Rod sealing set Prädifa series OD, Polon® | Product Series

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Outside Diameter (mm)

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Maximum Working Temperature (C)

Seal Material

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Rod sealing set Prädifa series OD, Polon® Rod sealing set Prädifa series OD, Polon®

Rod sealing set Prädifa series OD, Polon®

Where to Buy

Rod sealing set for hydraulic cylinders, single-acting, PTFE slipper seal design. Low friction. For high-pressure applications. ISO 7425.

Technical Specifications

  • Thermal Application Type: Standard Moderate Temperature (-35 to 100°C), High Temperature (< 205°C), Low Temperature (< -35 C), Expanded Low and High Temperature (< -35 to 140°C)
  • Media: Hydraulic
  • Polymer Material Options: Polytetrafluoroethylene (PTFE, mPTFE, TFM, Polon®), Thermoplastic Polyurethane (TPU, Resilon®, Ultrathan®), Ultra-High Molecular Weight Polyethylene (UHMW-PE)
  • Maximum Operating Pressure: 400 bar, 160 bar
  • Minimum Operating Temperature: -50 to -25 °C
  • Maximum Operating Temperature: 80 to 200 °C
  • Maximum Surface Speed: 0.5 m/sec, 4 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Pressure Rating: High Pressure (< 500 bar)
Safety Warning

Full Product Description

The single-acting OD rod sealing set featuring a Slipper Seal® design consists of a PTFE rod seal and an elastomer O-ring as a preloading element. The asymmetric cross-section of the seal has been designed for optimum return of drag oil during the stroke in both directions. The optimum sealing effect is achieved by installation in a tandem arrangement in combination with a double wiper ring. The OD product series is particularly well suited for piston rods in control cylinders, servo-assisted systems, machine tools and quick-acting cylinders. The sealing set is successfully used in the automotive industry (e.g. in shock absorbers) and the process industry as well. Due to the material combination of the slide ring (PTFE) and the O-ring (elastomer), this product is suitable for a wide range of applications, especially for aggressive media and/or high temperatures. Several alternative compounds may be selected depending on the specific application profile.

• Good sealing performance in extremely small assembly conditions.
• Excellent wear resistance.
• Minimal break-away and dynamic friction and no stick-slip tendency ensures uniform motion even at low speeds.
• Good energy efficiency due to low friction.
• Insensitive to pressure peaks.
• High temperature resistance assured by suitable O-ring compound selection.
• High extrusion resistance.
• Adaptable to nearly all media thanks to high chemical resistance of the sealing ring and large O-ring compound selection.
• Dimensions according to ISO ¬7425-2.
• Also available as double-acting version.
• Short axial assembly length.
• Installation in closed and undercut housings.
• Available in diameters from 4 to 4500 mm.
• Further dimensions of machined series with short lead times available.

Range of application:
Rod sealing set for hydraulic cylinders.

