Answer Posted / rajeev singh

Dears,
First sorry for speling mistec.

Ans.- 1. cost factor.
2. keep safe of our casing and impeller.
3. Mainten the clearance beetwin impeller and casing.
guys we can mainten the clearenc without wearing
but think, you wich one esey reples the wearing
or, impeller and casing.

Rajeev Singh
Mechanicial Tech.
SAUDI KAYAN (KSA)
C.W.S

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