For General Use Valves & Reciprocating Motion Machines - Valqua® No. 6232. Coil packing made of carbon fiber yarns, processed with PTFE dispersion and lubricating oil, then braided into a square-cross section and finished with PTFE, fine graphite and lubricating oil. Features: Good compatibility with shafts means excellent sealing property even at low tightening pressures. Suitable for almost all fluids except for strong oxidizing fluids.