The gaskets are made of
These graphite gaskets are specific for high-temperature applications on ball valve seats. CONTROLLER BACK 1 is configured to provide a compression of about 10-15%, ensuring high recovery capability. BAM approved for use with liquid and gaseous oxygen (BAM Reports 2-1948/2014E and 2-1949/2014E).
Ideal for industrial valves intended for oxygen services, these BAM certified gaskets (report numbers 2-1948/2014E and 2-1949/2014E) cover a wide range of pressures up to class 2500 psi.
 
            | Maximum Temperature °C | Maximum Oxygen Pressure bar | 
| up to 60 | 430 | 
| >60 to 280 | 250 | 
| Maximum combined temperature and pressure with pure oxygen |