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17.4 Material specifications
Design
Dosing
head
Suction/
pressure
connector
Ball seat
Seals
Balls
PPE
Polypro‐
pylene
Polypro‐
pylene
EPDM
EPDM
Ceramic
PPB
Polypro‐
pylene
Polypro‐
pylene
FKM
FKM
Ceramic
PPT
Polypro‐
pylene
Polypro‐
pylene
PVDF
PTFE
Ceramic
NPE
Clear
acrylic
PVC
EPDM
EPDM
Ceramic
NPB
Clear
acrylic
PVC
FKM
FKM
Ceramic
NPT
Clear
acrylic
PVC
PVDF
PTFE
Ceramic
PVT
PVDF
PVDF
PVDF
PTFE
Ceramic
TTT
PTFE
with
carbon
PTFE
with
carbon
Ceramic
PTFE
Ceramic
SST
Stainless
steel
1.4404
Stainless
steel
1.4404
Ceramic
PTFE
Ceramic
Self-bleeding design only in material versions PP and NP with a valve
spring made of Hastelloy C and a PVDF valve insert.
Diaphragm: with PTFE coating.
FKM = fluorine rubber
Housing parts: polyphenylene ether (PPE with fibreglass)
17.5 Electrical Data
Parameter
M70
M85
Nominal power**, approx.
25 W
30 W
Current I eff
0.24 … 0.13 A 0.3 … 0.17 A
Peak current
3.5 … 1.3 A
3.7 … 1.5 A
Switch on peak current (for 3 ...5 ms)
20 A
20 A
Fuse*
2.5 AT
2.5 AT
** with relay closed: The nominal power rises by 1 W.
* Fuses must have VDE, UL and CSA certification. e.g. type 19195 manu‐
factured by Wickmann in compliance with IEC Publ. 127 - 2/3
Standard liquid ends
Pump
Design: 100 - 230 V ±10 %, 50/60 Hz,
gamma/ X GMXa
Technical Data
80