16.4 Material specifications
Design
Dosing
head
Suction/
pressure
connector
Seals
Valve balls
PPE
Polypropy‐
lene
Polypropy‐
lene
EPDM
Ceramic
PPB
Polypropy‐
lene
Polypropy‐
lene
FPM
Ceramic
PPT
Polypropy‐
lene
PVDF
PTFE
Ceramic
NPE
Clear
acrylic
PVC
EPDM
Ceramic
NPB
Clear
acrylic
PVC
FPM
Ceramic
NPT
Clear
acrylic
PVDF
PTFE
Ceramic
PVT
PVDF
PVDF
PTFE
Ceramic
TTT
PTFE with
carbon
PTFE with
carbon
PTFE
Ceramic
SST
Stainless
steel
1.4401
Stainless
steel
1.4571
PTFE
Ceramic
Only the self-bleeding design in material versions PPE, PPB, NPE
and NPB with a valve spring made of Hastelloy C, PVDF valve
insert. Diaphragm with a PTFE coating.
FPM = fluorine rubber.
All wetted materials in the design with FDA-certified seals comply
with the following FDA guidelines:
Material
Guideline
PTFE
21CFR177.1510
PVDF
21CFR177.2510
PP
21CFR177.1520
EPDM/FKM
21CFR177.2600
Housing parts: polyphenylene ether (PPE with fibreglass)
16.5 Electrical data
Data
Value Unit
Nominal power, approx.
6.4 ... 16.5 W
Current I eff
0.65 ... 0.1 A
Peak current
4.2 ...1.3 A
Switch on peak current, (within
approx. 50 ms falling)
15 A
Standard liquid ends
Pump
Version: 100 - 230 V ±10 %, 50/60
Hz, Beta b BT4b
Technical data
59