I'm working with a supplier to upgrade the air handling unit of our fluid bed granulator, exiting inlet filter(F9) and exhaust filter(F9)will be replaced with HEPA, and fan will also be change accordingly,
Question comes from supplier: to ensure the fan's performance, they said exhaust filter...
Hello,
We're experiencing a serious non-conformance events that inspector has found out some unkown powder were blowing out of room vents, which dropped on the floor like floc, and it could be pressed and grinded into white powder by your fingers.
Air is humidified and filtered(H14) after...
Dears,
I have a problem with our 20C Purity water loop, in summer the water temperature of this loop is higher than 30C,under this temperature, you know, the risk of bio-fouling is high, however we don't want to install another exchanger to cooling the water temp. down, that would be a large...
Our deionized water storage tank has a overflow drainer installed to avoid overflow when level switch fails, which is a U-shape PVC pipe leads to ambient, you know, generally, that's always one U-pipe full of water. However the question is that how and when do you know there is full of water in...
Dear All,
There are some problem with our deionized water system pipe disinfectants selection: We just finished a deionized water system installation, you know, the pipe system is made by PVC pipe to connect the R/O unit, storage tank, Fixed bed demineralizers, Minxed bed demineralizers. Before...
Dear All,
Tubular heat exchanger in our plant we use to produce purified and process water(high temperature) for about 5years but, now condensate leakage is visible at the inner tube plate due to the failed sealing off between tube and plate. Because of the special running condition under which...
We just have finished install a new purity water system in site, and before the first commission of this system, also to meet requirement of QA or cGMP compliance, we must clean and disinfect the system pipe/valves according to necessary procedure. So I want to know if we have a standard SOP...
