17 
 17 
 17   | TDI125*145*17 
 TDI130*150*17 
 TDI135*155*17   | 
140 
 140 
 150   | 155 
 160 
 170   | 18 
 17 
 17   | TDI140*155*18 
 TDI140*160*17 
 TDI150*170*17   | 
155 
 160 
 165   | 175 
 180 
 185   | 17 
 17 
 17   | TDI155*175*17 
 TDI160*180*17 
 TDI165*185*17   | 
170 
 175 
 180   | 190 
 195 
 200   | 17 
 17 
 17   | TDI170*190*17 
 TDI175*195*17 
 TDI180*200*17   | 
185 
 190 
 200   | 205 
 210 
 220   | 17 
 17 
 17   | TDI185*205*17 
 TDI190*210*17 
 TDI200*220*17   | 
220 
 225 
 230   | 240 
 245 
 250   | 17 
 17 
 17   | TDI220*240*17 
 TDI225*245*17 
 TDI230*250*17   | 
240 
 250 
 260   | 260 
 270 
 280   | 17 
 17 
 17   | TDI240*260*17 
 TDI250*270*17 
 TDI260*280*17   | 
280 
 300 
 350  | 300 
 320 
 380  | 17 
 17 
 21  | TDI280*300*17 
 TDI300*320*17 
 TDI350*380*21  | 
500 
 630 
 1000  | 540 
 670 
 1040  | 26.5 
 26.5 
 26.5  | TDI500*540*26.5 
 TDI630*670*26.5 
 TDI1000*1040*26.5  | 
 Company Features1. DMS Seal Manufacturer has been committed to high-level quality and service for rod seals since the day of its establishment.
2.  Inquire! DMS Seal Manufacturer Is Looking For Creditable hydraulic rod seals, hydraulic rod seals, piston rod seal Wholesale Agents All Over The World. Do Feel Free To Contact Us. 
3.  DMS Seal Manufacturer is committed to wining wide market with its core competitiveness. Call!