API std 622 3rd Edition packing approved.
PGT4 GR8622 it’s a special valve stem graphite sealing kit composed by formed flexible graphite rings and wiper braided rings style GR8622.
This graphite packing, which meets the Low Emission API std 622 3rd Edition requirements, guarantees long term service.
- API std 622 3rd Edition Packing Approved Low Fugitive Emissions
- Corrosion Test
- Fire test API 589