PZA (DOUBLE ACTION PISTONSEAL PNEUMATIC)

product

PZA is a double-acting pneumatic piston seal specifically designed to be used in a small axial groove recessed.

PRODUCT ADVANTAGES:

  • Easy assembly
  • Wide range of dimensions
  • Low friction
  • Despite its small size, this ensures a perfect seal
  • Small axial installation height

APPLICATION:

Short stroke cylinder and valves.

INSTALLATION

PZA is assembled by hand on the plunger. If using assembly tool the mounting area should not have any sharp edges. Before mounting PZA must be lubricated with oil system.

NOTES: Small axial housing make PZA to be used in short stroke cylinders. For special applications that require high temperatures , PZA can be produced in FPM material.

MATERIAL: NBR 70SH
OPERATING CONDITIONS
MEDIA Prepared , dried and de-oiled compressed air
TEMPERATURE -20°C +100 °C
PRESSURE ≤12 Bar
SPEED ≤1.0 m/s

Note: The above data are maximum values and cannot be used at the same time.

MATERIAL: PU 90SH
OPERATING CONDITIONS
MEDIA Prepared , dried and de-oiled compressed air
TEMPERATURE -20°C +90 °C
PRESSURE ≤20 Bar
SPEED ≤1.0 m/s

Note: The above data are maximum values and cannot be used at the same time.

 

SURFACE ROUGHNESS Rmax
Sliding Surface  ØD ≤4 μm
Groove Base  Ød ≤10 μm
Groove Flanks  B ≤15 μm

Note: It is recommended to have 50% to 90% of the working surface material contact area value.

 

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# Vota code Name Application Material Pressure
(bar)
Temperature °C Sliding Speed (m/s)
zuiger-afdichting/pza-pneumatic PZA PNEUMATIC PZA (DOUBLE ACTION PISTONSEAL PNEUMATIC) PISTON NBR 70SH 12 -20°C +100 °C 1.0
PU 90SH 20 -30°C +90 °C 1.0
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