Piston Rod Seal
Piston Rod Seal
Piston rod seal, double-lip design has better sealing effect, and polyacetal back-up ring is better under pressure. The 0-ring has a preloading effect, making the groove embedding more stable, and can be applied to higher pressures and allow larger extrusion gaps, high Under low pressure conditions, the sealing effect is equally significant.
Rod seal, single function, embedded groove stability, special structural design; high pressure resistance, allows larger extrusion clearance.
Working condition
pressure: ≤70Mpa
speed: ≤0.5m/s
temperature: -40℃～+110℃
Medium: hydraulic oil, emulsion, water
Maximum extrusion clearance
pressure: Mpa 16～130
Maximum extrusion clearance(mm): 0.75～0.25
The surface roughness
The surface of the cylinder: φd1 0.1-0.4 μm Ra
The static sealing surface: φD1 1.6max μm Ra
Static groove surface: L13.2max μm Ra
Cant & chamfering
Groove part: ≤ S (mm) 6, 8, 10, 11, 12
Minimum slope: C (mm) 4, 5, 6, 7,8
Maximum amount of chamfering: r1 (mm) 0.2,0.2, 0.4, 0.4, 0.5
The biggest outer diagonal: r2 (mm)0.5, 0.5,0.5, 0.5, 0.5
Standard material
sealing member: PU
elastomer: NBR
POM (Support ring: POM
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