This standard specifies the hydrostatic test procedure to be applied to pressure containing parts of all types of liquid pumps including any auxiliary equipment making up a pump unit as described in the scope of EN 809:1998, except : - domestic water pumps within the scope of EN 60335-2-41:1996 or EN 60335-2-51:1997 ; - domestic circulation pumps within the scope of EN 1151:1999 ; - fire-fighting pumps with primers within the scope of EN 1028-1:2002+A1:2008 and EN 1028-2:2002+A1:2008; - pump parts with a maximum allowable working pressure below 0.1 bar.