Description
DHS Wiper Seal :
DHS wiper Seal is a double lip seal with a dust lip and an oil seal lip. Its structure makes it excellent in dust resistance and less oil leakage. In addition, The DHS seal prevents the entry of dust, dirt, sand and metal chips. Mainly used in hydraulic cylinders.
DHS SEAL SIZE CHART :
| ID | OD | TH1 | TH2 |
|---|---|---|---|
| 11.2 | 19.2 | 4.5 | 6 |
| 12 | 20 | 4.5 | 6 |
| 14 | 22 | 4.5 | 6 |
| 16 | 24 | 4.5 | 6 |
| 18 | 26 | 4.5 | 6 |
| 20 | 28 | 4.5 | 6 |
| 22.4 | 30.4 | 4.5 | 6 |
| 23.5 | 31.5 | 4.5 | 6 |
| 25 | 33 | 4.5 | 6 |
| 26 | 34 | 4.5 | 6 |
| 28 | 36 | 4.5 | 6 |
| 30 | 38 | 5 | 6.5 |
| 31.5 | 39.5 | 5 | 6.5 |
| 32 | 40 | 5 | 6.5 |
| 35 | 43 | 5 | 6.5 |
| 35.5 | 43.5 | 5 | 6.5 |
| 36 | 44 | 5 | 6.5 |
| 38 | 46 | 5 | 6.5 |
| 40 | 48 | 5 | 6.5 |
| 43 | 51 | 5 | 6.5 |
| 45 | 53 | 5 | 6.5 |
| 48 | 56 | 5 | 6.5 |
| 50 | 58 | 5 | 6.5 |
| 53 | 61 | 5 | 6.5 |
| 55 | 63 | 5 | 6.5 |
| 56 | 64 | 5 | 6.5 |
| 58 | 66 | 5 | 6.5 |
| 60 | 68 | 5 | 6.5 |
| 63 | 71 | 5 | 6.5 |
| 65 | 73 | 5 | 6.5 |
| 67 | 75 | 5 | 6.5 |
| 70 | 80 | 6 | 8 |
| 71 | 81 | 6 | 8 |
| 75 | 85 | 6 | 8 |
| 80 | 90 | 6 | 8 |
| 85 | 95 | 6 | 8 |
| 90 | 100 | 6 | 8 |
| 95 | 105 | 6 | 8 |
| 98 | 108 | 6 | 8 |
| 100 | 110 | 6 | 8 |
| 100 | 112 | 7 | 11 |
| 100 | 115 | 6 | 8.5 |
| 105 | 115 | 6 | 8 |
| 110 | 120 | 6 | 8 |
| 112 | 122 | 6 | 8 |
| 115 | 125 | 6 | 8 |
| 118 | 128 | 6 | 8 |
| 120 | 130 | 6 | 8 |
| 125 | 138 | 7 | 9.5 |
| 136 | 149 | 7 | 9.5 |
| 140 | 153 | 7 | 9.5 |
| 145 | 158 | 7 | 9.5 |
| 160 | 174 | 7 | 9.5 |
| 165 | 179 | 7 | 9.5 |
| 180 | 194 | 7 | 9.5 |
| 200 | 214 | 7 | 9.5 |
| 204 | 218 | 7 | 9.5 |
| 230 | 244 | 7 | 9.5 |
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ADVANTAGES :
- Good wiping effect.
- ?Wide range of dimensions.
- ?No twisting in the housing.
- ?Wiper lip reliably wipes away dirt and leaves a residual oil film on the retracting rod.
- ?Double lip makes additional protection to prevent the particles to enter into the cylinder.
- ?Easy installation.
OPERATING CONDITIONS :
| Material | PU |
| Temperature | -35C to 100C |
| Speed | up to 1 m/s |
| Medium | Water,Gas,Oil,Chemicals |
| Press | up to 40MPA |
| Colour | Blue,Green |
| Hardness | 70 to 90A shore |
APPLICATION :
Construction machinery,fork-lift trucks,injection moulding machines,agricultural machinery and standard cylinders.
INSTALLATION OF DHS SEAL :
DHS wiper seal can be easily fitted into the closed housing by deforming into a kidney shape. But, It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the wiper must be oiled with system oil.
NOTES :
DHS wiper Seal should be used in combination of suitable rod seals to avoid hydrodynamic pressure or pressure relieving bore between seal and wiper should be constructed to prevent the build up pressures.
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