Option
Option code
Available?
Oil sight glasses, position: left/right
B30
Oil sight glasses, design: flat
B31
Oil sight glasses, design: domed
B32
available: ✓
not available: —
Tab. 3 Option codes
2.3 Weight
The weight of the blower block depends on the materials used.
Weight [kg]
Material
OMEGA
41 B
OMEGA
43 B
Rotors: Spheroidal graph‐
ite iron
(Option B17);
Enclosure: Grey cast iron
(Option B19)
84
115
Rotors: Stainless steel
(Option B18);
Enclosure: Grey cast iron
(Option B19)
86
118
Rotors: Stainless steel
(Option B18);
Enclosure: Ni-Resist
(Option B20)
87
121
Tab. 4 Weight
2.4 Pressure
2.4.1 Option B14
Operating mode: Vacuum
OMEGA
41 B
OMEGA
43 B
Maximum vacuum differ‐
ential [mbar] *
500
500
Maximum compression
ratio **
2.0
2.0
* Differential: Discharge pressure to intake pressure
** Quotient: Discharge pressure (absolute) to intake pressure (absolute)
Tab. 5 Pressure
2
Technical Specifications
2.3
Weight
4
Assembly and operating manual Blower block
OMEGA 4 B
Number: 9_9533 23 E