Rod seal Prädifa series B4 | Product Series

Filter by

    No filters selected

Inside Diameter (mm)

Outside Diameter (mm)

Element Height (mm)

Groove Width

Minimum Working Temperature (C)

Maximum Working Temperature (C)

Seal Material

Get your Parker account Today!

Create one account to manage everything you do with Parker, from your shopping preferences to your application access.


LOADING IMAGES
Rod seal Prädifa series B4 Rod seal Prädifa series B4

Rod seal Prädifa series B4

Rod seal for hydraulic cylinders, single-acting, polyurethane u-cup design with anti-extrusion ring. For high-pressure applications and extreme pressure peaks. Robust seal profile for harshest operating conditions. ISO 5597, ISO 6020.

Technical Specifications

  • Thermal Application Type: Standard Moderate Temperature (-35 to 100°C), Low Temperature (< -35 C), High Temperature (< 205°C)
  • Media: Hydraulic
  • Polymer Material Options: Thermoplastic Polyurethane (TPU, Resilon®, Ultrathan®)
  • Maximum Operating Pressure: 500 bar
  • Minimum Operating Temperature: -45 to -20 °C
  • Maximum Operating Temperature: 95 to 110 °C
  • Maximum Surface Speed: 0.5 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Pressure Rating: Extremely High Pressure (> 500 bar)
Safety Warning

Full Product Description

The B4 Ultrathan® rod seal is a U-ring with interference fit on the outer diameter. It is extremely wear-resistant and, due to the anti-extrusion ring, resistant against pressure peaks and ensures reliable load holding performance. It is suitable for high-pressure hydraulics applications of up to 1000 bar.

• Robust seal profile for harshest operating conditions.
• Extreme wear resistance.
• Easier installation.
• Insensitive to extreme pressure peaks.
• Extremely high extrusion resistance.
• Excellent media resistance in case of suitable compound selection.
• Suitable compounds available for special requirements of the chemical process industry.
• Suitable compounds available for special requirements of the food processing industry.
• Dimensions according to ISO 5597.
• Installation in closed and undercut housings.
• Additional sizes of machined products available on short notice.

Range of application:
Mainly for the sealing of piston rods and plungers in heavy-duty applications in mobile and stationary hydraulics. The dimensions mainly conform to the requirements of ISO 5597 and ISO 3320 for housing and diameters respectively.

Related Documents

×
Products Inside Diameter (mm) Outside Diameter (mm) Element Height (mm) Groove Width Minimum Working Temperature (C) Maximum Working Temperature (C) Seal Material
B4001400603 14 20 4.5 5.2 -35 110 P6000
B4001800603 18 24 4.5 5.2 -35 110 P6000
B4002200603 22 28 4.5 5.2 -35 110 P6000
B4003000603 30 38 5.7 6.3 -35 110 P6000
B4003800603 38 46 5.7 6.3 -35 110 P6000
B4004000603 40 50 7.3 8 -35 100 P5008
B4004500603 45 53 5.6 6.3 -35 110 P6000
B4005500603 55 65 7.3 8 -35 110 P6000
B4006000603 60 70 10 11 -35 100 P5008
B4008000603 80 95 11.4 12.5 -35 100 P5008
B4011000664 110 130 14.5 16 -35 110 P6000
B4012000657 120 140 15 16 -35 100 P5008
B4016000657 160 180 15 16 -35 100 P5008
B4017000657 170 195 18.2 20 -35 100 P5008
B4018000656 180 205 18.2 20 -45 95 P5009
B4021000664 210 240 22.7 25 -35 110 P6000
B4022000657 220 250 22.7 25 -35 100 P5008
B4023000657 230 260 22.7 25 -35 100 P5008
B4025000657 250 280 22.7 25 -35 100 P5008
B4028000664 280 310 22.7 25 -35 110 P6000
B4030000664 300 330 22.7 25 -35 110 P6000

687466
687424