hazloc
I am wanting to use some ATEX certified electrical heaters to heat natural gas. Customer is requesting NEC certification. Everyone tells me the ATEx is a higher level of certification is that correct.
Mike, When you fit the couplings are you locking the seal to the shaft before or after you set the impeller lift. If you do it before it could simply be that the seals are not in the correct possition. Agree about the runouts on vertical pumps they always cause problems. Most arrangements of...