Wetted Materials; Ambient Conditions; Ambient Temperatures; Media Temperatures - ProMinent Sigma 3 Basic Operating Instructions Manual

Technical data
15.3

Wetted materials

Tab. 5: DN 25 ball valves
Material version Liquid end, suc‐
tion/pressure con‐
nector
PVT PVDF
TTT PTFE + 25%
carbon
SST Stainless steel
1.4581
Tab. 6: DN 32 plate valves
Material version Liquid end, suc‐
tion/pressure con‐
nector
PPT PP
PCT PVC
PVT PVDF
TTT PTFE + 25%
carbon
SST Stainless steel
1.4404, 1.4581
15.4

Ambient conditions

15.4.1

Ambient temperatures

Pump, compl.
15.4.2

Media temperatures

PP liquid end
70
Seals* Valve balls
PTFE Glass
PVDF Ceramic
PTFE Stainless steel
1.4401
Seals* Valve plates /
valve springs
PTFE Ceramic / hast. C
+ CTFE**
PTFE Ceramic / hast. C
+ CTFE**
PTFE Ceramic / hast. C
+ CTFE**
PVDF Ceramic
1.4404 / Hast. C + CTFE**
PTFE Stainless steel
1.4404 / Hast. C
* Diaphragm is PTFE-coated
** The valve spring is coated with CTFE (resistance similar to PTFE)
Data
Storage and transport temperature
Ambient temperature in operation (drive +
motor):
Data
Max. temperature, long-term at max. oper‐
ating pressure
Max. temperature, for 15 min at max. 2 bar
Minimum temperature
Valve seats Integral relief
valve
PTFE PVDF / FPM or
EPDM
PTFE PVDF / FPM or
EPDM
PTFE Stainless steel /
FPM or EPDM
Valve seats Integral relief
valve
PTFE PVDF / FPM or
EPDM
PTFE PVDF / FPM or
EPDM
PTFE PVDF / FPM or
EPDM
PTFE PVDF / FPM or
EPDM
PTFE Stainless steel /
FPM or EPDM
Value Unit
-10 ... +50 °C
-10 ... +45 °C
Value Unit
50 °C
100 °C
-10 °C