Related Documents

Literature and Reference Materials
Hydraulic Seals--PTD3350
Compound Data Sheet NBR N0674
Installation Guidelines for Rod Seals--PTD3350
Installation Guidelines for SlipperSeals® - Rod Seals--PTD3354
Slipper Seal®--Rod sealing set OD--PTD3350
Storage and Cleaning of Elastomer Seals--PTD3032
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
Communities, Blogs & Industry Links
Industry Hydraulics
Sealing solutions for the mobility of the future
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Products Inside Diameter (mm) Outside Diameter (mm) Element Height (mm) Groove Width Minimum Working Temperature (C) Maximum Working Temperature (C) Seal Material
OD110007500171D 110 125.1 6.3 6.3 -30 100 PS075
OD127005200171D 127 142.1 6.3 6.3 -30 100 PS052
OD160005200171E 160 180.5 8.1 8.1 -30 100 PS052
OD125005200171D 125 140.1 6.3 6.3 -30 100 PS052
OD125005200171E 125 145.5 8.1 8.1 -30 100 PS052
OD125038000171E 125 145.5 8.1 8.1 -30 100 PS380
OD130005200171D 130 145.1 6.3 6.3 -30 100 PS052
OD140005200171D 140 155.1 6.3 6.3 -30 100 PS052
OD145005200171E 145 165.5 8.1 8.1 -30 100 PS052
OD160005200171D 160 175.1 6.3 6.3 -30 100 PS052
OD180005200171D 180 195.1 6.3 6.3 -30 100 PS052
OD2000P600000171D 200 215.1 6.3 6.3 -30 100 PSP60
OD200005200171E 200 220.5 8.1 8.1 -30 100 PS052
OD210005200171E 210 230.5 8.1 8.1 -30 100 PS052
OD220005200171E 220 240.5 8.1 8.1 -30 100 PS052
OD2300P600000171E 230 250.5 8.1 8.1 -30 100 PSP60
OD240005200171E 240 260.5 8.1 8.1 -30 100 PS052
OD250005200171E 250 270.5 8.1 8.1 -30 100 PS052
OD270005200171F 270 294 8.1 8.1 -30 100 PS052
OD280005200171F 280 304 8.1 8.1 -30 100 PS052
OD290005200171F 290 314 8.1 8.1 -30 100 PS052
OD300005200171F 300 324 8.1 8.1 -30 100 PS052
OD320005200171F 320 344 8.1 8.1 -30 100 PS052
OD346005200171F 346 370 8.1 8.1 -30 100 PS052
OD360005200171F 360 384 8.1 8.1 -30 100 PS052
OD400005200171F 400 424 8.1 8.1 -30 100 PS052
OD430005200171F 430 454 8.1 8.1 -30 100 PS052
OD450005200171F 450 474 8.1 8.1 -30 100 PS052
OD003005200171A 3 7.9 2.2 2.2 -30 100 PS052
OD016008000171A 16 23.3 3.2 3.2 -30 100 PS080
OD020003000171C 20 30.7 4.2 4.2 -30 100 PS030
OD250008300171E 250 270.5 8.1 8.1 -30 100 PS083
OD260005200171F 260 284 8.1 8.1 -30 100 PS052
OD300008300171F 300 324 8.1 8.1 -30 100 PS083
OD340008300171F 340 364 8.1 8.1 -30 100 PS083
OD370005200171F 370 394 8.1 8.1 -30 100 PS052
OD370008300171F 370 394 8.1 8.1 -30 100 PS083
OD380008300171F 380 404 8.1 8.1 -30 100 PS083
OD440005200171F 440 464 8.1 8.1 -30 100 PS052
OD008005200171A 8 12.9 2.2 2.2 -30 100 PS052
OD008005200171B 8 15.3 3.2 3.2 -30 100 PS052
OD010005200171A 10 14.9 2.2 2.2 -30 100 PS052
OD010005200171B 10 17.3 3.2 3.2 -30 100 PS052
OD012005200171A 12 16.9 2.2 2.2 -30 100 PS052
OD014005200171A 14 18.9 2.2 2.2 -30 100 PS052
OD014005200171B 14 21.3 3.2 3.2 -30 100 PS052
OD016005200171A 16 20.9 2.2 2.2 -30 100 PS052
OD016005200171B 16 23.3 3.2 3.2 -30 100 PS052
OD018005200171A 18 22.9 2.2 2.2 -30 100 PS052
OD018005200171B 18 25.3 3.2 3.2 -30 100 PS052
OD018008000171A 18 22.9 2.2 2.2 -30 100 PS080
OD020005200171B 20 27.3 3.2 3.2 -30 100 PS052
OD020005200171C 20 30.7 4.2 4.2 -30 100 PS052
OD020008000171B 20 27.3 3.2 3.2 -30 100 PS080
OD022005200171B 22 29.3 3.2 3.2 -30 100 PS052
OD022005200171C 22 32.7 4.2 4.2 -30 100 PS052
OD025005200171B 25 32.3 3.2 3.2 -30 110 PS052
OD025005200171C 25 35.7 4.2 4.2 -30 100 PS052
OD025405200171B 25.4 32.7 3.2 3.2 -30 100 PS052
OD028005200171C 28 38.7 4.2 4.2 -30 100 PS052
OD030005200171B 30 37.3 3.2 3.2 -30 100 PS052
OD030005200171C 30 40.7 4.2 4.2 -30 100 PS052
OD032005200171C 32 42.7 4.2 4.2 -30 100 PS052
OD032008000171B 32 39.3 3.2 3.2 -30 100 PS080
OD032038000171C 32 42.7 4.2 4.2 -30 100 PS380
OD035005200171C 35 45.7 4.2 4.2 -30 100 PS052
OD036005200171B 36 43.3 3.2 3.2 -30 100 PS052
OD036005200171C 36 46.7 4.2 4.2 -30 100 PS052
OD040005200171C 40 50.7 4.2 4.2 -30 100 PS052
OD040005200171D 40 55.1 6.3 6.3 -30 100 PS052
