Watson-Marlow SPS - Manual (Page 66)

MasoSine SPS sinusoidal pumps User Manual 66
22.3.2 Assembling the SPS 200
Pumps with a single mechanical seal: fitting the static face and the
seal
l Check that the seal housing O-ring is properly positioned in its groove in the
pump housing (arrowed in bottom left picture), and that the two O-rings either
side of the mechanical seal are properly positioned (arrowed above).
The mechanical seal The static face
l Push the mechanical seal into the pump housing.
Note: The mechanical seal is a tight push fit.
l Position the static face in the mechanical seal. The static face has two recesses
(arrowed) which must be correctly aligned with lugs (arrowed) either side of its
seat.
During assembly, check that all O-rings are properly positioned before fitting each
component, and that all components are clean and lubricated.
SPS 200 pumps
with a single
mechanical seal
Note: The pictures show a pump with a cast iron power frame. Assembly of
models with stainless steel power frame is similar. For exceptions, see page 69.