API 589 Fire Test approved packing.
With the last approval, Fire Test in accordance with API 589, the set of approvals API 622 is now complete. The range of products which comply the API 622 requirements is large and permits to the valve manufacturers the compliance with the API 624 requirements.
The products covered by API 589 are:
- stem set for valves PGT3 GR8622
- stem set for valves PGT4 GR8622
- compression packing for maintenance GR8622