Piston seal Prädifa series PZ | Product Series

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Outside Diameter (mm)

Inside Diameter (mm)

Element Height (mm)

Groove Width

Minimum Working Temperature (C)

Maximum Working Temperature (C)

Seal Material

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Piston seal Prädifa series PZ

Piston seal Prädifa series PZ

Where to Buy

Piston seal for pneumatic cylinders, double-acting. Short axial length.

Technical Specifications

  • Maximum Operating Temperature: 80 to 200 °C
  • Thermal Application Type: Expanded Low and High Temperature (< -35 to 140°C), High Temperature (< 205°C), Low Temperature (< -35 C), Standard Moderate Temperature (-35 to 100°C)
  • Media: Pneumatic
  • Polymer Material Options: Nitrile Butadiene Rubber (NBR, XNBR), Fluorocarbon Rubber (FKM, FPM), Hydrogenated Nitrile Butadiene Rubber (HNBR, HSN), Ethylene Propylene Rubber (EPM, EPR, EPDM)
  • Maximum Operating Pressure: 12 bar
  • Minimum Operating Temperature: -50 to -5 °C
  • Maximum Surface Speed: 1 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Pressure Rating: Pneumatic Pressure (< 16 bar)
Safety Warning

Full Product Description

The PZ pneumatic piston seal has been developed for use in pneumatic cylinders and in valves. The double-acting piston seal requires only very small housing dimensions and is therefore especially suitable for compact cylinders.

• Due to application-optimized geometry and compounds suitable for use in oiled as well as in oil-free air (after initial lubrication on assembly).
• Good sealing performance in extremely small assembly conditions.
• Can also be used for single-acting applications.
• Good wear resistance.
• Low static and dynamic friction thanks to miniaturized design.
• Smooth running due to optimum lubricant-retaining sealing lip geometry.
• Suitable for fully automatic installation
• Assembly on one-part piston is possible.
• High temperature resistance in case of suitable compound selection.
• Excellent media resistance in case of suitable compound selection.
• Short axial assembly length.
• Installation in closed housings.

Range of application:
Pneumatic cylinders and valves.

Related Documents

Product Demos & Tutorials
How to Properly Store and Clean Elastomer Seals
Mixing the right ingredients: Material Development at Parker-Prädifa
Parker Final Exam in Physics / Sealing Systems Put to the Test
Literature and Reference Materials
Pneumatic Seals--PTD3351
Compound Data Sheet NBR N3571
Installation Guidelines for Piston Seals--PTD3351
Piston seal PZ--PTD3351
Storage and Cleaning of Elastomer Seals--PTD3032
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Products Outside Diameter (mm) Inside Diameter (mm) Element Height (mm) Groove Width Minimum Working Temperature (C) Maximum Working Temperature (C) Seal Material
PZ6051NB146 63 51 3.4 4 -35 100 NB146
PZ6051N3571 63 51 3.4 4 -35 100 N3571
PZ6051N8602 63 51 3.4 4 -50 80 N8602
PZ6051V3681 63 51 3.4 4 -20 200 V3681
PZ7563V3681 75 63 3.4 4 -20 200 V3681
PZ8010NB146 80 68 3.4 4 -35 100 NB146
PZ8010N3571 80 68 3.4 4 -35 100 N3571
PZ8010N8602 80 68 3.4 4 -50 80 N8602
PZ8010V3681 80 68 3.4 4 -20 200 V3681
PZA008NB146 100 88 3.4 4 -35 100 NB146
PZA008N3571 100 88 3.4 4 -35 100 N3571
PZA008N8602 100 88 3.4 4 -50 80 N8602
PZA008V3681 100 88 3.4 4 -20 200 V3681
PZC050NB146 125 110 4.4 5 -35 100 NB146
PZC050N3571 125 110 4.4 5 -35 100 N3571
PZC050N8602 125 110 4.4 5 -50 80 N8602
PZC050V3681 125 110 4.4 5 -20 200 V3681
PZC051N3571 125 110 4.4 5 -35 100 N3571
PZE001NB146 140 125 4.4 5 -35 100 NB146
PZG001NB146 160 145 4.4 5 -35 100 NB146
PZJ001N8615 180 165 4.4 5 -25 130 N8615
PZ1006N3571 10 6.5 1.4 1.8 -35 100 N3571
PZ1006N8602 10 6.5 1.4 1.8 -50 80 N8602
PZ1207N3571 12 7 2 2.5 -35 100 N3571
PZ1207V3681 12 7 2 2.5 -20 200 V3681
PZ1605NB146 16 9 2.1 2.5 -35 100 NB146
PZ1605N3571 16 9 2.1 2.5 -35 100 N3571
PZ1605N8602 16 9 2.1 2.5 -50 80 N8602
PZ1605N8615 16 9 2.1 2.5 -25 130 N8615
PZ1605V3681 16 9 2.1 2.5 -20 200 V3681
PZ2013N3571 20 13 2.1 2.5 -35 100 N3571
PZ2013N8602 20 13 2.1 2.5 -50 80 N8602
PZ2013N8615 20 13 2.1 2.5 -25 130 N8615
PZ2013V3681 20 13 2.1 2.5 -20 200 V3681
PZ2518NB146 25 18 2.1 2.5 -35 100 NB146
PZ2518N3571 25 18 2.1 2.5 -35 100 N3571
PZ2518N8602 25 18 2.1 2.5 -50 80 N8602
PZ2518V3681 25 18 2.1 2.5 -20 200 V3681
PZ2819N3571 28 19 2.5 3 -35 100 N3571
PZ2819V3681 28 19 2.5 3 -20 200 V3681
PZ3021N3571 30 21 2.5 3 -35 100 N3571
PZ3021N8615 30 21 2.5 3 -25 130 N8615
PZ3021V3681 30 21 2.5 3 -20 200 V3681
PZ3210NB146 32 23 2.5 3 -35 100 NB146
PZ3210N3571 32 23 2.5 3 -35 100 N3571
PZ3210N8602 32 23 2.5 3 -50 80 N8602
PZ3210N8615 32 23 2.5 3 -25 130 N8615
PZ3210V3681 32 23 2.5 3 -20 200 V3681
PZ3210V8550 32 23 2.5 3 -25 200 V8550
PZ3520N3571 35 26 2.5 3 -35 100 N3571
PZ3520V3681 35 26 2.5 3 -20 200 V3681
PZ4031NB146 40 31 2.5 3 -35 100 NB146
PZ4031N3571 40 31 2.5 3 -35 100 N3571
PZ4031N8615 40 31 2.5 3 -25 130 N8615
PZ4031V3681 40 31 2.5 3 -20 200 V3681
PZ4520N3571 45 36 2.5 3 -35 100 N3571
PZ4520N8615 45 36 2.5 3 -25 130 N8615
PZ4520V3681 45 36 2.5 3 -20 200 V3681
PZ4637V3681 46 37 2.5 3 -20 200 V3681
PZ5010NB146 50 41 2.5 3 -35 100 NB146
PZ5010N3571 50 41 2.5 3 -35 100 N3571
PZ5010N8615 50 41 2.5 3 -25 130 N8615
PZ5010V3681 50 41 2.5 3 -20 200 V3681
PZ2215NB146 22 15 2.4 3 -35 100 NB146
PZ4031N8602 40.0 31.0 2.1 2.5 -50 80 N8602
PZ5010N8602 50.0 41.0 2.1 2.5 -50 80 N8602
PZ4637N8602 46 37 2.5 2.5 -50 80 N8602
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