DMS SEALS TECHNOLOGY CO.,LIMITED
The Professional Sealing Solution Supplier(O Ring Suppliers & Oil Seal Manufacturers).
DMS Seals - Hydraulic Seals and Oil Ring Seals Manufacturer & Supplier
1. Installation Recommendation
2. Installation Sizes
| 
 Rod Diameter  | 
 Outer Diameter  | 
 Groove Width  | 
 Install Chamfer  | 
 Radius  | 
 Radial Clearance S max.  | 
||
| 
 d f8  | 
 D H8  | 
 L+0.2  | 
 L1  | 
 R1  | 
 10MPa  | 
 20MPa  | 
 40MPa  | 
| 
 50-69.9  | 
 d+15.0  | 
 7.5  | 
 5.0  | 
 0.4  | 
 0.5  | 
 0.4  | 
 0.3  | 
| 
 70-149.9  | 
 d+20.0  | 
 10.1  | 
 6.0  | 
 0.4  | 
 0.7  | 
 0.5  | 
 0.4  | 
| 
 200-244.9  | 
 d+25.0  | 
 12.5  | 
 8.5  | 
 0.4  | 
 0.8  | 
 0.6  | 
 0.5  | 
| 
 245-519.9  | 
 d+30.0  | 
 15.0  | 
 10.0  | 
 0.8  | 
 0.9  | 
 0.7  | 
 0.6  | 
| 
 520-769.9  | 
 d+35.0  | 
 17.5  | 
 13.0  | 
 1.2  | 
 1.0  | 
 0.8  | 
 0.7  | 
| 
 770-1500  | 
 d+40.0  | 
 20.0  | 
 15.0  | 
 1.2  | 
 1.0  | 
 0.8  | 
 0.7  | 
3. Application and properties
Applied for larger diameter piston rods and heavy-duty hydraulic rod sealing system in hard working conditions. High pressure resistance, excellent resistance to gap extrusion, wear-resisting.
4. Standard materials
Sealing ring: filled PTFE
O-Ring: NBR / FKM
5. Working Conditions
| 
 Working Conditions  | 
||||
| 
 Diameter Range  | 
 Pressure Range  | 
 Temperature Range  | 
 Speed  | 
 Medium  | 
| 
 3 - 1600mm  | 
 0 - 60MPa  | 
 -30℃ +100℃  | 
 5 m/s  | 
 hydraulic oil, flame retardant liquid, water, gas  | 
6. Installation Dimensions
| 
 Outer Dia.  | 
 Groove Width  | 
 Order No.  | 
|
| 
 d f8  | 
 D H8  | 
 L+0.2  | 
|
| 
 50 60 70  | 
 65 75 85  | 
 7.5 7.5 7.5  | 
 GSJ-W50*65*7.5 GSJ-W60*75*7.5 GSJ-W70*85*7.5  | 
| 
 75 80 100  | 
 95 100 120  | 
 10 10 10  | 
 GSJ-W75*95*10 GSJ-W80*100*10 GSJ-W100*120*10  | 
| 
 110 115 120  | 
 130 135 140  | 
 10 10 10  | 
 GSJ-W110*130*10 GSJ-W115*135*10 GSJ-W120*140*10  | 
| 
 130 140 145  | 
 150 160 165  | 
 10 10 10  | 
 GSJ-W130*150*10 GSJ-W140*160*10 GSJ-W145*165*10  | 
| 
 150 160 170  | 
 170 180 190  | 
 10 10 10  | 
 GSJ-W150*170*10 GSJ-W160*180*10 GSJ-W170*190*10  | 
| 
 175 180 200  | 
 195 200 220  | 
 10 10 10  | 
 GSJ-W175*195*10 GSJ-W180*200*10 GSJ-W200*220*10  | 
| 
 230 240 250  | 
 255 265 275  | 
 12.5 12.5 12.5  | 
 GSJ-W230*255*12.5 GSJ-W240*265*12.5 GSJ-W250*275*12.5  | 
| 
 260 265 270  | 
 285 290 295  | 
 12.5 12.5 12.5  | 
 GSJ-W260*285*12.5 GSJ-W265*290*12.5 GSJ-W270*295*12.5  | 
| 
 280 290 300  | 
 305 315 325  | 
 12.5 12.5 12.5  | 
 GSJ-W280*305*12.5 GSJ-W290*315*12.5 GSJ-W300*325*12.5  | 
CONTACT US
TEL: +86-757-86235767
Contact Person: Teresa Chen
E-mail:
dms@dmsseals.com
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