Tab. 5: with DN 32 / DN 40 plate valves**
Material ver‐
sion
Liquid end
Suction/pres‐
sure connector
Seals
Valve plates/valve
springs
Valve seat
PPT
Polypropylene
Polypropylene
PTFE
Ceramic / Hast. C
+ CTFE**
PTFE
PCT
PVC
PVC
PTFE
Ceramic / Hast. C
+ CTFE**
PTFE
TTT
PTFE with
carbon
PTFE with
carbon
PTFE
Ceramic / Hast. C
+ CTFE**
PTFE
SST
Stainless steel
1.4571/1.4404
Stainless steel
1.4571/1.4404
PTFE
Ceramic / Hast. C
+ CTFE**
PTFE
HCT
Hastelloy C4
Hastelloy C4
PTFE
Hast. C
PTFE
** The valve spring is coated with CTFE (similar to PTFE)
13.5 Ambient conditions
13.5.1 Temperatures
Data
Value Unit
Storage and transport temperature:
-10 ... +50 °C
Data
Value Unit
ATEX ambient temperature during
operation:
-10 ... +40 °C
Ambient temperature during opera‐
tion:
-10 ... +45 °C
Data
Value Unit
Max. temperature long-term at max.
operating pressure
45 °C
Max. temperature for 15 min at max. 2
bar
60 °C
Minimum temperature
-10 °C
Data
Value Unit
Max. temperature, long-term at max.
operating pressure
50 °C
Max. temperature, for 15 min at max.
2 bar
100 °C
Minimum temperature
-10 °C
Data
Value Unit
Max. temperature, long-term at max.
operating pressure
50 °C
Pump, fully assembled
Power end and motor
PC liquid end
PP liquid end
TT - ATEX liquid end
Technical data
76
