DMS SEALS TECHNOLOGY CO.,LIMITED
DMS Seals - Hydraulic Seals and Oil Ring Seals Manufacturer & Supplier
The Professional Sealing Solution Supplier(O Ring Suppliers & Oil Seal Manufacturers).
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 |
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.
Standard materials
Sealing ring: filled PTFE
O-Ring: NBR / FKM
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 |
Rod Dia. | Outer Dia. | Groove Width | Order No. |
d f8 | D H8 | L+0.2 | |
50 | 65 | 7.5 | GSJ-W50*65*7.5 |
75 | 95 | 10 | GSJ-W75*95*10 |
110 | 130 | 10 | GSJ-W110*130*10 |
130 | 150 | 10 | GSJ-W130*150*10 |
150 | 170 | 10 | GSJ-W150*170*10 |
175 | 195 | 10 | GSJ-W175*195*10 |
230 | 255 | 12.5 | GSJ-W230*255*12.5 |
260 | 285 | 12.5 | GSJ-W260*285*12.5 |
280 | 305 | 12.5 | GSJ-W280*305*12.5 |
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