OD042005200171D 42 57.1 6.3 6.3 -30 100 PS052
OD042008300171C 42 52.7 4.2 4.2 -30 100 PS083
OD045003000171D 45 60.1 6.3 6.3 -30 100 PS030
OD045005200171C 45 55.7 4.2 4.2 -30 100 PS052
OD045005200171D 45 60.1 6.3 6.3 -30 100 PS052
OD050005200171C 50 60.7 4.2 4.2 -30 100 PS052
OD050005200171D 50 65.1 6.3 6.3 -30 100 PS052
OD055005200171C 55 65.7 4.2 4.2 -30 110 PS052
OD055005200171D 55 70.1 6.3 6.3 -30 100 PS052
OD055105200171D 55.1 70.2 6.3 6.3 -30 100 PS052
OD056005200171C 56 66.7 4.2 4.2 -30 100 PS052
OD056005200171D 56 71.1 6.3 6.3 -30 100 PS052
OD056038000171D 56 71.1 6.3 6.3 -30 100 PS380
OD060005200171C 60 70.7 4.2 4.2 -30 100 PS052
OD060005200171D 60 75.1 6.3 6.3 -30 100 PS052
OD063005200171C 63 73.7 4.2 4.2 -30 100 PS052
OD063005200171D 63 78.1 6.3 6.3 -30 100 PS052
OD070005200172D 70 85.1 6.3 6.3 -25 200 PS052
OD125005200172D 125 140.1 6.3 6.3 -25 200 PS052
OD200005200172E 200 220.5 8.1 8.1 -25 200 PS052
OD008005200172B 8 15.3 3.2 3.2 -25 200 PS052
OD012005200172A 12 16.9 2.2 2.2 -25 200 PS052
OD016005200172A 16 20.9 2.2 2.2 -25 200 PS052
OD022005200172B 22 29.3 3.2 3.2 -25 200 PS052
OD025005200172B 25 32.3 3.2 3.2 -25 200 PS052
OD050005200172D 50 65.1 6.3 6.3 -25 200 PS052
OD060005200172D 60 75.1 6.3 6.3 -25 200 PS052
OD090005200172D 90 105.1 6.3 6.3 -25 200 PS052
OD715005200172F 715 739 8.1 8.1 -25 200 PS052
OD080027600173D 80 95.1 6.3 6.3 -50 110 PS276
OD120005200173D 120 135.1 6.3 6.3 -50 110 PS052
OD028007400174C 28 38.7 4.2 4.2 -40 150 PS074
OD063003000174D 63 78.1 6.3 6.3 -40 150 PS030
OD090005200179D 90 105.1 6.3 6.3 -30 110 PS052
OD100005200179D 100 115.1 6.3 6.3 -30 110 PS052
OD280031400179F 280 304 8.1 8.1 -30 110 006
OD350031400179F 350 374 8.1 8.1 -30 110 006
OD440031400179F 440 464 8.1 8.1 -30 110 PS314
OD045005200179D 45 60.1 6.3 6.3 -30 110 PS052
OD440008300171F 440 464 8.1 8.1 -30 100 PS083
OD018005200172B 18 25.3 3.2 3.2 -25 200 PS052
OD020005200172B 20 27.3 3.2 3.2 -25 200 PS052
OD028005200172B 28 35.3 3.2 3.2 -25 200 PS052
OD028005200172C 28 38.7 4.2 4.2 -25 200 PS052
OD032005200172B 32 39.3 3.2 3.2 -25 200 PS052
OD036005200172B 36 43.3 3.2 3.2 -25 200 PS052
OD040005200172C 40 50.7 4.2 4.2 -25 200 PS052
OD045005200172C 45 55.7 4.2 4.2 -25 200 PS052
OD045005200172D 45 60.1 6.3 6.3 -25 200 PS052
OD056005200172C 56 66.7 4.2 4.2 -25 200 PS052
OD056005200172D 56 71.1 6.3 6.3 -25 200 PS052
OD025003000171B 25 35.7 4.2 4.2 -30 100 PS030
OD038005200171C 38 48.7 4.2 4.2 -30 100 PS052
OD050005200171N 50 65.5 6.3 6.3 -30 100 PS052
OD050805200171C 50.8 61.5 4.2 4.2 -30 100 PS052
OD065005200171C 65 75.7 4.2 4.2 -30 100 PS052
OD069005200171D 69 84.1 6.3 6.3 -30 100 PS052
OD055005200179D 55 70.1 6.3 6.3 -30 110 PS052
OD060005200179D 60 75.1 6.3 6.3 -30 110 PS052
OD065005200171D 65 80.1 6.3 6.3 -30 100 PS052
OD065008300171D 65 80.1 6.3 6.3 -30 100 PS083
OD070005200171C 70 80.7 4.2 4.2 -30 100 PS052
OD070005200171D 70 85.1 6.3 6.3 -30 100 PS052
OD070007400171D 70 85.1 6.3 6.3 -30 100 PS074
OD075005200171D 75 90.1 6.3 6.3 -30 100 PS052
OD080005200171D 80 95.1 6.3 6.3 -30 100 PS052
OD085005200171D 85 100.1 6.3 6.3 -30 100 PS052
OD090005200171D 90 105.1 6.3 6.3 -30 100 PS052
OD090008300171D 90 105.1 6.3 6.3 -30 100 PS083
OD100005200171D 100 115.1 6.3 6.3 -30 100 PS052
OD101605200171C 101.6 112.3 4.2 4.2 -30 100 PS052
OD110005200171D 110 125.1 6.3 6.3 -30 100 PS052
OD110038000171E 110 130.5 8.1 8.1 -30 100 PS380
OD120005200171D 120 135.1 6.3 6.3 -30 100 PS052
OD032005200171B 32 39.3 3.2 3.2 -30 100 PS052
OD035005200171B 35 42.3 3.2 3.2 -30 100 PS052
OD080005200172D 80 95.1 6.3 6.3 -25 200 PS052
OD095005200171D 95 110.1 6.3 6.3 -30 100 PS052
OD015005200171B 15 2.3 3.2 3.2 -30 100 PS052
OD350005200171F 350 374 8.1 8.1 -30 100 PS052
OD490005200171F 490 514 8.1 8.1 -30 100 PS052
OD150005200171D 150 165.10 6.3 6.3 -30 100 PS052
OD117005200171C 117 127.7 4.2 4.2 -30 100 PS052
OD500005200171F 500 524 8.1 8.1 -30 100 PS052
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