SPXFLOW CombiFlexBloc Series, Инструкция по эксплуатации, Страница: 15 / 79

CFB/EN (1808) 2.4
General 13
CombiFlexBloc
2 General
2.1 Pump description
The CombiFlexBloc is a range of vertical non-self-priming centrifugal pumps. The
discharge and suction connection can be mounted in different positions in relation to
each other. The pump is driven by e vertical flange motor with extended motor shaft.
There is also a version with a IEC-standard flange motor and a stub shaft. The pump and
the electric motor are assembled as a compact unit by means of a lantern piece. The
impeller is mounted directly to the motor shaft/stub shaft. Because of their modular lay-
out, constructional components are widely interchangeable, also with other pump types
of the Combi system.
2.2 Type code
Pumps are available in various designs. The main characteristics of the pump are shown
in the type code.
Example: CFB 40-200 G1 M1 K1
Pump family
CFB C ombi F lex B loc
Pump size
40-200 diameter discharge connection [mm] - nominal impeller diameter [mm]
Pump casing material
G cast iron
B bronze
Impeller material
1 cast iron
2 bronze
3 aluminium bronze
Shaft sealing
S2 stuffing box packing, with shaft sleeve
S3 stuffing box packing, with shaft sleeve and lantern ring
S4 stuffing box packing, with shaft sleeve and cooling jacket
M0 mechanical seal, unbalanced, stub shaft
M1 mechanical seal, unbalanced
M2 mechanical seal, unbalanced, shaft sleeve
M3 mechanical seal, balanced, shaft sleeve
Foot pads
K1 profiled steel elements
K3 tubular construction with opening for suction bend