GEA Bock F - Manual (Page 6)

6
D
GB
F
E
09702-09.2013-DGbF
2 | Product description
Open type compressors for external drive (V-belt or coupling)
with oil pump lubrication
2.1 Short description
Dimension and connection values can be found in Chapter 10
Based on the F compressor series, a specially modified selection of compressors is
available for use with the refrigerant R 717.
Important differences from the basic compressor F:
Pistons with three-ring assembly
Con-rod with additional oil supply oil to the small end
Valve plate with optimised pressure unit
Shut-off valve with steel connector for welded joints
All connections are designed as compression joints for steel pipes
F14 NH
3
and F16 NH
3
with increased oil volume due to the higher base plate
Special oil filling for NH
3
: Fuchs Reniso KC 68
Short description NH
3
F2, F3
F2
Suction
shut-off valve
Cylinder cover
Valve plate
Shaft seal
Shaft end
Compressor housing
Base plate
Discharge shut-off valve
Fig. 1
Oil sightglass