Pillar Gland Packing GFO Style 6511Braided Packing designed for use in high-pressure / high-pressure valves High sealability in steam and oil service in a single-spool packing Flexible Graphite Packing with no PTFE used.Pillar style No.6711 is made from a Pillarfoil® yarn with braid over braid construction, reinforced by inconel wire.SpecificationsTemperature Pressure pH-328 ～ + 1100 ° F(-200 ～ + 600 °) * 3700psi (259 bar)ASME class 1500 0 ～ 14(except strong oxidizers) Gland Packing Graphite