19.2.1.1 Materials of construction - Pumphead: Fluid path
The combined check in step 5 in the procedure above, may be verified using the Watson-Marlow chemical
compatibility guide and the individual items in the table below
Pumphead
Tube or fluid contacting element Pumphead ports Fluid connection seals
ReNu 20 SEBS
SEBS
PVDF
SEBS
ReNu 20 PU
TPU
PVDF
TPU
ReNu 30 Santoprene Santoprene
PP
FKM (fitted), EPDM also provided
ReNu 30 SEBS
SEBS
PP
FKM (fitted), EPDM also provided
ReNu 60 Santoprene Santoprene
PP
Santoprene
ReNu 60 SEBS
SEBS
PVDF
SEBS
ReNu 60 PU
TPU
PVDF
TPU
ReNu 120 Santoprene Santoprene
PP
Santoprene
CWT 30 EPDM
EPDM and PEEK
PP
Santoprene
NOTE58
Qdos 20 and qdos 60 ReNu Pumpheads manufactured prior to April 2021 will have been supplied
with Santoprene moulded seals only.
19 CHEMICAL COMPATIBILITY
206