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Composition V80E SIGRAFLEX E GR8800 P.A.N. yarns packing Pure graphite impregnation Inorganic corrosion inhibitor Features Controller 2 is a graphite sealing stem’s packing whit special middling rings. Controller 2 shows a very excellent resistance to the extrusion and a very low coefficient of friction, needing low bolt torque. It’s a low emission sealing stem’s packing with high recovery. Applications Designed for valve’s stem, Controller 2 is suitable with all industrial fluids and gases, except the strong oxidizers. Avoid the combustion gases. With mild oxidizers and hot air the use has to be limited at 450°C
P bar | Ibf/in2 | Vm/S | f/pm | pH | T °C | °F |
300 | 4500 | 1 | 200 | 0÷14(3) | -100 ÷ +450(1) +650(2) | -150 ÷ 840(1) / 1200(2) |