Viscosity; Wetted Materials - ProMinent TZ Operating Instructions Manual

Technical data
15.3

Viscosity

15.4

Wetted materials

with DN 25 ball valve
Material version Liquid end
PPT Polypropylene
PCT PVC
TTT PTFE with carbon
SST Stainless steel
1.4571/1.4404
HCT Hastelloy C4
with DN 32 / DN 40 plate valves**
Material version Liquid end
PPT Polypropylene
PCT PVC
TTT PTFE with carbon
SST Stainless steel
1.4571/1.4404
HCT Hastelloy C4
52
* at maximum stroke length and maximum back pressure
The liquid ends are generally suitable for the following viscosity ranges:
Version
no valve springs
with valve springs
with appropriately laid
out installation
with appropriately laid
out installation and
advice from ProMinent
* Only when the installation is correctly adjusted
Suction/dis‐ Seals
charge connector
PVDF PTFE
PVDF PTFE
PTFE with PTFE
carbon
Stainless steel PTFE
1.4571/1.4404
Hastelloy C4 PTFE
Suction/dis‐ Seals
charge connector
Polypropylene PTFE
PVC PTFE
PTFE with PTFE
carbon
Stainless steel PTFE
1.4571/1.4404
Hastelloy C4 PTFE
Patented, vacuum packed, multi-layer diaphragm.
** The valve spring is coated with CTFE (similar to PTFE)
Range Unit
0 ... 200 mPas
200 ... 500 mPas
500 ... 1000 mPas
> 1000 mPas
Valve balls
Borosilicate glass
Borosilicate glass
Ceramic
Stainless steel
1.4401
Ceramic
Valve plates / valve
spring
Ceramic / Hast. C +
CTFE**
Ceramic / Hast. C +
CTFE**
Ceramic / Hast. C +
CTFE**
Ceramic / Hast. C +
CTFE**
Hast. C
Valve seat
PTFE
PTFE
PTFE
PTFE
PTFE
Valve seat
PTFE
PTFE
PTFE
PTFE
PTFE