ERVOR G05 - Anticorrosive Protection; A - Introduction; B - Protection

Page 42
Notice G05 - 3 590 503
Issue: 11/2011 - Rev.A
ERVOR (SCA) - 6, Rue Désiré Granet - Z.I. du Val d'Argent - 95100 ARGENTEUIL FRANCE
 (33) 01 34 11 50 00  (33) 01 34 11 50 10
Web : www.ervor.com - Email : info@ervor.com
15 - ANTICORROSIVE PROTECTION
15 - A - INTRODUCTION
This specification defines the material, the surface treatments and the surface protection
applied on all parts of G05 air compressorS.
- Casing ...........................................................................Cast iron Ft25c
- Oil pipe .........................................................................Aluminium alloy AS12U
- Connecting rod ..............................................................Aluminium AU5GT
- Bearing ..........................................................................Brass BFL6
- Crank shaft ....................................................................Steel 16NC6 carburized & ground
- Balance weight .............................................................Cast iron Ft15c
- Bearing .........................................................................Cast iron Ft25c
- Pistons ..........................................................................Aluminium AU4NT
- Piston spindle ...............................................................Steel 16NC6 carburized & ground
- Rings ............................................................................Grey pig-iron with phosphate coat
- Cylinders.......................................................................Cast iron Ft25c
- Cylinder heads..............................................................Steel XC38
- Valves ...........................................................................Special steel
- Intake pipe ....................................................................Aluminium alloy AU12
- Copper coil between stages .........................................Annealed red copper tube X 610
- Fan ...............................................................................Aluminium alloy AU12
- Protective grill ...............................................................Steel E24
- Snifting valve ................................................................Aluminium alloy AU12
- Compression cap 1st and 2nd stage ............................Cast iron Ft25
- Capacitor ......................................................................Steel A106 GrB
- Screw............................................................................Steel zinc chrome or cad-plate
- Fitting ............................................................................Steel zinc chrome or cad-plate
- Coupling ........................................................................Cast iron
15 - B - PROTECTION
- Degreasing (not shot blasting) of part before painting.
- Glyptal resin lacquer......................................................... Final thickness 40 to 80µ
.......................................................................................(2 coats)
- Standard colour................................................................. Blue RAL 5019