27/01/2022
Throwback Thursday – Summer 2021 meets 1976:
Last summer two large scale safety steering-lever butterfly flap valves from another era have been overhauled at Kühme works. Since 1976 both PKIII/D types are utilized as main shut-off devices in a blast furnace gas fueled power plant:
Size: DN 2000 (ND 80″)
Operating pressure: 100 mbar g
Operating temperature: +100°C
Weight: 9+ metric tons (per valve)
The major overhaul contained renewal and replacement of all main components such as the main shaft, disc plate, etc. Just the valve bodies have been reused after performing detail inspection, wall thickness measurements and strength testing.
As originally performed with original delivery 1976, the function and tightness test has been performed with and witnessed by independent notified body, verifying that our customer now has a valve with proven Kühme reliability in use again for the upcoming operational years.
Service planning for 2022: We have free appointments left, book service for your Kühme valve equipment here:
https://kuehme.de/en/service/
More info on PKIII/D:
https://kuehme.de/en/products/automatic-butterfly-flap-valves/double-seat-technology/
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