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Home Pneumatic Seals Pneumatic Piston Seals

PPA PU Double Acting Piston Seal

PPA PU Double Acting Piston Seal

PPA pneumatic piston seal features a compact PU design, low friction, smooth running performance, and reliable sealing in dry and oil-free air applications.

  • Item NO.:

    PPA
  • Order(MOQ):

    50
  • Payment:

    T/T
  • Product Origin:

    China
  • Shipping Port:

    Shanghai、Ningbo

Product Description


PPA PU Double Acting Piston Seal is a barrel-shaped sealing element designed for use in pneumatic cylinders and valves. Its compact profile requires a small installation groove while providing reliable sealing performance, making it suitable for space-constrained pneumatic applications.

 

With a compact cross-section and smooth sealing lip geometry, PPA helps minimize both dynamic and static friction for smooth and stable piston movement. The pneumatic piston seal is suitable for applications using dry air as well as oil-free compressed air. The smoothly transitioned sealing lips help reduce wear during reciprocating movement, contributing to reliable sealing performance and a longer service life.

 

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Technical Data


Parameter Value
Operating temperature -20°C to +100°C
Working Pressure ≤ 70 MPa
Surface speed ≤ 1 m/s
Material PU+NBR+POM
Design type Mining Rod Seal
Unit system Metric
Working Fluids Water-soluble hydraulic fluid HFA, water-in-oil hydraulic fluid HFB

 

Advantages


  • Compact Installation Groove
  • Low Dynamic & Static Friction
  • Smooth Running Performance
  • Good Wear Resistance
  • Suitable for Dry & Oil-Free Air
  • Reliable Double-Acting Sealing

 

Product Parameter Table


Designation Rod diameter Housing groove diameter Housing groove width Primary sealing element
  [mm] [mm] [mm]  
PPA 10X5.4X1.8 5.4 10 1.8 PU
PPA 12X7.4X1.8 7.4 12 1.8 PU
PPA 15X10.4X1.8 10.4 15 1.8 PU
PPA 16X11.4X1.8 11.4 16 1.8 PU
PPA 20X14X2.4 14 20 2.4 PU
PPA 25X17X3.2 17 25 3.2 PU
PPA 30X22X3.2 22 30 3.2 PU
PPA 32X24X3.2 24 32 3.2 PU
PPA 40X32X3.2 32 40 3.2 PU
PPA 50X40X4 40 50 4 PU
PPA 63X53X4 53 63 4 PU
PPA 80X65X6 65 80 6 PU
PPA 100X85X6 85 100 6 PU
PPA 125X110X6 110 125 6 PU
PPA 140X125X6 125 140 6 PU
PPA 150X135X6 135 150 6 PU
PPA 160X140X8 140 160 8 PU
PPA 175X155X8 155 175 8 PU
PPA 180X160X8 160 180 8 PU
PPA 200X180X8 180 200 8 PU
PPA 250X230X8 230 250 8 PU
PPA 300X280X8 280 300 8 PU

 

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