O-ring seal PSO seriesroundNBRpolyurethane
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Characteristics
- Type
- O-ring
- Configuration
- round
- Material
- polyurethane, NBR
- Application
- piston, housing, profile, cutting
- Other characteristics
- dynamic, static
- Temperature limit
Max.: 110 °C
(230 °F)Min.: -35 °C
(-31 °F)- Pressure limit
250 bar, 400 bar, 500 bar
(3,625.9 psi, 5,801.5 psi, 7,251.9 psi)- Diameter
Max.: 229 mm
(9.016 in)Min.: 7.1 mm
(0.28 in)- Outer diameter
Max.: 250 mm
(9.843 in)Min.: 12 mm
(0.472 in)- Shore A hardness
70 unit
- Speed
0.5 m/s
(1.6 ft/s)
Description
The PSO seal type shows a double profile on the dynamic side and a surface with two small steps
on the static side, where the o-ring is housed.
The presence of the o-ring, which energizes the seal, ensures a perfect seal performance at low and
high pressure.
The special double profile avoids any Hydro-dynamic pressure on the sealing part and the
consequent blow-by effect.
The chosen material is polyurethane, with hardness according to the working pressure
(C0 o D0 o E0).
The o-ring is in NBR hardness is of 70 Shore A (N0). Compound reference: CN (or, in alternative, DN or
EN).
Remove any cutting edges and flash in the housing of the seal.
Ensure a lead-in chamfer in the bore to facilitate the piston installation.
For further information please refer to the installation instructions page 26.
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.