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Working Conditions (Surface Finish)

Working Conditions SURFACE FINISH The surface finish is very important to provide excellent sealing performance, a low friction and a good seal life. The wear rate is a major factor in the life of a dynamic cylinder,...

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Working Conditions (Speed) Read Full Article

Working Conditions (Speed)

Working ConditionsSPEEDIt is very difficult to estimate the maximum speed of a dynamic seal, due to the many functions and factors involved, for example working pressure, fluid viscosity, surface finish, and the seal...
Working Conditions (Friction) Read Full Article

Working Conditions (Friction)

Working Conditions FRICTIONFriction is derived from an elastic material sliding against a metal surface in a normal seal application. The theory given for two rigid surfaces sliding is elementary in comparison to the...
Working Conditions (Pressure) Read Full Article

Working Conditions (Pressure)

Working ConditionsPRESSURE When working pressures are too high seal extrusion can occur through the gap between the piston and the cylinder, also the rod and the gland, this would dramatically effect the life of the...
Working Conditions (Temperature) Read Full Article

Working Conditions (Temperature)

Working Conditions  TEMPERATURE As a consequence of machine evolution, and the fact that manufacturers are keen to utilize high pressures avoiding the degradation of the hydraulic fluid, there is a real...
Allis Chalmers Seal Kits Read Full Article

Allis Chalmers Seal Kits

Hydraulic Cylinder Seal Kits For Allis-Chalmers Lift TrucksEPM offers replacement seal kits for Allis Chalmers lift trucks at a fraction of the price of OEM kits! Kit Number Description Code Rod x Bore Size 4787619...
Cast Iron Piston Rings Read Full Article

Cast Iron Piston Rings

EPM Can manufacture Cast Iron Piston Rings fast (typically in 3-5 weeks) PERMASEAL  TWIN SEAL Developed specifically to provide the lowest possible leakage of any metallic piston ring seal. The basic design...
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