Expanded Graphite Packing Set, API 622, ID 5-500 mm, 30 MPa

Aug 05, 2025

Product Name: Expanded Graphite Combination Packing Set, Ultra-low Emission Valve Packing
Material: Expanded Graphite, Inconel Wire Mesh
Diameters: 5-500 mm ID
Pressure: 30 MPa, 300 bar
PH: 0-14
Temperature Range: -196°C to 538°C
Low Fugitive Emission Control: API 622
End Rings:
Braided high-purity packing made from expanded graphite Inconel wire mesh jacketed yarn for high strength and extrusion resistance with excellent sealability.
The packing is impregnated with a high-temperature resistant, proprietary emulsion to ensure ultra-low friction.
Intermediate Rings: Special molded rings of high purity graphite foil that offer low friction and excellent heat transfer characteristics, plus high-efficiency sealing.
Typical Applications:
Stop valves and control valves performing arduous duties with media such as hydrocarbon liquid fuels and gases.
Applications requiring VOC fugitive emission control to 100 ppm or better, with a maximum working temperature of up to +538°C (+1000°F).

The packing is qualified to API 622 standard. It ensures ultra-low emissions performance even at high temperatures, combined with zero corrosion and virtually zero friction.