8.2.2. Storage
The valves should be stored in a closed area under the following conditions:
- temperature between 15ºC y 30ºC,
- air humidity < 60%
Storage of the equipment in the open air is NOT allowed.
8.2.3. Spare parts
To request spare parts is necessary to indicate the type of valve, the size, the fabrication number,
the position and the description of the part which can be found in chapter
9. Technical Specifications
.
8.3. CLEANING
The use of aggressive cleaning products such as caustic soda and nitric acid may burn
the skin.
Wear rubber gloves during all cleaning procedures.
Always wear protective goggles.
ATTENTION
Check the concentration of the cleaning solutions. An incorrect concentrations may lead
to the deterioration of the valve seals.
To remove any traces of cleaning products, ALWAYS perform a final rinse with clean water at the end
of the cleaning process.
Clean the entire interior and exterior of the valve before starting disassembly and assem-
bly tasks.
If the valve is installed in a system with a CIP process its disassembly will not be required. EPDM is
the standard seal material that will be used for CIP cleaning, both in alkaline mediums and in acid
mediums. The materials of the seal HNBR and FPM are not recommended.
Two types of solutions can be used for CIP processes:
a. alkaline solution
: 1% by weight of caustic soda (NaOH) a 70ºC (150ºF). To make this solution:
1 kg NaOH + 100 l H
2
O
1
= cleaning solution
2,2 l NaOH al 33% + 100 l H
2
O = cleaning solution
b. acid solution
: 0,5% by weight of nitric acid (HNO
3
) a 70ºC (150ºF). To make this solution:
0,7 l HNO
3
al 53% + 100 l H
2
O = cleaning solution
1)
only use chlorine-free water to mix with the cleaning agents
8.3.1. CIP (clean-in-place) cleaning
ATTENTION
Do NOT start the equipment during the sterilization with steam.
The parts and the materials will not be damaged if the indications specified in this manual
are observed.
No cold fluid can enter the equipment until the temperature of the equipment is lower
than 60°C (140°F).
Sterilization with steam is applied to all equipment including the pigging.
8.3.2. Automatic SIP (sterilization-in-place)
Maintenance
INOXPA S.A.U.
10.260.30.01EN · (A) 2022/09
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