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Composition Cup & Cone flexible graphite formed Rings with differentiated bulk density Wiper Rings GR80SGR Features Controller One Evolution is the Cup & Cone stem's packing, Low Emissions VDI2440 approved, that offers great resistance and reliability for long time, thanks to the special configuration that preserves the packing from the aging and guarantees the recovery. Equipped with the special wiper rings GR80SGR, Controller One Evolution can work easily with all industrial fluids in high pressure and temperature services, according to the EN 14772 - section 6.7 weight loss requirements. Applications Stem's packing for Low Emissions Industrial Valves
| 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) |