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User Manual for BPS-4H (High Temp.)
www.levitronix.com
PL-2009-03, Rev04, DCO# 21-101
15
Figure 16: Sealing and material concept of the BSM-4.11 motor with CP-4.34/36 pump heads
System
Component
Item
Materials
No.
Description
Pump Heads
CP-4.34
CP-4.36
Note: pump head
CP-4.36 is without
suction port.
1
Pump casing (lid and bottom)
PTFE
2a
2b
Primary static seal of housing
Back-up sealing gasket of housing
3 pin housing press seal (part of the lid structure)
ePTFE
3a
3b
Axial Support Plate
Radial Support Ring
Stainless steel with PFA coating
Stainless steel with ETFE coating
4a
4b
4c
4d
4e
Pump casing screws: 8
pcs. M8x45 mm
Pump/motor screws:
4 pcs. M8x80 mm
O-ring for pump motor screws:
4 pcs.
Screw protection cup with O-ring:
12 pcs.
Screw protection pipe
Stainless steel (Inox A4) + spring washers (Inox A4)
Stainless steel (Inox A4) + spring washers (Inox A4)
FKM
PE-HD and FKM
PTFE
5
Impeller
IMP-4.7
PTFE
6
Rotor magnet
Rare earth material (Samarium Cobalt)
Motor
BSM-4.11
7
Sealing for motor housing
FPM
8
Cooling circuit fittings
PVDF/PFA
9
Cable bushing
PVDF casing with FPM sealing ring (FEP cable jacket)
10
Motor housing
ETFE coating, IP67
Coils and electromagnetic circuit potted with an epoxy
compound (UL94 V0). Switch box and its electronics
potted with a silicon compound.
11
Protecting cup
PTFE + CF (with carbon fiber)
12
Protection screws
PVDF
Table 8: Materials used in the BSM-4.11 motors and CP-4.34/36 pump head
5
6
7
10
11
2a
2b
4e
1
8
4b
4c
4a
9
12
3b
3a
4d