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