Levitronix BPS-2000.2 - Engineering Information; Sealing and Material Concept

User Manual for BPS-2000
www.levitronix.com
PL-4021-00, Rev02, DCO# 15-235
14
3 Engineering Information
3.1 Sealing and Material Concept
Figure 15: Sealing and material concept for “High Flow” system
(LPM-2000.2 with pump head LPP-2000.6)
System
Component
Item
Materials
No
Description
Pump-Head
LPP-2000.6
1
Pump casing (lid and bottom, 1” tube fitting)
PFA
2
Reinforcing pump housing (lid and bottom)
PP (+ GF 30%)
3
Static sealing O-ring of pump housing
Perfluorelastomer Kalrez
®
4
8x M8x40mm screws for pump casing
PTFE coated stainless steel
5
Impeller LPI-2000.2
PFA
6
Rotor magnet
Rare-earth material
7
4x M8x30mm screws for pump/motor mounting
PTFE coated stainless steel
Motor
LPM-2000.2
8
Flat gasket for motor housing sealing
FPM (= FKM)
9
Cable bushing
PVDF, cable jacket is FEP
10
Motor housing
ETFE coating, waterproof (IP-67)
Coils and electromagnetic circuit potted
with an epoxy compound (UL94 V0).
Table 7: Materials used in the LPM-2000.2 motor and LPP-2000.6 pump head
1
3
2
4
5
6
8
9
10
7