Company Advantages1. Owing to its elegant look and sturdy design, these sets are highly in demand amongst our customers.
2. Dms Seals Technology Co.,limited works hard to make the quality and performance of piston seals products more in line with the needs of customers. DMS Seal manufacturer was established in 2008 and now has more than 10 years professional experience
3. With simple pneumatic piston seals design for ease of hydraulic piston seals sizes, DMS Seal Manufacturer hydraulic piston seals offers utmost convenience for users. The high pressure seals have strong wear resistance to hard conditions.
Installation Recommendation
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Application and properties
Suitable for long stroke, a wide range of fluids and high temperature occasions. The application of heavy duty double acting piston sealing under high pressure conditions is excellent. Applicable to larger piston clearance , it has good leakage control, extrusion resistance and wear resistance in heavy duty and construction machinery cylinder piston sealing system. Good static sealing property, simple groove structure, larger extrusion clearances can be allowed, be able to work in dusty condition.
Sealing ring: filled PTFE
O-ring: NBR / FKM
Back-up ring: POM / PA
Working Conditions
| Working  Conditions | 
| Diameter Range | Pressure Range | Temperature Range | Speed | Medium | 
| 50-350mm | 0-50MPa | -30℃ +100℃ | 1.5 m/s | hydraulic oil, flame retardant liquid, water and others | 
Installation Dimensions
| Groove Sizes | L+0.2 | Order No.  | 
| D1 | dN | H | 
| 5055
 60
 | 3641
 46
 | 8.58.5
 8.5
 | 99
 9
 | SPGW50*36*8.5SPGW55*41*8.5
 SPGW60*46*8.5
 | 
| 6365
 70
 | 4850
 55
 | 10.510.5
 10.5
 | 1111
 11
 | SPGW63*48*10.5SPGW65*50*10.5
 SPGW70*55*10.5
 | 
| 7580
 85
 | 6065
 70
 | 10.510.5
 10.5
 | 1111
 11
 | SPGW75*60*10.5SPGW80*65*10.5
 SPGW85*70*10.5
 | 
| 9095
 100
 | 7580
 85
 | 10.510.5
 12
 | 1111
 12.5
 | SPGW90*75*10.5SPGW95*80*10.5
 SPGW100*85*12
 | 
| 105110
 115
 | 9095
 100
 | 1212
 12
 | 12.512.5
 12.5
 | SPGW105*90*12SPGW110*95*12
 SPGW115*100*12
 | 
| 120125
 130
 | 105102
 107
 | 1215.5
 15.5
 | 12.516
 16
 | SPGW120*105*12SPGW125*102*15.5
 SPGW130*107*15.5
 | 
| 135140
 145
 | 112117
 122
 | 15.515.5
 15.5
 | 1616
 16
 | SPGW135*112*15.5SPGW140*117*15.5
 SPGW145*122*15.5
 | 
| 150155
 160
 | 127132
 137
 | 15.515.5
 15.5
 | 1616
 16
 | SPGW150*127*15.5SPGW155*132*15.5
 SPGW160*137*15.5
 | 
| 165170
 180
 | 142147
 157
 | 15.515.5
 15.5
 | 1616
 16
 | SPGW165*142*15.5SPGW170*147*15.5
 SPGW180*157*15.5
 | 
| 185190
 200
 | 162167
 177
 | 15.515.5
 15.5
 | 1616
 16
 | SPGW185*162*15.5SPGW190*167*15.5
 SPGW200*177*15.5
 | 
| 210220
 225
 | 187197
 202
 | 15.515.5
 17
 | 1616
 17.5
 | SPGW210*187*15.5SPGW220*197*15.5
 SPGW225*202*15.5
 | 
| 230240
 250
 | 207217
 222
 | 1717
 17
 | 17.517.5
 17.5
 | SPGW230*207*15.5SPGW240*217*15.5
 SPGW250*222*17
 | 
| 260270
 280
 | 232242
 252
 | 1717
 17
 | 17.517.5
 17.5
 | SPGW260*232*17SPGW270*242*17
 SPGW280*252*17
 | 
| 300320
 350
 | 272292
 322
 | 1717
 17
 | 17.517.5
 17.5
 | SPGW300*272*17SPGW320*292*17
 SPGW350*322*17
 | 
 Dms Seals Technology Co.,limited gathers industry elites to produce the best piston seals. - Our professional technician strictly operate machines to ensure its normal operation and produce high quality hydraulic piston seals.
2.  To meet customer's requirements, DMS Seal Manufacturer always keeps the innovative technology to produce o-ring seal.
3.  Dms Seals Technology Co.,limited boasts its advanced production technology. - We can customize solutions to making piston seals for your own pneumatic piston seals use.