Tube road connects P
Weld(Pack the connector quickly) DIN32mm
Thread(Oval flange) ZG1 1/4" or ZG1 1/2"
 
Working condition
They are used for the liquid,which is cold,hot,clean, non-flammable, non-explosive and not including granule.
Liquid temperature: -15ºC to +120ºC
Environment temperature:  MX+120ºC
Minimum entrance pressure: According to NPSH Curve+The minimum and safe the distance of measures 0.5m water head

Size and weight 
Pump model                                       Dimensions(mm)
                                  B1       B2       B1+B2         D1        D2       Weights  (kg)      

QDL4-20                235      225       460           145        110             20
QDL4-30                265      225       490           145        110             20
QDL4-40                295      225       520           145        110             20
QDL4-50                325      245       570           170        150             20
QDL4-60                350      245       595           170        150             20
QDL4-807             420      245       665           170        150             25
QDL4-80                420      245        665          170        150             25
QDL4-100              475      265       740           180        155             30
QDL4-120              530      265       795           180        155             30
QDL4-1604           645      290       935           180        155            35
QDL4-160              645      290       935           180        155            35
QDL4-290              725      325       1050         210        180            35
QDL4-220              805      325       1130         210        180            40