8 Cleaning
EN-IST-BBZS5-0420
8 Cleaning
1. VALVE CLEANING WITH DETERGENTS:
The system in which the valve is installed must be cleaned by expert
personnel in observance of the following:
-
Abide by the indicated detergent concentration values;
-
Observe the instructions provided by the detergent manufacturer.
-
Always wear protective safety glasses and gloves.
IMPORTANT!
-
Accurately dose detergents to avoid excessive concentration;
-
Always rinse thoroughly with clean water after washing.
-
Check compatibility of valve materials.
CAUTION!
Burns hazard. The valves and piping may be very hot. Wear protective
gloves
WARNING
After installing a new or serviced valve, perform an internal washing
cycle before using the piping for food liquids. If it there has been any
welding work, passivation treatment must be carried out.
EXAMPLE OF INTERNAL WASHING CYCLE (CIP)
Phases
Temperature °C
Washing product
Initial rinse
Environment
Chlorine- and chloride-free
water
Washing
70 °C
Caustic soda (NaOH) at 1%
Intermediate rinse
Environment
Chlorine- and chloride-free
water
Washing
70 °C
Nitric acid (HNO3) at 0.5%
End rinse
Environment
Chlorine- and chloride-free
water
Recommended washing product velocity = 2m/s
Risk of
stainless steel
corrosion
Risk of damage
elastomers
15
Summary of Contents for BBZS5
Page 2: ...EN IST BBZS5 0420 MANUAL REVISION DATE 2...
Page 24: ...13 DisassemblyoftheBBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 24 2 50 BBYS5 50 2 2 2 b...
Page 25: ...13 DisassemblyoftheBBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 25 14 28 P T F E 2 14 2 3 3 c 4 c 4...
Page 27: ...13 DisassemblyoftheBBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 27 35 34 11 274 275 10 12...
Page 29: ...13 DisassemblyoftheBBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 29 3 4 23 238 128 2 2 2 14 5...
Page 30: ...13 DisassemblyoftheBBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 30 6 7 9 8 286 120 50 35 34 274 275 10...
Page 32: ...13 DisassemblyoftheBBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 32 19 31 256 20 21 22 209 13 12 4 11...
Page 35: ...14 Assembly of the BBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 35 10 11 9 18 67 18 16 77 207...
Page 36: ...14 AssemblyoftheBBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 36 274 275 10 12 13 14 35 34...
Page 37: ...14 Assembly of the BBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 37 B A 38 BBZS5 44 BBWS51...
Page 40: ...14 AssemblyoftheBBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 40 14 28 P T F E 2 14 2 23 23 c 24 c...
Page 41: ...14 Assembly of the BBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 41 2 50 BBYS5 50 2 25 25 b...
Page 42: ...14 AssemblyoftheBBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 42 26 1...
Page 43: ...14 Assembly of the BBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 43 33 2 27...
Page 45: ...14 Assembly of the BBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 45 4 5 2 286 6...
Page 46: ...14 AssemblyoftheBBZS5 BBYS5 BBWS51 EN IST BBZS5 0420 46 7 33 2...
Page 48: ...16 2D diagram BBZS5 EN IST BBZS5 0420 162D diagram BBZS5 PTFE Execution 48 33...
Page 49: ...17 2D diagram BBYS5 EN IST BBZS5 0420 172D diagram BBYS5 PTFE Execution 49 33...
Page 50: ...18 2D diagram BBWS51 EN IST BBZS5 0420 182D diagram BBWS51 50 43...
Page 53: ...20 Recommendations EN IST BBZS5 0420 NOTES 53...