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Composite Sealing Washer Praedifa Series WZ
Brand: PraedifaThe WZ composite sealing washer consists of a metal washer with a rectangular cross section and an elastomer sealing lip with a trapezoidal cross section that is vulcanized to the inside. It is a further development of the WX series and has an additional self-centering function. The WZ composite sealing washer has been designed to replace copper washers in high-pressure systems and is a time-tested and low-cost solution for screw head and flange sealing areas. The elastomer sealing lip is chemically bonded to the metal carrier.
The seal has been designed for use in high-pressure applications and can far exceed the sealing effect of copper washers or similar metal seals. Assembly is self-centering and directionally independent.
Specifications
Brand
Cushioning Mechanism
- No
Length Unit of Measure
- mm
Maximum Surface Speed (m/sec)
- 0
Maximum Working Pressure (bar)
- 1000, 1500, 1250, 1130, 1550, 1330, 1350, 1260, 1150, 1510, 1400, 1275, 1060, 900, 1050, 810, 860, 690, 950, 700, 680
Maximum Working Temperature (°C)
- 100° to 200° C
Media
- Hydraulic
Minimum Working Temperature (°C)
- -50° to -20° C
Polymer Family
- HNBR (Hydrogenated Nitrile-Butadiene), NBR (Nitrile-Butadiene), FKM (Fluorcarbon), EPDM (Ethylene Propylene Rubber)
Pressure Range (bar)
- Extremely High Pressure (> 500 bar)
Thermal Application (°C)
- Standard Moderate Temperature (-35° to 100° C)