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1622
Chesterton 1622 is a high-performance graphite valve packing reinforced with Inconel mesh, designed to minimize fugitive emissions. It delivers proven low leakage rates, with certified performance under API 622 and API 607 fire-safe standards.
Ideal for chemical, petrochemical, and refinery applications, it handles high pressures and temperatures while offering long-term sealing, corrosion protection, and easy single-spool installation.
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Product Features
✔ Extremely low emissions
✔ Fire safe to API 607
✔ Single spool packing
✔ High-pressure capability
✔ API 622 3rd edition tested and qualified
✔ API 624 tested a qualified for numerous valve OEMs
✔ ChevronTexaco Standard tested and passed
✔ Valve packing emission warranty
✔ ISO 15848-1 passed CO2 at 200˚C to the tightness class BH
✔ ISO 15848-1 passed CO2 at 400˚C to the tightness class BH
Technical Data ↓
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Light and heavy hydrocarbons, VOCs, VHAPs, steam, and most non-oxidizing chemicals
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Nickel alloy, wire-reinforced, flexible graphite packing with special blocking agents
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3.2 ( 0.125 inch )
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25.4 ( 1 )
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5000 PSIg ( 345 BARg )
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1200 °F ( 650 °C )
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450°C (850°F) oxidizing atmosphere Temperature Limit
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14 pH
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Except in strong oxidizers