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Instrument and meter
PTFE composite rubber gasket
Metal wrapped gasket with inner and outer rings
Perfluororubber O-ring
Fluorinated rubber O-ring
Tetrafluoroelastomer O-ring
Expanded PTFE gasket (soft PTFE gasket)
Expanded PTFE board (soft PTFE board)
Graphite packing ring/self sealing
Metal toothed gasket
Enhanced graphite composite board
Successful operation!