Watson-Marlow 520Du - Manual (Page 88)

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 88
Note: To achieve 4 bar and 7 bar pressures using a 520RE pump and the appropri-
ate rotor and element, the pump must rotate counter-clockwise.
Element and rotor pressure ratings
Colour of flexible rotor cap and element connector sleeve
Grey Beige Blue
520REL
Pressures
up to 2 bar (30 psi)
Bore sizes
3.2mm, 6.4mm and
9.6mm
520REM
Pressures
up to 4 bar (60 psi)
Bore sizes
3.2mm and 6.4mm
520REH
Pressures
up to 7 bar (100 psi)
Bore size
3.2mm
Industrial
Marprene
TL
Pumpsil
Neoprene
Chem-Sure
Sanitary
Bioprene
TL
Pumpsil
Sta-Pure
Chem-Sure
Industrial
Marprene
TM
Chem-Sure
Sanitary
Bioprene
TM
Sta-Pure
Industrial
Marprene
TH
Sta-Pure
Sanitary
Bioprene
TH
Sta-Pure
Element connectors for industrial and sanitary use
Industrial Sanitary
Check that the conical connector sleeve of the element
to be fitted is the same colour as the pumphead rotor
cap