To describe a standard operating procedure (SOP) for leak test of pressure filter/leaf filter.
1.0 PURPOSE:
To describe a standard operating procedure (SOP) for leak test of pressure filter/leaf filter.
2.0 SCOPE:
The SOP describes in detail the method of leak test of pressure filter/leaf filter.
3.0 RESPONSIBILITY:
The responsibility of leak test of pressure filter/leaf filter as per the SOP lies with the staff of the rank not lower than operator of the production department.
The responsibility of preparing, reviewing and approving the SOP lies with the Officer (Production), Head of Production and Head of QAD respectively.
4.0 METHOD:
4.1 Fix the dummy or close the valve of outlet of pressure filter/leaf filter.
4. 2 Apply 1.0 - 1.5 kg/cm2 of air through inlet line of pressure filter/leaf filter and close inlet valve of air line. Wait for 15 min.
4. 3 If there is any pressure drop, tight the bolts.
4. 4 Repeat steps 4.2 and 4.3 till the filter is leak free.
5.0 RECORDING:
The responsibility of recording the leak test in the log book lies with the supervisor.
Pressure, filter leaf filter, production
