Watson-Marlow 520DuN IP66/NEMA 4X User Manual
91
32 Pumphead spares
Parts may be ordered individually.
053.1011.100
520R
053.1011.2L0
520R2
053.1011.EL0
520REL
053.1011.EM0
520REM
053.1011.EH0
520REH
1
MNA2050A (520R, 520R2)
Pumphead guard complete with
tool-unlockable latch
2
MNA2045A (520R, 520R2)
Track assembly for cased
pumps complete with spring-
loaded tube clamps
3
MNA2076A (520R - 1.6mm wall tube)
MNA2077A (520R2 - 2.4mm wall tube)
MNA2148A (grey) (520REL)
MNA2149A (beige) (520REM)
MNA2150A (blue) (520REH)
Rotor cover, rotor cap and
clutch button
4
MN2011M
S60022
Clutch
Clutch spring
5
MNA2043A (520R - 1.6mm wall tube)
MNA2001A (520R2 - 2.4mm wall tube)
MNA2138A (520REL - 0-2 bar, 0-30 psi)
MNA2139A (520REM - 2-4 bar, 30-60 psi)
MNA2140A (520REH - 4-7 bar, 60-100 psi)
Rotor assembly complete with
pumping rollers, follower rollers
and tube guide rollers
6
MNA2006A (520R, 520R2)
MN2002M (520R, 520R2)
MN2131M (520RE)
Bottom (LH) tube clamp
Tube clamp location plug
Drain plug
7
MNA2005A (520R, 520R2)
MN2002M (520R, 520R2)
Top (RH) tube clamp
Tube clamp location plug
8
MN2034B
MN2005M
Guard latch spring
Guard latch spring cartridge
9
MNA2147A (520RE)
Pumphead guard complete with
seal and tool-unlockable latch
10
MNA2144A (520RE)
Track assembly for cased
pumps
11
MN2023T and MN2003T (520RE)
Drain port and nut
520R/520R2
520REL/520REM/520REH