Motorization And Transmission Coupling Technical Features - OMAC B Series Operation And Maintenance Manual

1.3.3 Motorization and transmission coupling technical features

The mechanical features of the fl exible transmission coupling and the performance features of the control unit (electrical, pneumatic, hydraulic), accor-
ding to the type of operation chosen by the customer, are shown in the respective use and maintenance manuals; documents that are supplied with the
LDPU.
1.3.4 Rotors clearances
This section lists the nominal clearances (ST standard, SM increased), that are recorded between rotors
and walls of the pumping chamber according to the material (AISI 316 L, anti-friction alloy CY5SnBIM).
The fi gure, on the next page, represents a rotor section, fi tted in the pumping chamber, with indication
of clearances, identifi ed by letters A,B,C,D. The table below shows the entity of these clearances.
The "S" value represents the protrusion of the shaft compared to the wall of the pumping chamber.
ROTORS S.S. AISI 316 L
ST VERSION
A B C
B100 0.12 0.12 0.15
B105 0.12 0.14 0.15
B110 0.14 0.14 0.15
B115 0.14 0.14 0.18
B215 0.15 0.15 0.18
B220 0.15 0.17 0.23
B325 0.17 0.17 0.2
B330 0.17 0.19 0.23
B390 0.17 0.19 0.23
B430 0.18 0.18 0.22
B440 0.18 0.18 0.22
B470 0.2 0.2 0.27
B490 0.23 0.23 0.3
B550 0.22 0.22 0.3
B660 0.27 0.27 0.35
B680 0.3 0.35 0.35
1.3.5 Rotors geometry
The table below shows the types of rotors, per type of construction material and geometric shape, available for every size of "B series lobe pump".
ROTOR TYPE
GEAR S.S. AISI 316 L
GEAR CY5SnBIM
DUAL-WING S.S. AISI 316 L
DUAL-WING CY5SnBIM
TRILOBE S.S.AISI 316 L
TRILOBE CY5SnBIM
RUBBER COATED TRILOBE (*)
BILOBE S.S.AISI 316 L
BILOBE CY5SnBIM
RUBBER COATED BILOBE
(*) Penta-lobe for B100 and B105
6
Chap.1 - pag.
ROTORS S.S. AISI 316 L ROTORS ANTISEIZURE
SM VERSION
D A B C D
0.2 0.15 0.15 0.2 0.2 0.07
0.25 0.17 0.19 0.2 0.3 0.05
0.3 0.19 0.19 0.23 0.3 0.08
0.3 0.19 0.19 0.22 0.3 0.07
0.3 0.22 0.23 0.3 0.3 0.08
0.3 0.25 0.25 0.32 0.3 0.08
0.35 0.25 0.25 0.32 0.35 0.08
0.35 0.27 0.28 0.32 0.35 0.09
0.35 0.27 0.28 0.32 0.35 0.09
0.35 0.27 0.27 0.32 0.35 0.09
0.35 0.27 0.27 0.32 0.35 0.1
0.35 0.32 0.32 0.35 0.35 0.09
0.35 0.35 0.35 0.35 0.45 0.09
0.4 0.32 0.32 0.43 0.4 0.15
0.5 0.37 0.37 0.5 0.5
0.5 0.37 0.37 0.5 0.5
Dimensions expressed in mm - Tolerances 0/+0.03
B100 B105 B110 B115
Via Giovanni Falcone, 8 42048 Rubiera (RE) - Italy
E-mail:info@omacpompe.com SitoWeb:www.omacpompe.com
SHAFT
CY5SnBIM PROTRUSION
A B C D S
0.08 0.19 0.15 0.12
0.05 0.13 0.15 0.12
0.07 0.15 0.2 0.14
0.08 0.2 0.2 0.14
0.07 0.18 0.2 0.15
0.07 0.2 0.2 0.15
0.08 0.2 0.2 0.17
0.08 0.23 0.2 0.17
0.08 0.23 0.2 0.17
0.08 0.23 0.2 0.18
0.1 0.25 0.2 0.18
0.09 0.25 0.2 0.2
0.09 0.25 0.2 0.23
0.15 0.35 0.25 0.22
- - - - 0.27
- - - - 0.27
B SERIES MODEL PUMP
B215 B220 B325 B330 B390
O.M.A.C. s.r.l.
Tel.0522/629371 - 629923 Fax 0522/628980
Rev.4 del 01/2011 O.M.A.C. s.r.l.
B430 B440 B470 B490 B550 B660 B680