Success Story > Repair pump for decanting chemical products
Repair pump for decanting chemical products
Sector: Iron and steel industry and heavy industryInitial state
Operations performed
- Dismantle and clean the pump.
- Rectification and lapping of the friction surface on the rotating part (Q).
- Manufacturing of a new stationary part (Q).
- New FKM O-rings.
- New FKM oils seals and bearings.
- Assembly and sealing test.
Application
1 out of the 3 pumps used in the HCI pumping process used to strip metallic pieces.
Product: alkaline soap and water. Mix used for cleaning the main pump (HCI pumping).
T: 50°C
P: 2. 7 bar
Diagnosis
- The stationary friction surface shows unrecoverable fissures.
- The rest of the seal (rotating part and bellows) shows standard wear.
- The installation of the seal and the pump impeller (PP pieces) do not show any damage.
Result
