Levitronix BPS-4000 - Engineering Information; Sealing and Material Concepts

User Manual for BPS-4000
www.levitronix.com
PL-4016-00, Rev11, DCO# 18-057
13
3 Engineering Information
3.1 Sealing and Material Concept
Figure 14: Sealing and material concept of LPP-4000.5/7 pump head
System
Component
Item
Materials
No
Description
Pump-Head
LPP-4000.5/7
1
Pump housing (lid and bottom)
PTFE
2
ANSI flange rings 1.5” Inlet / 1” outlet
PFA coated stainless steel
3
Pump adapter and fixation ring
PP (+ GF 30%)
4
Radial support ring
Stainless steel with PTFE coating (Not used with LPP-4000.1/2)
5
Axial support ring
Stainless steel with PTFE coating (Not used with LPP-4000.1/2)
6
Static sealing O-ring of pump housing
Kalrez
®
7
8 screws for pump housing mounting
Stainless steel screws with washers (indented double slices).
Protective covers in FPM.
(PVDF screws without washers and covers for LPP-4000.1/2 pump head)
8a
8b
Impeller LPI-4000
Rotor magnet
ECTFE for LPP-4000.5 and PFA for LPP-4000.7
Rare-earth material
9
8 screws for pump/motor mounting
PTFE coated stainless steel screws
Motor
LPM-4000.2
10
Flat gasket for motor housing
FPM (= FKM)
11
Cable bushing
PVDF, cable jacket is FEP
12
Motor housing
ETFE coating, waterproof (IP67)
Coils and electromagnetic circuit potted with an epoxy
compound (UL94 V0).
Table 7: Materials used in the LPM-4000.2 motor and LPP-4000.5/7 pump head
(For other configurations refer to according drawings and specifications)
7
6
5
1
4
9
11
12
1
3
2
8
10