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Back-Up Ring Praedifa Series XC, Polon®
Brand: PraedifaThe XC Polon® anti-extrusion ring (spiral cut version) is used in combination with O-rings, preferably in static applications, to prevent gap extrusion. XC anti-extrusion rings are suitable for moderate pressure loads. Due to the spiral shape, the rings are easy to install in closed grooves.
Polon® anti-extrusion rings are available in three versions:
XA: Single turn continuous
XB: Single turn scarf cut
XC: Spiral cut
Features• Insensitive to pressure peaks.
• 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.
• Any desired nominal diameter available due to use of machining technique.
• Installation in closed and undercut housings.
Specifications
Brand
Cushioning Mechanism
- No
Length Unit of Measure
- mm
Maximum Surface Speed (m/sec)
- 0,5, 0, 1,0
Maximum Working Pressure (bar)
- 200, 400
Maximum Working Temperature (°C) Range
- 230° C
Media
- Hydraulic
Minimum Working Temperature (°C) Range
- -190° C
Polymer Family
- PTFE (Polytetrafluoroethylene)
Pressure Range (bar)
- Medium Pressure (< 250 bar)
Thermal Application (°C)
- Extremely High Temperature (> 205° C)